SBI Clerk

Computer and Scientific Quiz for UGC | NET | JRF | SET Exams

1. The input unit of a computer-
  • (A) Feeds the data in CPU
  • (B) Retrives the data from CPU
  • (C) Directs all other units
  • (D) All of these

2. The control unit of a computer-
  • (A) Perform arithmetic and logical operations on the data
  • (B) Controls the operation of output devices
  • (C) is a device for manually operating the computer
  • (D) Directs the other units of the Computer

3. A CPU generally contains-
  • (A) Registers and ALU
  • (B) A control and timing section
  • (C) Instruction decoding circuits
  • (D) All of these

4. Which of the following computers is least powerful ?
  • (A) Minicomputer
  • (B) Microcomputer
  • (C) Mainframe computer
  • (D) Super computer

5. Which of the following storage device can be carried around
  • (A) Floppy disks
  • (B) Main memory
  • (C) Registers
  • (D) Core memory

6. Which of the following coded entries are used to control access to computers?
  • (A) Code words
  • (B) Pass words
  • (C) Binary pass
  • (D) ASC-II Codes

7. Hard copy of a document can be obtained from
  • (A) Card reader
  • (B) CRT
  • (C) Laser printer
  • (D) Paper tape

8. Which of the following is the internal memory of the computer
  • (A) CPU register
  • (B) Cache
  • (C) Main memory
  • (D) All of these

9. Which of the following memories requires refreshing cycle
  • (B) ROM
  • (A) RAM
  • (C) Dynamic MOS
  • (D) All of these

10. Which of the following is a temporary memory
  • (A) RAM
  • (B) ROM
  • (C) Both RAM and ROM
  • (D) None of the above

11. A temporary memory is destroyed-
  • (A) In a few milli seconds
  • (B) In a few seconds
  • (C) In a few minutes
  • (D) When power is switched off

12. Which of the following is a permanent memory
  • (A) RAM
  • (B) ROM
  • (C) Both RAM and ROM
  • (D) None of these

13. Memory with highest storage capacity is-
  • (A) Core memory
  • (B) Semiconductor memory
  • (C) Magnetic tape
  • (D) Magnetic disc

14. The ALU of a computer normally contains a number of high speed storage elements called
  • (A) Semiconductor memory
  • (B) Registers
  • (C) Hard disk
  • (D) Magnetic disk

15. The unit of a computer system which executes program, communicates with and often controls the operation of other sub-systems of the computer is the–
  • (A) CPU
  • (B) Control unit
  • (C) unit
  • (D) Peripheral unit

16. Computer peripheral is-
  • (A) A computer device which is not connected to CPU
  • (B) A device which is connected to
  • (C) A device for manually operating the computer
  • (D) None of these

17. Second generation computers are characterized by the use of
  • (A) Vacuum tubes
  • (B) Transistors
  • (C) Large scale integration ICs
  • D) VLSI ICs

18. Fourth generation computers–
  • (A) Were built after 1970
  • (B) Use microprocessors
  • (C) Were first to use VLSI circuitry
  • (D) All of these

19. A mini computer-
  • (A) Has limited storage capacity ranging from 8000 to 16000 locations
  • (B) Has relatively low speed and low capacity 27 auxiliary storage devices
  • (C) Has relatively small basic data unit size within the storage is usually 8 to 16 digits with internal storage word
  • (D) All of these

20. The language which a computer can understand is
  • (A) High level languages
  • (B) Assembly language
  • (C) Machine languages
  • (D) All of these

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