Computer Quiz

Q11. Register is a _________.
(1) Set of capacitors used to register input instructions in a digital computer
(2) Set of paper tapes and cards put in a file
(3) Temporary storage unit within the CPU having dedicated or general
purpose use
(4) part of the auxiliary memory
(5) device to convert current signal into voltage signal
Q 12. Errors in computer results could be due to _________.
(1) encoding of data
(2) transmission of data
(3) manipulation of data
(4) all of the above
(5) none of above
13. Terminal is a __________.
(1) device used to give supply to a computer
(2) Point at which data may leave or enter the computer
(3) ending point in a program
(4) point where wires are interconnected
(5) an input/output device
14. A computer programmer ____________.
(1) enters data into computer
(2) writes programs
(3) changes flow chart into instructions
(4) provides solutions to complex problems
(5) does total planning and thinking for a computer
15. Pickup wrong definition?
(1) Off line - is a system peripheral equipment not controlled by CPU
(2) Online - is system in which peripheral equipment is in direct contact with
CPU
(3) Peripherals - are hardware under the control of CPU, like punched card
readers, tapes, drums, disk, output devices
(4) PL/I is the acronym Peripheral Listing /Index
(5) Program or routine is a set sequence of instructions given to computer for
problem solving
16. When a CD (Compact Disc used in audio and video system) is seen in
sunlight, rainbow like colours are seen. This can be explained on the basis of
phenomenon of ________.
(1) Reflection and diffraction
(2) Reflection and transmission
(3) Diffraction and transmission
(4) Refraction, diffraction and transmission
(5) None of these
17. For reproducing sound, a CD (Compact Disc) audio player uses a _____.
(1) quartz crystal
(2) titanium needle
(3) laser beam
(4) barium titanium ceramic
(5) none of these
18. The memory of a computer is commonly expressed in terms of Kilobytes
or Megabytes. A byte is made up of ______.
(1) eight decimal digits
(2) eight binary digits
(3) two binary digits
(4) two decimal digits
(5) none of these
19. Which of the following circuit is used as a 'Memory device' in computers?
(1) Rectifier
(2) Flip-Flop
(3) Comparator
(4) Attenuator
(5) None of these
20 . Which is/are the main provisions of Information Technology (IT) Act,
2000?
(1) Legal recognition to digital signatures and documents.
(2) Finalization of contracts through electronic media.
(3) Making hacking with computer system an office.
(4) All of the above
(5) None of these