Computer Awareness MCQ

1 >> Communication that involves computers, establishing a link through the telephone system is called ?

  • (A) Teleprocessing
  • (B) Microprocessing
  • (C) Telecommunications
  • (D) All of the above

2 >> EBCDIC can code up to how many different characters? ?

  • (A) 8
  • (B) 16
  • (C) 32
  • (D) 256

3 >> A number which is stored and processed but not in the standard exponential form is called ?

  • (A) Floating point number
  • (B) Fixed point number
  • (C) Octal number
  • (D) Decimal number

4 >> Which of the following is the coding of data so that is can’t be easily understood if intercepted. ?

  • (A) Barcode
  • (B) Decoder
  • (C) Encryption
  • (D) Mnemonics

5 >> What was the name of the first stored program electronic computer which was built in 1949 at Cambridge University in England? ?

  • (A) EDVAC
  • (B) EDSAC
  • (C) UNIVAC
  • (D) MARK-I

6 >> In which addressing mode, the effective address of the operand is generated by adding a constant value to the contents of a register? ?

  • (A) Absolute mode
  • (B) Indirect mode
  • (C) Immediate mode
  • (D) Index mode

7 >> A characteristic of card systems is: ?

  • (A) slowness in processing data
  • (B) using cards as records of transactions
  • (C) needing a larger DP staff
  • (D) all the above

8 >> What difference does the 5th generation computer have from other generation computers? ?

  • (A) Technological advancement
  • (B) Scientific code
  • (C) Object Oriented Programming
  • (D) All of the above

9 >> A _____ is simply an arrangement where multiple disk drives appear as a single disk drive to the user. ?

  • (A) disk
  • (B) disk array
  • (C) bunch of disks
  • (D) disk pack

10 >> What process prepares the magnetic surface of a disk by creating concentric circles, called tracks, around the disk? (Each track is further divided into pic-shaped sections called sectors.) ?

  • (A) Tracking
  • (B) Formatting
  • (C) Copying
  • (D) Sectioning

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

  • (A) Bytes
  • (B) Kilo-bytes
  • (C) Bits
  • (D) Megabytes

12 >> 1024 bytes represent a ?

  • (A) Megabyte
  • (B) Gigabyte
  • (C) Kilobyte
  • (D) None of the above

13 >> When the time to establish link is large and the size of data is small, the preferred mode of data transfer is ?

  • (A) Circuit switching
  • (B) Packet switching
  • (C) Time division multiplexing
  • (D) All of the above

14 >> A type of channel used to connect a central processor and peripherals which uses multipling is known as ?

  • (A) Modem
  • (B) Network
  • (C) Multiplexer
  • (D) All of the above

15 >> Programs designed to perform specific tasks is called known as ?

  • (A) System software
  • (B) Application software
  • (C) Utility programs
  • (D) Operating system

16 >> Binary numbers need more places for counting because ?

  • (A) They are always big numbers
  • (B) Any no. of 0’s can be added in front of them
  • (C) Binary base is small
  • (D) 0’s and l’s have to be properly spaced apart

17 >> A temporary storage area, attached to the CPU, for I/O operations is a: ?

  • (A) chip
  • (B) buffer
  • (C) register
  • (D) core

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

  • (A) OCR
  • (B) OMR
  • (C) MSI
  • (D) POS


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

  • (A) ST50G/412
  • (B) IDE
  • (C) SCSI
  • (D) ESDI

20 >> The CPU of a computer transfers print output to a temporary disk memory at high speed and then gets back to processing another job without waiting for the output to got to the printer. In this way, the CPU does not remain idle due to its own high speed as compared to the low speed of the printer. What is the name of this memory? ?

  • (A) External memory
  • (B) I/O memory
  • (C) ROM
  • (D) Buffer memory

computer mcq

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