Practical Computer Literacy Week-02 1. Important Announcements Use of mobile phone is prohibited....

Practical Computer LiteracyWeek-02

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Important Announcements

• Use of mobile phone is prohibited.• Come in proper Dress Code(Sleeveless tee shirts,

shorts, sandals will not be accepted,)• More Than two absent is DN• Two late is one absent

Practical Computer Literacy, 3rd Edition 2

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Week2- Objective

– Recap Week1– Software– Types of software– How System Software and Application Software work together

– Operating systems Types and Its functions– File Management– How to work with Windows 8– Activities and Blackboard Demo

Practical Computer Literacy, 4th Edition

Software

• A set of instructions that makes the computer perform tasks (also called computer program)

• Two categories of software

1. System software is to help computer carry out its basic operating functions and manage its own resources such as operating systems, network management systems, device drivers.

2. Application software is used to help people carry out tasks such as creating documents, tracking finances, editing photos, Student Information System (SIS) at KFUPM.


What is software?


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System and application software work together to perform tasks

Practical Computer Literacy, 4th Edition

• When you issue a command using application software, it tells the operating system what to do

• Operating system tells device drivers,• Device drivers tell hardware, • Hardware does the work

Operating System

• An operating system is a system software that Controls the system’s hardware Interacts with the user (user interface) Interacts with application software

Practical Computer Literacy, 4th Edition 7

DOS--- command-line interface

What does an operating system do?

• Most important operating system functions:– Store files, open them, and remember their locations– Manage memory allocated for programs and data– Provide basic level of system security through passwords and encryption

– Regulate flow of data to processor– Provide design and interaction for user interface

• Operating systems can: Multitask– Establish limits (e.g., size of disk storage)


Some Operating System in Use

• WindowsMost recent version: Windows 8– Still in use: Windows 7, Windows Vista, and Windows XP– Operating system designed for Apple’s Macintosh line of computers

• iOS– Operating system developed for Apple iPhone; subsequently used for iPod touch and iPad

• Android– Open source, mobile OS for tablet computers, smartphones, and ebook

readers– Most popular smartphone OS

Some Operating System in Use


Windows 8 opens to a Start screen that displays customizable tiles representing applications, devices, and files.


Linux

• Frequently used as an OS for servers• Less popular than Windows or OS X for average consumer’s computer• Distributed along with source code under terms of GPL (General Public License)• Provides multitasking and multi-user capabilities• Secure and reliable• Linux distribution is a download that contains:

– Linux operating system– System utilities– GUI (icons, toolbars, and rectangular work areas)– Installation routine

Edition of Windows 8

Editions of Windows 8For desktop and laptop computers

• Basic Windows 8• Windows 8 Pro• Windows 8 Enterprise

For tablet devices • Windows RT For smartphones • Windows Phone 8



How do I work with Windows 8?

How do I access and change settings?

• Windows 8 has a unique panel of settings accessed from Charms menu


How do I access and change settings?

• Windows 8


Working with Computer Files

• File is a collection of data that has a name and is stored on computer storage (disk, tape, CD, DVD, or USB)

• Two categories of files1. Executable files

An executable file is a program that tells computer how to perform specific task

2. Data filesA data file contains words, numbers, pictures, or voice that can be manipulated

• Naming the files


Working with Computer Files



Managing folders and files

• File name– Each file on a computer must be given a unique name– In Windows, a file name can contain as many as 255 characters

• File extension– A file extension is a set of characters added to a file name to indicate the type of the file, e.g. .doc, .ppt, .pdf

• Folder– A folder (also called “directory”) is a group of files for easy retrieval. Each folder has a unique name

– A folder can contain other folders, called “subfolders”• Path --- a device letter, folder name(s), file name, and extension, for example c:\Documents\Pyp002\Lab02.ppt


How are files grouped?

• Use Change your view button (Windows 7) or View tab (Windows 8) to change way file list is displayed:– Icon view– List view– Details view– Tiles view (Windows 7 only)– Content view (Windows 7 only)

Activity Time-Questionnaire

• Please Read Question From Next slide.• Open Note Pad• Save Notepad on Desktop with Your ID• Write the Answer on Notepad• Submit the file on Blackboard in Assignment1


Activity Time-Questionnaire (write the answer on Paper--)


• 2 byte= --------bits; 1 Tera byte = …………. bytes.• Write the four major differences between storage and memory.• What factors effect computers speed and power• What are the four main categories of computers.• Give 3 examples of real life systems/processes that uses computers or a computer

system.• The A4 processor found in the iPhone 4 also had 512MHZ of RAM (True/False)• Processor speed of my smart phone is 4GB (true/False)• Identify as either a hardware or a software from the following;

– A cup of tea placed on some table– Thoughts in my mind

• Name of three Software in your Smartphone• Name of any three input and three output devices• Name four different Operating systems in smartphones.• Write steps of one instruction cycle.

Activity-2

• Explore the following things– Desktop, Notification Area– Quick Access Menu, Taskbar, Task Manager,– Control Panel, Program List, Run, Search Option– Device Manager, Recycle Bin, Plug-and-play– Background wallpaper, screen resolution

• Find the Processor Speed and RAM size in your computer

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Practical Computer Literacy Week-02 1. Important Announcements Use of mobile phone is prohibited....

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