Q. The computer device primarily used to provide hard copy is the
1) CRT
2) Line Printer
3) Computer Console
4) Card Reader
Q. Consider the following statements about Internet facility:
1) It serves as the largest one-line information system.
2) It provides the most dependable and latest mode for sending E-mail.
3) Recurring expenditure on communication E-mail is very high.
4) It is often misused and has triggered cyber-crimes.
Q. Which is/are the main provisions of Information Technology (IT) Act, 2000?
1) Finalisation of contracts through electronic media.
2) Legal recognition to digital signatures and documents.
3) Making hacking with computer system an office.
4) All of the above
Q. Which of the following circuit is used as a 'Memory device' in computers?
1) Rectifier
2) Flip-Flop
3) Comparator
4) Attenuator
Q. 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
Q. For reproducing sound, a CD (Compact Disc) audio player uses a
1) quartz crystal
2) titanium needle
3) laser beam
4) barium titanium ceramic
Q. 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
Q. 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) PL/I is the acronym Peripheral Listing /Index
4) Program or routine is a set sequence of instructions given to computer for problem solving
Q. Terminal is a
1) device used to give supply to a computer
2) Point at which data may leave or enter the computer
3) point where wires are interconnected
4) an input/output device
Q. 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
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