Q.1

The light pen was developed in

  • 1942
  • 1976
  • 1950
  • 1992
  • None of the above
Q.2

The 2's complement number ofis

  • 001101
  • 110011
  • 010011
  • All of the above
  • None of the above
Q.3

Computer can not do anything without a

  • Chip
  • Memory
  • Output device
  • Program
  • None of the above
Q.4

The first mechanical calculating machine was made by

  • William Oughtred
  • Gottfried Leibnitz
  • Blaise Pascal
  • Charles Babbage
  • None of the above
Q.5

A printer in which the characters are embossed on a band is

  • Dot-matrix
  • Laser
  • Golf-ball
  • Chain
  • None of the above
Q.6

The two main components of the CPU is

  • Control unit and registers
  • Control unit and ALU
  • Registers and main memory
  • ALU and bus
  • None of the above
Q.7

A micro processor chip used in a PC system

  • Performs the arithmetic-logic and control functions
  • Is the only chip cound in most PC models
  • Almost always operates on by-bits of data at a time
  • Performs the primary storage function
  • None of the above
Q.8

No computer can do anything without a

  • program
  • memory
  • chip
  • output device
  • None of the above
Q.9

A program used to detect overall system malfunction is

  • System analysis
  • System software
  • Utilities
  • System diagnostics
  • None of the above
Q.10

The purpose of an application program is to

  • Convert program written in high level language to machine language
  • Meet specific user needs
  • Allow the operating system to control resources better
  • Make off-line equpment run better
  • None of the above
Q.11

The ability of a computer system to remain operational despite various failures is

  • Relation
  • Schema
  • Resilience
  • Versatility
  • None of the above
Q.12

Which programming language is much in vogue among users of microcomputers

  • ALGOL
  • APL
  • LOGO
  • FORTH
  • None of the above
Q.13

Arranging data in a specific order is called

  • Merging
  • Sorting
  • Classification
  • Verification
  • None of the above
Q.14

A factor which might cause an individual to consider using a computer in criminal activities is:

  • The computer's access to large sums of money
  • The speed with which the crime can be accomplished
  • EFTS (Electronic Funds Transfer System)
  • All the above
  • None of the above
Q.15

ILLIAC is a

  • Super computer
  • Mini computer
  • Mainframe computer
  • Micro computer
  • None of the above
Q.16

The estimation of the value of a function at a point beyond the interval in which the data lies is called known as

  • Interpolation
  • Simulation
  • Emulation
  • Extra polation
  • None of the above
Q.17

A computer, by definition, is any device that computers. This broad definition includes which of the following?

  • Calculators
  • Cash registers
  • Automotive controllers
  • Desktop computers
  • All of the above
Q.18

A specific part of an arithmetic & logic unit that is used to perform the operation of multiplication is

  • Multiplier
  • Multiplener
  • Multivibrator
  • Quantization
  • None of the above
Q.19

A hand-held device for optically reading bar codes on goods, labels & shelves is

  • Wand
  • Touch tablet
  • Mouse
  • Light pen
  • None of the above
Q.20

Sometime data are gathered over a period of time and collected into a group before entering them into a computer for processing. What type of processing is it called?

  • Interactive processing
  • Sequential processing
  • Batch processing
  • Group processing
  • None of the above
Q.21

Which of the following translate back from machine code something resembling the source language

  • Interpreter
  • Compiler
  • Assembler
  • Decompiler
  • None of the above
Q.22

Which system was developed by Rank-Xeron for use with office computers and other equipment.

  • UNIX
  • ETHERNET
  • PC-DOS
  • MS-DOS
  • None of the above
Q.23

Which of the following memories must be refreshed many times per second?

  • Static RAM
  • Dynamic RAM
  • EPROM
  • ROM
  • None of the above
Q.24

Multiplication of 1112 by 1012 is

  • 1100112
  • 1000112
  • 1111002
  • 0001012
  • None of the above
Q.25

The area of computer science which is concerned with the display of pictures is

  • Networks
  • Graphics
  • Designing
  • Architecture
  • None of the above
Q.26

Transmission and presentation of text and graphics is called

  • Tele-text
  • Network
  • Telematique
  • Video text
  • None of the above
Q.27

What type of memory is not directly addressable by the CPU and requires special software called EMS (expanded memory specification)?

  • Extended
  • Expanded
  • Base
  • Conventional
  • Basic system
Q.28

An input device that uses switch contacts placed under a plastic pad which may be inscribed with symbols is known as

  • Punched card
  • Touch pad
  • Punched paper tape
  • Magnetic disk
  • None of the above
Q.29

A hand-held device which reads marks or characters on paper by detecting photo-sensitivity is known as

  • Optical-wand
  • Light pen
  • Plotter
  • All of the above
  • None of the above
Q.30

Who launched IBM's First PC in 1981?

  • Dean Cline
  • C.B. Rogers Jr.
  • John F. Akers
  • David Svenson
  • None of the above
Q.31

An electrical inter-connection that permit 8 or more bits of data to be moved in the same instant of time is called

  • Outline processor
  • Parallel interface
  • Page layout program
  • Fasimile system
  • None of the above
Q.32

An input device that is able to interpret pencil marks on paper media is known as

  • Magnetic disk
  • Optical Mark Reader
  • Card Puncher
  • Magnetic tape
  • None of the above
Q.33

What was the computer conceived by Babbage?

  • Analytical Engine
  • Arithmetic Machine
  • Donald Knuth
  • All of the above
  • None of the above
Q.34

Which of the following is used for input and output both

  • Graph plotter
  • Teletype terminal
  • Line printer
  • All of the above
  • None of the above
Q.35

In analog computer

  • Input is first converted to digital form
  • Input is never converted to digital form
  • Output is displayed in digital form
  • All of the above
  • None of the above
Q.36

Which of the following is considered a direct-entry input device?

  • optical scanner
  • mouse
  • light pen
  • digitizer
  • All of the above
Q.37

Who developed a mechanical device in the 17th century that could add, subtract, multiply, divide and find square roots?

  • Napier
  • Babbage
  • Pascal
  • Leibnitz
  • None of the above
Q.38

Bubble memory is a

  • Sequential access device only
  • Direct access device only
  • Combination of sequential and direct access devices
  • All of the above
  • None of the above
Q.39

The third generation of computers covers the period:

  • 1971-1982
  • 1982-1994
  • 1959-1964
  • 1965-1971
  • 1995-now
Q.40

Which of the following registers is used to keep track of address of the memory location where the next instruction is located?

  • Memory Address Register
  • Memory Data Register
  • Instruction Register
  • Program Counter
  • None of the above
Q.41

Which memory stores the values of variables.

  • SAM
  • ROM
  • RAM
  • PROM
  • None of the above
Q.42

Which of the following languages is often translated to pseudo code?

  • Assembly
  • FORTRAN
  • PASCAL
  • BASIC
  • None of the above
Q.43

The data bus in 8080A/microprocessor is a group of

  • eight bidirectional lines that are used to transfer 8 bits between the microprocessor and its I/O and memory
  • sixteen bidirectional lines that are used for data transfer between the microprocessor and memory
  • eight unidirectional lines that are used for I/O devices
  • eight lines used to transfer data among the registers
  • None of the above
Q.44

The OCR stand for?

  • Outsized character reader
  • Optical character recognition
  • Operational character reader
  • Only character reader
  • None of the above
Q.45

A device that can accept data, hold them&deliver them on demand at a later time is known as

  • Buffer
  • Memory
  • CPU
  • Register
  • None of the above
Q.46

Which of the following is a computer memory that can be programmed once, but not reprogrammed.

  • ROM
  • RAM
  • PROM
  • EPROM
  • None of the above
Q.47

Which of the following is directry controlled from a keyboard.

  • Card punch
  • Punched paper tape
  • Magnetic disk
  • Magnetic tape
  • None of the above
Q.48

Number cruncher is the informal name for

  • Mini computer
  • Super computer
  • Micro computer
  • Mainframe computer
  • None of the above
Q.49

Magnetic tape can serve as

  • Input media
  • Output media
  • Secondary storage media
  • All of the above
  • None of the above
Q.50

Pictures or drawings, typically displayed on a VDU to allow users to select program options is called

  • HIPO charts
  • Icons
  • Graphics
  • Network
  • None of the above
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