COMPUTERMCQ’s in PDF

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Who is called as Father of Computers?

➢ Charles BabbageMathematician, Philosopher,

Inventor and Mechanical Engineer

The First Digital Computer introduced, was named as?

➢ Mark-IDate introduced: 1944

Developer: Howard Aiken / IBM

How many generations, computer can be classified?

➢ 5 Generations1st Generation of Computer = 1946-1959. Vacuum tube based.2nd Generation of Computer = 1959-1965. Transistor based.3rd Generation of Computer = 1965-1971. Integrated Circuit based.4th Generation of Computer = 1971-1980. VLSI microprocessor based.5th Generation of Computer = 1980-onwards. ULSI microprocessor based.

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Computers, combine both measuring and counting, are called?

➢ Hybrid

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In any computer installation, how many elements consist?

➢ 3 Elements• Hardware• Software• Human ware

Physical structure of computer is called?

➢ Hardware

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CPU stands for?

➢ Central Processing Unit

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In which type of computer, data are represented as discrete signals?

➢ Digital computer

Discrete Signals

PARAM is an example of?

➢ SupercomputerPARAM is a series of supercomputers designed and assembled by the Centre for Development of Advanced Computing in Pune, India.

GUI stands for?

➢ Graphical User Interface

Which is responsible for all types of calculations?

➢ALU (Arithmetic logic unit)

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CD-ROM stands for?

➢ Compact Disk Read Only Memory

It is a type of read-only memory.

VGA Stand for?

➢ Video Graphics ArrayVideo display controller

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MSI stands for?

➢ Medium Scale IntegrationIntegrated circuit that contains between 30 and 1,000 electronic components on a single chip.

WAN stands for?

➢ Wide Area Network

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MICR stands for?

➢ Magnetic ink character recognition

One byte consists of?

➢Eight bitsA byte consists of 8 adjacent binary digits (bits), each of which consists of a 0 or 1.

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UNIVAC Stand for?

➢ Universal Automatic Computer

It was designed principally by J. Presper Eckert and John Mauchly.

Commercial data-processing computer

The brain of any computer system is?

➢ Central Processing Unit (CPU)

It was designed principally by J. Presper Eckert and John Mauchly.

Commercial data-processing computer

Which type of computers uses the 8-bit code called EBCDIC?

➢ Mainframe Computers

To produce high quality graphics (hardcopy) in color, you would want to use?

➢Plotter

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The output quality of a printer is measured by?

➢ Dot Per Inch

Which computer was considered the first electronic computer until 1973 when court invalidated the patent?

➢ ENIAC

A physical connection between the microprocessor memory and other parts of the microcomputer is known as?

➢ Address bus

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High density double sided floppy disks could store of data?

➢ 44 MB

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When was vacuum tube invented?

➢ 1906Developed from Lee De Forest's 1906 Audion

The Arranging of data in a logical sequence is called?

➢ SortingDeveloped from Lee De Forest's 1906 Audion

Instructions and Memory Address are represented by?

➢ Binary codes

A set of flip flops integrated together is called?

➢Register

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Which is used for manufacturing chips?

➢ Semiconductors (Silicon)

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The first computer introduced in Nepal was?

➢ IBM 1401

A register organized to allow to move left or right operations is called ?

➢ Shift Register

Which was the most popular first-generation computer?

➢ IBM 650

BCD Stand for?

➢Binary Coded Decimal

When was the world’s first laptop computer introduced in the market and by whom?

➢ Epson, 1981

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From which generation operating systems were developed?

➢ Third generation

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The term Gigabyte refers to?

➢ 1024 Megabytes

The BIOS is the abbreviation of ?

➢ Basic Input Output System

What does DMA stand for?

➢ Direct Memory Access

Who suggested Stored Program Concept?

➢ John NeumannThe idea was introduced in the late 1940s.

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The central processing unit (CPU) consists of?

➢ Control unit

➢ Arithmetic-logic unit

➢ Primary storage (RAM, ROM)

The notable features like keyboards, monitors, GUI were developed in?

➢ Third generation

When was the X window system born?

➢ 1984

EBCDIC stands for?

➢ Extended Binary Coded Decimal Interchange Code

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IBM System/360 is?

➢ Mainframe Computer

EPROM can be used for?

➢ Erasing and Reconstructing the contents of ROM

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1 Nibble equals to?

➢ 4 bits

The term ‘computer’ is derived from?

➢ Latin languageWhich means to “to calculate”.

In mode, the communication channel is used in both directions at the same time?

➢ Full-duplex

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CAD stands for?

➢ Computer Aided Design

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