Collection of Cs101 Old Papers

8/8/2019 Collection of Cs101 Old Papers

http://slidepdf.com/reader/full/collection-of-cs101-old-papers 1/68



Question No: 1 Marks:10

Write down the code, to take two input numbers from user (As shown in Fig 5.1 and 5.2), compare themand show results, whether they are same or not (As shown in fig 5.3). View the given below Image verycarefully and try to fulfill all requirements given in image.

(Hint: Make web page using Use JavaScript to Compare two numbers)

Fig 5.1

Fig 5.2



Fig 5.3


Describe the following terms?• FTP.• Telnet Protocol.• IP Address.


What are local variables? Compare them with global variables?


Examine the logic of following pseudo code:

initialize x to 10initialize y to 0initialize sum to 0Repeat while (y <= 6){

Add x and y and put results into sumdecrement x by 2increment y by 3

} print sumStopWhat will be the value of the variables “sum, x and y”, each time after the loopis executed?

Question No: 5 Marks: 10

Write down a JavaScript function with the name “ BinConvert( ) ” that takes adecimal number and converts it into its equivalent binary number and displaysthe result in browser. Call that function in the body of the web page.




What is database? Describe Data Integrity?


Web server:

A. Is a software to deliver e-mailB. Is a computer that store and deliver web pagesC. Does not allow electronic chattingD. Does not have a Domain name


Ports are:

A. Input devicesB. Output devicesC. Used to allow I/O devices to communicate with the CPUD. Able to process incoming data


A Hyperlink is a:

A. Connection between two computersB. Connection between two countries on the net

C. Gateway to the next web pageD. Gateway between five continents


Vacuum Tubes are:

A. Smaller then transistorsB. Made up of two or more electrodes in a glass metal tubeC. Used in IBM PCD. Invented by Tim Berners lee


Memory inside a microprocessor is called

A. RAMB. ROMC. CacheD. Pre-fetch buffer



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Instructions

CS101 Introduction to ComputingFinal Term Examination - February 2005

Time Allowed: 150 Minutes

Please read the following instructions carefully before attempting any question:

1. This examination is closed book, closed notes, closed neighbors.2. Answer all questions.

a. There is no choice.b. You will have to answer all questions correctly in this examination to get the

maximum possible marks.3. Do not ask any questions about the contents of this examination from anyone.

a. If you think that there is something wrong with any of the questions, attempt it tothe best of your understanding.

b. If you believe that some essential piece of information is missing, make anappropriate assumption and use it to solve the problem.

4. Examination also consists of multiple-choice questions [MCQs]. Choose or Highlightonly one choice as your answer.a. If you believe that two (or more) of the choices are the correct ones for a

particular question, choose or highlight the best one.b. On the other hand, if you believe that all of the choices provided for a particular

question are the wrong ones, choose or highlight the one that appears to you asbeing the least wrong.

5. All Web development questions should be answered using the HTML/JavaScript syntax.

**WARNING: Please note that Virtual University takes serious note of unfairmeans. Anyone found involved in cheating will get an `F` grade in this course.

Total Marks: 50 TotalQuestions: 14

Question No. 1 Marks : 2

Micro controller

1 Are faster then microprocessor2 Is another name for microprocessor?



3 Are complete computer on a chip4 Cost thousands of dollar per piece


Two major types of software are

1 Application Software , System Software2 Application Software , Database Software3 System Software , Database Software4 Database Software , Embedded Software


How Operating System software does manage a device when a particular application isexecuted? Explain with at least one example?


Word representing the protocol in URL http://www.microsoft.com is

1 www2 Microsoft3 microsoft.com4 http


What do you know about WWW and what are the basic elements of web design?


What do you know about Neural Networks and give any two examples.


Define and explain Greedy Algorithm briefly. You are also required to give key advantage andan example of Greedy Algorithm.


Determine the correct reserved words of JavaScript from the following list and explain thembriefly.

1 document2 read3 alert4 delete5 function6 comment



+


Discuss any three issues/characteristics of Data Management.


Write function using JavaScript. The name of function will be " display( ) ". The " display( ) "function will display the following string as shown below:

3 2X Y

[Hint: Use string methods sub( ) and sup( )]The "display( ) " function should be called at onLoad event.


Consider the following codepitch = "hard"bowler="slow"if ( (pitch == "hard") || (bowler == "fast") )

myStatus = "Bouncer" ;else

myStatus = "Short Pitch" ;

Variable myStatus will contain the value:

1 Bouncer

2 Short Pitch3 Hard4 Slow


What does the following JavaScript code

function changeBgcolor(){

oldColor = window.document.bgColor;window.document.bgColor = "pink";

window. alert("The old color was " + oldColor);}

1 Change the Color of Window document to pink and nothing else2 Change the Color of Window document to pink and display the name of old Color in a

dialogue box3 Change the Color of Window document to Blue and displays name of old color in a

dialogue box4 Create a form in window document




Examine and explain the logic of following pseudo code:

Let the decimal number be an integer x, x > 0Let the binary equivalent be an empty string yRepeat while x > 0{

Determine the quotient & remainder of x ÷ 2y = CONCATENATE( remainder, y )x = quotient

}Print yStop


You are required to develop a web page using HTML and JavaScript. First page should taketwo inputs as maximum and minimum limit as shown in Fig 1.1. The first input must begreater than or equal to 1 and the second input must be less than or equal to 6. Minimumlimit should be less than the Maximum limit. Generate Headings by this minimum andmaximum limit as shown in Fig 1.2. The Headings must be generated when Submit button isclicked.[Example: Min Limit: 3 and Max Limit: 5, So the heading H3, H4 and H5 will be generated.]

Fig: 1.1



Fig: 1.2



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Largest Online Community of VU StudentsFINAL TERM EXAMINATION

SEMESTER FALL 2005

CS101-INTRODCUTION TO COMPUTING [Session-3]

Total Marks:60

Duration: 120 min

StudentID/LoginID

Name

PVC Name/Code

Date 17 - 3 - 2006

Maximum Time Allowed: (2 Hour)


1. This examination is closed book, closed notes, closed neighbors.

2. Answer all questions.

a. There is no choice.b. You will have to answer correctly all questions in this examination to get the maximum

possible marks.

3. Do not ask any questions about the contents of this examination from anyone.

a. If you think that there is something wrong with any of the questions, attempt it to the best of your understanding.

b. If you believe that some essential piece of information is missing, make an appropriateassumption and use it to solve the problem.


**WARNING: Please note that Virtual University takes serious notice of using unfair means.Anyone found involved in cheating will get `F` grade in this course.

For Teachers Use OnlyQuestions Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 Q9 Q9 Total

Marks




Write down the code, to take an input numbers from user (As shown in Fig 5.1), Check it, whether it’s aneven number or odd, and display the results as alert (As shown in fig 5.2). View the given below Imagevery carefully and try to fulfill all requirements given in image.

(Hint: Make web page using Use JavaScript to check whether its an even number or odd)

(Fig 5.1)



(Fig 5.2)


Describe the following terms?• Instant messaging.• VoIP.• Domain Names.

Question No: 3 Marks:6Define function, and its advantages?


Write down Pseudo Code in which there are two variables named as "x", "y" and "z". Multiply these twovariables "x" and "y" with each other. Store result in variable "z". Print the value of "z".


View the following JavaScript Code:<body><html><a ref=”www.yahoo.com”><img = “Hello.gif”><td>

</td>

<tr>First</tr><tr>Second</tr><tr>Third</tr>

</html>Identify the errors



x=1;while (x>6000);

document.write(x)x=x+1

1. Identify the errors2. How many times the while loop will be executed.


Describe Payload and Transmission mechanism of virus?


Which of the following cannot come between the <Body></Body> tag

A. <P>B. <A HERF></A>C. <Title></Title>D. <BR></BR>

Question No: 8 Marks: 2Modem is used:

A. Only to enter data into computerB. For calculating huge numbersC. For communication of data between internet and your computerD. To write information on the world wide web


Search engines:

A. Scan the entire web for the desired informationB. Search the news groups for the required informationC. Make the list of images that are available on the netD. Are built to facilitate the scientists


ARPANET is a:

b) View the following Ja W vaScW ript W Cod .eV :



A. World’s firW st neW tworW k B. Network protocolC. Latest Internet siteD. Internet game


A group of binary digits that a computer manipulate as a unit is called

A. ByteB. WordC. BitD. Hertz



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FINALTERM EXAMINATION

FALL 2006

CS101 - INTRODUCTION TO COMPUTING

Marks: 60

Time: 120min

StudentID/LoginID:

Student Name:

Center Name/Code:

Exam Date:

Please read the following instructions carefully before attempting anyof the questions:

1. Attempt all questions. Marks are written adjacent to each question.

2. Do not ask any questions about the contents of this examinationfrom anyone.

a . If you think that there is something wrong with any of thequestions, attempt it to the best of your understanding.

b . If you believe that some essential piece of information ismissing, make an appropriate assumption and use it to solve theproblem.

c . Write all steps, missing steps may lead to deduction of marks.

3. You can consult your handouts while solving the paper.4. The paper is tool independent.

**WARNING: Please note that Virtual University takes serious note ofunfair means. Anyone found involved in cheating will get an `F` grade

in this course.

For Teacher's use onlyQuestion 1 2 3 4 5 6 7 8 9 10 Total

MarksQuestion 11 12 13 14 15

MarksQuestion

Marks

Question No: 1 ( Marks: 1 ) - Please choose one

What computer hardware is essential for connecting two computers in Local Area Network?



► .doc

► .mdb

► .gif

► .tmp


A hardware device that stores data and programs, executes program instructions, andperforms arithmetic/logic operations is known as the .

► CPU

► Integrated Circuit

► Main Storage

► Memory


The input device that reads printed characters, symbols, or graphical images into thecomputer is the:

► Sensors

► Spee ch recognition

► Mouse.

► Scanner


The component of the central processing unit that holds instructions, stores data and keepsresults during the processing is called the:



► Arithmetic/Logic unit.

► Control unit.

► Main memory.

► Micro processing chip.


The software that is used to write/send/receive an e-mail is called

► Web browser

► Mail Binder

► E-mail Handler

► E-mail Client


A computer virus is a

► Software that saves the computer from being damaged.

► Application software that helps to make different type of viruses and worms

► Program that spreads itself and destroys other program

► Program that corrects the problems in your computer


What does internet service provider mean?

► A software that helps you to connect to internet



Give at least one example for each the following?

1. Word Processor2. Spreadsheet Software3. Presentation software4. Database software

5. Antivirus-software6. Email Program7. Search Engines8. IP Address

Question No: 14 ( Marks: 12 )

What is Network Topology? Discuss advantages and disadvantages of the following networkdesign topologies with the help of diagram.

1- Bus Topology

2- Star Topology


Define the following terms: (Marks: 3*4=12)

a) Firewallb) Artificial Neural Networkc) Animationd) Denial of Service (DoS )



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VU Students


FALL 2007

CS101 - INTRODUCTION TO COMPUTING (Session - 7)

Marks: 45

Time: 150min

StudentID/LoginID:

Student Name:

Center Name/Code:

Exam Date: Monday, March 03, 2008

Please read the following instructions carefully before attempting any of the

questions:



a. If you think that there is something wrong with any of the questions, attempt it to the best

of your understanding.

b. If you believe that some essential piece of information is missing, make an appropriate

assumption and use it to solve the problem.

3. Write all steps, missing steps may lead to deduction of marks.

4. Choose the most appropriate choice (among the given) while answering the MCQs.

5. Use of cell phone during the examination is strictly prohibited; otherwise strict disciplinary

action will be taken as per university rules.

**WARNING: Please note that Virtual University takes serious note of unfair means. Anyone

found involved in cheating will get an `F` grade in this course.


Marks


FTP stands for



► File transmission protocol

► File transmission path

► File transfer protocol

► Fine Transfer path


What will be the result of a?

a = Math. abs(-23)

► 23

► -23

► 23.0

► 2.3


A function is also called

► Sub-program

► Procedure

► Sub-routine

► All of the these


URL is a/an .

► Device

► Component

► Address



► Tool


Command that allows you to remove mistakes

► Copy

► Delete

► Cut

► Undo


What is the impact of web on our Society and Business?(4.5 + 4.5)


What are the Key Characteristics of Internet? Write any five of them.(2+2+2+2+2)


Can a human doctor be replaced by an Expert System? Give reasons to support your answer. (2+6)


What is function of Goal Seek command in Excel? How to use it?(3+3)


What is function ? Explain it with an example. (2+5)



Question No. 1 Marks : 02is the protocol used for file transfer.

o wwwo smtpo ftpo http


What is difference between SMTP and POP?


is the correct JavaScript syntax.

o while{a<=b}o while{a<=b};o while(a<=b);o while(a<=b)


You are required to develop a web page using HTML and JavaScript. Pageshould have 4 buttons. Three buttons have different color(Red,Green,Blue).Fourth button is used as "Refresh" button. Finally the page should berepresented as given in Fig.Develop a function in JavaScript that changes the color of the back groundaccording to the button clicked. "Refresh" buttons is use to reset the colorof page.Hint: Refresh button is used to set the background color of the pageto white.[Example: When Green button is clicked the back ground color will be set to

"Green" and so on.]




Examine and write down the value printed after execution of followingstatements.

1. document.write( 2 + Math.PI ) ; (Math.PI=3.141)2. document.write( "2" + "3" ) ;

3. document.write( "2" + Math.PI ) ;

4. document.write( "Yes" + false ) ;

5. document.write( 2 + 3 ) ;


Applications talk to devices through the OS and OS talks to and managesdevices through_ .

o Application Interfaceo File Systemo Device Drivero Kernel




How Data Security can be improved in Database Management System?


is readily understood by microprocessors and thislanguage is very difficult to write in for human programmers.

o Low Level Languageo Machine Languageo High Level Languageo Assembly Language


a) Write an Inline JavaScript code that prompts the message "Welcometo VU" when button is clicked.

b) Convert the binary number 1110011 into decimal number System.Mention each step.


Examine the syntax carefully and determine the output:name = "virtual university" ;

document.write( name.toUpperCase( ) ) ;

o virtual university

o Virtual Universityo Virtual universityo VIRTUAL UNIVERSITY]


Define AI (Artificial Intelligence) in one line. Name sub categories of AI.



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SPRING 2006CS101 - INTRODUCTION TO COMPUTING (Session - 3

)

Marks: 50Time: 120min

StudentID/LoginID:

Student Name:

Center Name/Code:

Exam Date: Saturday, August 05, 2006






c . Write all steps, missing steps may lead to deduction of marks.3. The paper is tool independent.

**WARNING: Please note that Virtual University takes serious note of

unfair means. Anyone found involved in cheating will get an `F` gradein this course.

For Teacher's use onlyQuestion 1 2 3 4 5 6 7 8 9 Total

Marks


Whichstatement is wrong for naming an identifier?



► Identifiers are names used by JavaScript to refer to variables, objects, properties,methods, and functions.

► An identifier must begin with an alphabetical character (a-z or A-Z), underscore“_” character or $ character.

► Subsequent characters can be an alphabetical (a-z or A-B) or numeric character(0-9) or an underscore


Which of the following words can’t be used for naming an identifier in JavaScript?

► struct

► plugin

► parent

► package


Data Management comes up with different issues except one:

► Data entry

► Data updates

► Data integrity

► Data security

► Data presentation




Choose correct statement.

► The value of a variable can not be changed during execution of the script.

► In JavaScript a variable’s type is defined before usage.

► The untyped feature makes JavaScript simpler to program in when developing shortprograms.

► The untyped feature makes JavaScript simpler to program in when developing bigprograms.


What kind of operations take place inside Microprocessors Building Blocks? Enlist them with brief description.


Is there any way to call multiple functions with a single event in JavaScript? Give an example.


a) Differentiate between SMTP and POP3 server. (3 marks)

b) How can you justify that a DBMS is better to use than Flat-file database? (5 marks)


What will be the output of this programme? Write comments where you find “//” symbol in thefollowing code.

<html><head><script language="JavaScript">function doSo mething() { // 1

setTimeout('doSomething()',10000); // 2}</script></head>

<body onLoad="doSomething()"> // 3document.write(“Virtual University of Pakistan”);

</body>



</html>


a) How Trojan Horses and Worms affect a computer system? What guidelines should be adoptedto troubleshoot with malicious softwares? (6 marks)

b) Which part of a virus consists of malicious computer instructions? (2 marks)




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FINALTERM EXAMINATIONSPRING 2007


Marks: 60

Time: 150min

StudentID/LoginID:

Student Name:

Center Name/Code:

Exam Date: Wednesday, July 11, 2007

Please read the following instructions carefully before attempting any of thequestions:


2. Do not ask any questions about the contents of this examination from

anyone. a. If you think that there is something wrong with any of the questions,attempt it to the best of your understanding.

b. If you believe that some essential piece of information is missing, makean appropriate assumption and use it to solve the problem.

c. Write all steps, missing steps may lead to deduction of marks.

d. Cutting and over-writing is not allowed in MCQs.

3. Use of cell phone during the examination is strictly prohibited, otherwise strictdisciplinary action will be taken as per university rules.



MarksQuestion 11 12 13 14 15Marks



QuestionMarks


In Spreadsheets, you can create a relationship between two cells by using .

► Numbers

► Text

► Formulas

► None of given option


An algorithm that always takes the best immediate or local solution while finding an answer iscalled .

► Deterministic Algorithm

► Non deterministic Algorithm

► Greedy Algorithm

► Randomized Algorithm


Which of the following command allows you to recover form mistakes in MS Word?

► Clear

► Edit

► Undo

► Break




A operating system allows many users to take advantage of the computer'sresources, simultaneously

► Single user

► Multi- user

► Single tasking

► Multi tasking


Network Interface Card is an device

► Input

► Output

► Input/Output

► Storage


The decimal equivalent of binary 1000 is

► 7

► 8

► 9

► 10


Which of the following is NOT RDBMS software?



► MySql

► MS Excel

► Oracle

► SQL Server


A computer virus is a

► Software that saves the computer from being damaged.

► Application software that helps to make different type of viruses and worms

► Program that spreads itself and destroys other program

► Program that corrects the problems in your computer


What will be the result of a?a = Math.abs(-23)

► 23

► -23

► 23.0

► 2.3


A Special program required to view swf (Shockwave Flash) files in web Browser is called

► TFlash

► Vflash

► plug-in

► None of the given options




Column 1 Column 2 Column 3

1. MainframeComputers

2. Mosaic3. Operating System4. Router5. Spread Sheet6. Mobile Computer7. Intel 40048. CyberCrime

A. Network Trafficcontroller

B. LaptopC. Micro ProcessorD. Software PiracyE. Windows XPF. Enterprise ServersG. VisiCalcH. Web Browser

Match the relevant options from the given two columns and write the correct options inColumn 3.


(a) What is the difference between Wisdom and Heuristic?

(b) Differentiate between Cyber crime and Cyber warfare.

(c) What is a Relational Database? Give the names of any three RDBMS softwares?


What do you know about the following ? Describe briefly.

a) Enterprise Resource Planning (ERP) Software

b) Spread Sheet

c) Network Topology

d) SMTP


(a) What is the difference between High level and Low level programming languages?(Marks: 4)



(b)Whatare the following abbreviations stands for(Marks: 3)

1- VoIP

2- DNS

3- DOS

(c) Name three operations that you can perform on a database(Marks: 3)


a) Develop a Web page that prompts the user to enter a name and then print that name fivetimes by using loop. A sample is shown in the figures below.

(Marks: 6)



b) Write down the JavaScript function that is equivalent to the following HTML code?(Marks: 3)

HTML code JavaScript function<FONT size=18>…</FONT>

<FONT color= ”blue” >…</FONT><PRE> … </PRE>

(c) Suggest any three guidelines to make a website more readable?(Marks: 3)




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CS101 Introduction to ComputingMid Term Examination - November 2004

Time Allowed: 90 Minutes

InstructionsPlease read the following instructions carefully before attempting any question:

1. This examination is closed book, closed notes, closed neighbors.2. Answer all questions.

a. There is no choice.b. You will have to answer correctly all questions in this examination to get the

maximum possible marks.3. Do not ask any questions about the contents of this examination from anyone.




**WARNING: Please note that Virtual University takes serious notice of usingunfair means. Anyone found involved in cheating will get `F` grade in this course.

Total Marks: 45 Total Questions: 12


WYSIWYG is:

1 Software2 The abbreviation of "what you see is what you get"3 A Network company in Japan4 The abbreviation of "word you see is what you get"


What do you know about structured design methodology?




BASIC stands for:1 Basic American Standard Information Code2 Beginners All purpose Symbolic Instruction Code3 Brother and Sisters In Christ4 British American Scientific International Commercial


Write down code for drop down list having options Cricket, Hockey and Soccer.


What are the basic steps to write pseudo code? Write any four.


Microprocessor are made up of semiconductor material called1 Aluminum2 Copper3 Silicon dioxide4 Silicon


a) Make truth table for the following Boolean expression z=(x XOR y).y'b) Convert 1011 binary number to equivalent decimal number. Show each step ofConversion.


What do you know about Mobile Computers? Explain Briefly.


World's first program was written by

1 Charles Babbage2 Alfred Tennyson3 Ada Lovelace4 Bernoulli




What is difference between Literals, Identifiers and Variables in JavaScript? Give at least oneexample of each.


a) Take a look at the image of the browser screen s hown below. Write down the HTML codethat will produce this screen. View the given below Image very carefully and try to fulfillall requirements given in image.

b) Write down a function in JavaScript that compares two inputs taken from HTML Form shown above and as a result display any one of the following message:

"First number is greater than the second " OR " Second number is greater than the first ".




Batch programs do not

1 Print or store the results2 Get input data3 Execute programs without the interference of user4 Provide event handling



StudentID/LoginID

Name

PVC Name/Code

Date 16 - 1 - 2006

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MID TERM EXAMINATION

SEMESTER FALL 2005CS101-INTRODCUTION TO COMPUTING [Session-3]

Total Marks:50

Duration: 60 min

Maximum Time Allowed: (1 Hour)


1. This examination is closed book, closed notes, closed neighbors.

2. Answer all questions.

a. There is no choice.

b. You will have to answer correctly all questions in this examination to get the maximumpossible marks.


a. If you think that there is something wrong with any of the questions, attempt it to the best of your understanding.

b. If you believe that some essential piece of information is missing, make an appropriateassumption and use it to solve the problem.


**WARNING: Please note that Virtual University takes serious notice of using unfair means.Anyone found involved in cheating will get `F` grade in this course.




You are required to develop a web page using HTML and JavaScript. The first page contains a button asshown in fig1.1. When the button is clicked an input prompt is opened as shown in fig 1.2. By using javascript show either the input value is a binary number or not as shown in fig 1.3.

Fig 1.1

Fig 1.2

Fig 1.3


(a). (5 marks) x, y and z are Boolean variables. Determine the truth tables for the following combinations:• ( y + x) . z



(b). (5 marks) Convert the following binary number into decimal number.• 111011 (2)


(a) What is High Level and Low Level Programming?

(b) Difference between Assembly languages and Machine languages?


− What is software development life cycle? Write down the names of different phases of systemdevelopment life cycle?


A program that translates the source code written in a High Level Language in one go, is called.

1. Compiler2. Interpreter3. Device Driver4. None of above.


A special type gateway that can keep external users from accessing resources on the LAN while letting

LAN users access the external info is called

1. Repeater2. Firewall3. Encryption4. Hub


What does the following JavaScript code

function changeBgcolor() {oldColor = window.document.bgColor;window.document.bgColor = “pink”;window. alert("The old color was " + oldColor);

}

1. Change the Color of Window document to pink and nothing else2. Change the Color of Window document to pink and display the name of old Color in a dialogue box3. Change the Color of Window document to Blue and displays name of old color in a dialogue box4. Create a form in window document




can also be improved through Encryption.

1. Data Integrity2. Data Accessibility3. Data Security4. Data Entry


The collection of 4 bits is called .

1. Nibble2. Byte3. Word4. Double-Word





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MIDTERM EXAMINATION

FALL 2006

CS101 - INTRODUCTION TO COMPUTING

Marks: 40

Time: 60min

StudentID/LoginID:

Student Name:

Center Name/Code:

Exam Date:

Please read the following instructions carefully before attempting any of thequestions:


2. Do not ask any questions about the contents of this examination fromanyone.

a. If you think that there is something wrong with any of the questions,attempt it to the best of your understanding.

b. If you believe that some essential piece of information is missing, makean appropriate assumption and use it to solve the problem.

c. Write all steps, missing steps may lead to deduction of marks.



Marks


Computeruses the scanner to input




► Voice.

► Images.

► Voice and text.

► None of these


Software is

► Something that can be touched

► Something that cannot be touched

► Something used only as an output device

► Something used only as an input device


What is internet?

► A global network of networks

► A Software used to connect to some network

► A group of users

► Any network of more than two computers


Which of the following is a type of system software?

► Devicedriver

► Word processor

► Write once read -only- memory



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HTTP is the abbreviation for:

► Hyper text transfer protocol

► Hyper text terminal protocol

► Hyper text transmit protocol

► Hyper terminal text protocol


Which of the following is called the brain of computer?

► Motherboard

► Slots

► Processor

► Power supply


a) Convert the following numbers from decimal numbers into binary numbers:(Marks: 6)

1. 24Answer =

2. 55Answer =

3. 84Answer =

b) X, Y is Boolean variables. Determine the truth tables for the following combinations:

(X . Y)’(Marks: 6)




WWW.vujannat.ning.COM a) What is the difference between Desktop Computer and Super Computer? Give at leastthree differences (Marks: 6 )

b) Write an Algorithm to compute the final price of the item. It will ask two inputs from the

user i.e. Price of item and the sales tax rate. You have to calculate the final price of the item.The formulas for calculating the sales tax and final price are as follows:Sales tax = (price of item) * (sales tax rate)Final price = (price of item) + (sales tax)

(Marks: 6 )


Write the HTML code that will generate the similar page as shown below. You have to putthe form elements with in the table.




► create ordered list

► create unordered list


Browser is a used for browsing.

► Component

► Tool

► None of these

► Device


------------ is volatile memory

► RAM

► ROM

► Hard Disk

► CD ROM


Usingonly Html we can create

► Dynamic web pages

► Static web pages

► Both Static and Dynamic pages

► None of these


Command that allows you to recover form mistakes is



► Clear

► Edit

► Undo

► Break


What makes System Software different from Application software? Explain the attributes of good application software. Please write down the concise and to the point answer.(4+4)


Draw the OS components diagram? What are the main responsibilities that Kernel plays inOperating system? Please write down in 6-7 lines max.(3 + 4)


How you can enhance the capability of a micro processor? Write down the answer inmaximum 5-6 lines


Create the following page using html and javascript as shown in the image below. If someonepress “Ok” (submit) button without entering “age”, it should show a message “Please enteryour age”.

Options in drop down menu are1) Chocolate2) Vanilla3) Cherry Garcia4) Pizza Pancake5) None of the above!



vujannat.ning.COMConnecting VU Students

MIDTERM E AMINATION

FALL 2007

CS101 - INTRODUCTION TO COMPUTING (Session - 1 )

Marks: 35

Time: 120min

StudentID/LoginID:

Student Name:

Center Name/Code:

Exam Date: Monday, November 19, 2007

Please read the following instructions carefully before attempting any of the questions:



a. If you think that there is something wrong with any of the questions, attempt it to the best of your

understanding.

b. If you believe that some essential piece of information is missing, make an appropriate

assumption and use it to solve the problem.

3. Write all steps, missing steps may lead to deduction of marks.

4. Choose the most appropriate choice (among the given) while answering the MCQs.

5. Use of cell phone during the examination is strictly prohibited; otherwise strict disciplinary action will be

taken as per university rules.

**WARNING: Please note that Virtual University takes serious note of unfair means. Anyone found

involved in cheating will get an `F` grade in this course.


Marks


<UL> tag is used to

► underline text

► end the line

► create ordered list



WWW.vujannat.ning.COM ► create unordered list


Browser is a used for browsing.

► Component

► Tool

► None of these

► Device


------------ is volatile memory

► RAM

► ROM

► Hard Disk

► CD ROM


Using only Html we can create

► Dynamic web pages

► Static web pages

► Both Static and Dynamic pages

► None of these


Command that allows you to recover form mistakes is

► Clear

► Edit



► Break


What makes System Software different from Application software? Explain the attributes of good application software. Please write down the concise and to the point answer.(4+4)


Draw the OS components diagram? What are the main responsibilities that Kernel plays inOperating system? Please write down in 6-7 lines max.(3 + 4)


How you can enhance the capability of a micro processor? Write down the answer inmaximum 5-6 lines


Create the following page using html and javascript as shown in the image below. If someonepress “Ok” (submit) button without entering “age”, it should show a message “Please enteryour age”.

Options in drop down menu are1) Chocolate

2) Vanilla3) Cherry Garcia4) Pizza Pancake5) None of the above!

► Undo WWW.vujannat.ning.COM



WWW.vujannat.ning.COM CS101 Introduction to Computing Page 1 of 7

vujannat.ning.com

CS101 Introduction to ComputingMid Term Examination - April 2003

Session-1

Please read the following instructions carefully before attempting any of the questions:

1. The duration of this examination is 1.5 hours.2. This examination is closed book, closed notes, closed neighbors; any one found cheating

will get zero grade in the course CS101 Introduction to Computing.3. Answer all questions.

a. There is no choice .b. You will have to correctly answer all questions in this examination to receive the

maximum possible marks.4. Unless stated otherwise, all questions carry two marks. Each MCQ has 5 choices.5. Do not ask any questions about the contents of this examination from anyone.



6. Most, but not all, of the examination consists of multiple-choice questions. Choose onlyone choice as your answer.

a. If you believe that two (or more) of the choices are the correct ones for aparticular question, choose the best one.

b. On the other hand, if you believe that all of the choices provided for a particularquestion are the wrong ones, select the one that appears to you as being the leastwrong.

7. All Web development questions should be answered using the HTML syntax.




Q.No1An object can be defined as

o Collection of integers and floatso Collection o of integers and propertieso Collection of While loops and variableso Collection of properties and methods

Total Questions 25

o Combination of sequential and conditional structures

Q.No2During the integration and testing phase of software development life cycle

o User documents the work that he thinks the system doeso Developer analyzes user's requirements, and perform further

investigation to write the specifications for the systemo Bring the subsystem together to form the systems and test themo Detailed plan specifying the required resources and expected

deliverableso Providing the feasibility of the system

Q.No3The advantage of client side scripting is

o All browsers support ito Decreases the complexity of web pageo Reduces network traffico Increases server loado User cannot see your code

Q.No4

Spreadsheet softwareo Is the replacement of ledgerso Is a replacement of encyclopediao Are not used for business calculations and chartso Is a sub category of science, engineering and graphics softwareo Is a sub category of entertainment software.

Q.No5Decision support systems are sometimes called

o ERPo Document-centered computingo E-commerce software




o Electronic Encyclopediao Expert Systems

Q.No6ASP script is

o A data base management systemo Not a server side scripto Linux based server scripto Window based server scripto Unix based server script

Q.No7Software that directly interact with the user is called

o System softwareo Application softwareo Low level languageso Machine languageo Compilers

Q.No8In the AND operation output is true if

o All input variables have true stateo Some of the input variables have true stateo None of the input variables have true stateo All the input variables have false stateo Only one of the input has false state

Q.No9

Semantic web pageso Are also called static web pageso Are not understood by computerso Are understood by computerso Are not the extension of today's web pageso Correct the semantics of the web page

Q.No10Two major types of software are

o Application Software, System Softwareo Application Software , Database Softwareo System Software , Database Software




o Database Software , Embedded Softwareo Database Software , Embedded Software

Q.No11Language that is understood by computer hardware is called

o High level languageo Firmwareo Machine languageo Assembly languageo System software

Q.No12Microprocessor are made up of semiconductor material called

o Aluminumo Coppero Ferrous oxideo Silicono Silicon dioxide

Q.No13The following code will

<Html><HEAD><TITLE>

My new Web Page</TITLE>

</HEAD></Html>

o Display "My new Web Page " As a heading on my Web pageo Display "My new Web Page " On the title bar of the browsero Display "My new Web Page " as a hyper linko Make "My new Web Page " appear in bold letterso Not display "My new Web Page

Q.No14In an HTML file, it is essential to have

o <Head> tago </Body> tago <Body> tago <B> tag




o None of above

Q.No15A unique identifier for the location of a specific Web page is called a

o FTPo FAQ o URLo http://o IRC

Q.No16Search engines

o Cannot search the entire webo Are built to facilitate the scientistso Make the list of images that are available on the neto Search the news groups for the required informationo Scan the entire web for the desired information

Q.No17A web site

o Does not have a unique identifiero Is accessible to limited usero Is a collection of related documents on the interneto Is a place where we can only read information on the interneto Is a place on the net where we can only write information

Q.No18Vacuum Tubes are

o

Smaller then transistorso Developed for military applicationso Made up of two or more electrodes in a glass metal tubeo Used in IBM PCo Invented by Tim Burners lee

Q.No19BASIC stands for

o Basic American Standard Information Codeo Beginners All purpose Symbolic Instruction Codeo Brother and Sisters In Christo British American Scientific International Commercial




o Badminton And Swimming Including Cycling

Q.No20JavaScript

o is an Object based Languageo is an interpreted languageo Both first and secondo is an Object-Oriented Languageo Both second and fourth

Q.No21World's first program was written by

o Charles Babbageo Alfred Tennysono Ada Lovelaceo Bernoulio Newton

Q.No22Whatwould be the output of the following Pseudo Code? (3 Marks)

StartInitialize x to 4Initialize y to 1Initialize Result to 0While (y<=x)

Loop

Result=x+yY=y+1

Print ResultEnd

o 4o 8o 10o 1o None of the above




Q.No23Convert binary number 100100 into equivalent Decimal number. (5 Marks)

Q.No24Write the truth table for Boolean Expression. ( 5 Marks)

Z=x + (x. y)'

Q.No25Take a look at the image of the browser screen shown below. Write down theHTML code that will produce this screen. (15 Marks)



WWW.vujannat.ning.COM Connecting VU

Students


SPRING 2006


Marks: 50

Time: 120min

StudentID/LoginID:

Student Name:

Center Name/Code:

Exam Date: Saturday, August 19, 2006






c . Write all steps, missing steps may lead to deduction of marks.3. The paper is tool independent.

**WARNING: Please note that Virtual University takes serious note ofunfair means. Anyone found involved in cheating will get an `F` gradein this course.


Marks


Which of the following file operations JavaScript can perform on a client computer?




Students

► Read

► Modify

► Arithmetic

► Delete

► Create


A cell in a spreadsheet can not contain one of the followings:

► Numbers

► Text

► Formulas

► Images


Suppose that we have two Local Area Networks working on differe nt communication protocols. Whatis the right choice to connect them?

► Router

► Bridge




Students

► Gateway

► Modem


Which of the following words can’t be used for naming an identifier in JavaScript?

► struct

► plugin

► parent

► package


a) Classify computer networks according to the network access policy. Write in brief. (5 marks)

b) How DBMS ensures the Security and Integrity of data contained in database? (5 marks)


Explain scope of local and global variables in relation to functions in JavaScript? Give an exampleof each.


a) Differentiate between SMTP and POP3 server. (3 marks)




Students

b) How you can justify that a DBMS is better to use than Flat-file database? (5 marks)


What will be the output of this programme? Also write comments where you find “//” symbol inthe following code.

<html><head>

<script language="JavaScript">function doSomething() { // 1

setTimeout('doSomething()',10000); // 2}

</script>

</head>

<body onLoad="doSomething()"> // 3document.write(“Virtual University of Pakistan”);

</body></html>


How “Object-Oriented Graphics” and “Raster Scan Graphics” differ from each other? Which typeof graphic files are easy to transfer over web?

Collection of Cs101 Old Papers

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Transcript of Collection of Cs101 Old Papers