Q.1

When was the IBM XT microcomputer released in the market?

  • 1970
  • 1971
  • 1987
  • 1986
  • None of the above
Q.2

The time taken for the read/write head to move to the correct track on the magnetic disk is called

  • epoch delay
  • latency delay
  • seek time
  • approach time
  • None of the above
Q.3

Which of the following statements is true?

  • The installation of a computer is favorably received by all employees
  • Some form of training is necessary for employees who will work with computers
  • Computers are portrayed solely as society's benefactor
  • A businessperson is only interested in the computer's accuracy
  • None of the above
Q.4

Which of the following is used to insure the high quality of computer output?

  • computer output microfilm
  • output controls
  • voice output systems
  • liquid crystal display
  • None of the above
Q.5

A high speed device used in CPU for temporary storage during processing is called

  • A register
  • A bus
  • A databus
  • All of the above
  • None of the above
Q.6

Which of the following is not currently a topic in computer science?

  • Speech recognition
  • Artificial intelligence
  • Thermodynamics
  • Multiprocessing
  • None of the above
Q.7

The memory sizes in mainframe computers and advanced technology micro computers are expressed as

  • Bytes
  • Kilo-bytes
  • Bits
  • Megabytes
  • None of the above
Q.8

Computer Operators

  • Write computer programs for specific problems
  • Operate the devices which input and output data from the computer
  • Normally require a college degree in computer science
  • All of the above
  • None of the above
Q.9

Why is the width of the data bus so important to the processing speed of a computer?

  • The narrower it is, the greater the computer's processing speed
  • The wider it is, the more data that can fit into main memory
  • The wider it is, the greater the computer's processing speed
  • The wider it is, the slower the computer's processing speed
  • The data bus isn't important to the processing speed of a computer
Q.10

Which part of the computer were is used for calculating and comparing?

  • Disk unit
  • Control unit
  • ALU
  • Modem
  • None of the above
Q.11

The central processor of a modern digital computer consists of

  • control unit
  • primary memory
  • control unit and primary memory
  • All of the above
  • None of the above
Q.12

Which disk interface standard includes support for up to eight peripheral devices?

  • ST50G/412
  • IDE
  • SCSI
  • ESDI
  • None of the above
Q.13

A computer with CPU speed aroundmillion instructions per second & with the word length of aroundbits is known as

  • Super computer
  • Mini computer
  • Micro computer
  • Micro computer
  • None of the above
Q.14

What is the name given to the molecular-scale computer?

  • Femtocomputer
  • Nanocomputer
  • Supercomputer
  • Microcomputer
  • None of the above
Q.15

The daily processing of corrections to customer accounts best exemplifies the processing mode of:

  • Batch processing
  • Real-time processing
  • Time-sharing
  • Offline processing
  • None of the above
Q.16

A memory space used for the temporary storage of data is

  • PROM
  • SAM
  • Scratchpad storage
  • Buffer
  • None of the above
Q.17

The access method used for cassette tape is

  • Direct
  • Random
  • Sequential
  • All of the above
  • None of the above
Q.18

A storage device which is used to store data & information external to the main storage is known as

  • Buffer
  • Backing storage
  • PROM
  • Accumulator
  • None of the above
Q.19

Which of the following is not used for storage purposes with main frame computers?

  • removable disks
  • fixed disks
  • mass storage systems
  • diskettes
  • None of the above
Q.20

A computer has amemory. What does the letter K stand for

  • Kilometre
  • Thousand
  • 1024
  • MB
  • None of the above
Q.21

What does that acronym VGA stand for?

  • Extended Graphics Adapter
  • Enhanced Graphics Array
  • Video Graphics Array
  • Color Graphics Array
  • Video Graphics Adapter
Q.22

In a PC, how much memory is available to application software?

  • 1024 KB
  • 760 KB
  • 640 KB
  • 560 KB
  • 2048 KB
Q.23

Communication between computers using standard telephone service

  • Requires a change to an anolog signal
  • Is most efficient
  • Produces little noise and few disturbances
  • All of the above
  • None of the above
Q.24

The most common binary code in use today is the 8 bit ASCII code. What do the letters ASCII stand for?

  • American Standard Code for International Interchange
  • American Standard Code for Information Interchange
  • American Standard Code for Intelligence Interchange
  • American Scientific Code for Information Interchange
  • None of the above
Q.25

Computers are extremely fast and have fantastic memories. However, the only thing they can remember is

  • Instruction
  • Series of 1s and 0s
  • Boolean algebra
  • Logic theorems
  • None of the above
Q.26

Where have the program and data to be located before the ALU and control unit of a computer can operate on it?

  • Internal memory
  • Secondary memory
  • Microprocessor
  • Magnetic tapes
  • None of the above
Q.27

A memory bus is mainly used for communication between

  • processor and memory
  • processor and I/O devices
  • I/O devices and memory
  • input device and output device
  • None of the above
Q.28

The person contributing the idea of the stored program was

  • John von Neumann
  • Charles Babbage
  • Howard Aiken
  • Basic Pascal
  • None of the above
Q.29

Fifth generation computers are likely to exhibit

  • artificial intelligence
  • heuristic behaviour
  • advanced parallel processing
  • All of the above
  • None of the above
Q.30

Who designed the first general purpose electronic digital computer "ENIAC" ?

  • Van-Neumann
  • Joseph M Juoquard
  • J. Presper Ecket and John W Mauchly
  • All of the above
  • None of the above
Q.31

A computer program consists of

  • System flowchart
  • Program flowchart
  • Algorithms written in computer's language
  • Discrete logical steps.
  • None of the above
Q.32

Who is considered the 'father' of the minicomputer and one of the founder fathers of the modern computer industry world-wide?

  • George Tate
  • Kenneth H. Olsen
  • Seymour Cray
  • Basic Pascal
  • None of the above
Q.33

One of the main feature that distinguish microprocessors from microcomputers is

  • words are usually larger in microprocessors
  • words are shorter in microprocessors
  • microprocessor does not contain I/O devices
  • exactly the same as the machine cycle time
  • None of the above
Q.34

Which of the following devices can be used to directly input printed text?

  • OCR
  • OMR
  • MICR
  • All of the above
  • None of the above
Q.35

To locate a data item for storage is

  • Field
  • Feed
  • Database
  • Fetch
  • None of the above
Q.36

An input device which can read characters directly from an ordinary piece of paper is

  • OCR
  • OMR
  • MSI
  • POS
  • None of the above
Q.37

What type of control pins are needed in a microprocessor to regulate traffic on the bus, in order to prevent two devices from trying to use it at the same time?

  • Bus control
  • Interrupts
  • Bus arbitration
  • Status
  • None of the above
Q.38

What was the total number of UNIVAC-I sold eventually and by which company?

  • 30, British Tabulating Machine Co. (BTM)
  • 40, International Business Machines (IBM)
  • 48, Remington Rand
  • 40, International Computer Ltd. (ICL)
  • None of the above
Q.39

What is the name of the logic circuit which can add two binary digits?

  • Full adder
  • Half adder
  • Buffer
  • Register
  • None of the above
Q.40

A small film-plate which is used for microfilming the output from a microcomputer screen is called

  • microfilm
  • microfiche
  • film card
  • COM
  • None of the above
Q.41

Which of the following printer can be classified as a page-at-a-time printer?

  • Laser printer
  • Dot-matrix printer
  • Thermal printer
  • Inkjet printer
  • None of the above
Q.42

The arranging of data in a logical sequence is called:

  • sorting
  • classifying
  • reproducing
  • summarizing
  • None of the above
Q.43

Which is true for the digital computer?

  • It is less accurate than the analog computer
  • It represents the decimal numbers through a string of binary digits
  • It is used primarily in scientific applications
  • Both (a) and (c)
  • None of the above
Q.44

Computer instructions written with the use of English words instead of binary machine code is called

  • Mnemonics
  • Symbolic code
  • Gray code
  • Op-code
  • None of the above
Q.45

Which part of the diskette should never be touched?

  • Hub
  • Centre
  • Oval slot
  • Corner
  • None of the above
Q.46

For a memory system, the cycle time is

  • same as the access time
  • longer than the access time
  • shorter than the access time
  • submultiple of the access time
  • None of the above
Q.47

The number of records contained within a block of data on magnetic tape is defined by the

  • block definition
  • record contain clause
  • blocking factor
  • record per block factor
  • None of the above
Q.48

A floppy disk contains

  • Circular tracks only
  • Sectors only
  • Both circular tracks and sector
  • All of the above
  • None of the above
Q.49

The software used to convert source program instructions to object instruction is known as

  • Compiler
  • Assembler
  • Interpreter
  • Language processor
  • None of the above
Q.50

Binary numbers need more places for counting because:

  • 0's and 1's can be added in front of them
  • 0's and 1's have to be properly placed
  • They are always big numbers
  • Binary base is small
  • None of the above
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