Computer Knowledge For RBI Assistant Exam
1. 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
Ans (3) Temporary storage unit within the CPU having dedicated or general purpose use.
2. 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
Ans (4) All of the above
3. 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
Ans (2) Point at which data may leave or enter the computer.
4. 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
Ans (5) A computer programmer does total planning and thinking for a computer
5. 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
Ans. (4) PL/I is the acronym Peripheral Listing /Index
6. 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
Ans (4) Reflection and diffraction
7. 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
Ans (3) LASER stands for Light Amplification by Stimulated Emission of Radiation
8. 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
Ans (2) A byte consists of 8 bits—8 binary digits
9. 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
Ans (2) Flip-flop refers to an electronic component which can adopt one of two possible states -0 or 1.
10. 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
Ans (4) All of above
