Dear Aspirants,
Welcome to D2G’s Computer Quiz. In upcoming clerk exam Computer section too plays a major role. It carries equal marks (40) similar to other sections. So do concentrate on this also.

1. An adder which adds three binary digits and outputs a result bit and a carry bit is referred as?
a) Half adder
b) Quarter adder
c) Full adder
d) None of these

2. Emulator is a program that?
a) Permits one computer to execute the machine-language instructions of another computer of a different make
b) Which is not broken down into smaller units
c) Permits one computer to execute the machine-language instructions of another computer of same make.
d) None of these

3. A device used for transmission of images scanned at a transmitting point and duplicated at a receiving point is ?
a) Facsimile (FAX)
b) Telephone
c) Photocopier
d) None of these

4. Speech synthesis is?
a) The ability to input data directly into a computer system by speaking to it
b) The ability to output data directly from a computer system in spoken words
c) Processing of voice in computer systems
d) None of these.

5. Data communications involving telegraph lines uses?
a) simplex lines
b) wideband channels
c) narrowband channels
d) dialed service

6. An advantage of the laser printer respect to impact printer is?
a) it is quieter/ faster
b) output is of a high quality
c) support wide range of type fonts
d) all the above

7. Data entry can be performed with all of the following except?
a) OCR / OMR
b) COM
c) Voice-recognition systems
d) MICR

8. A symbol to indicate beginning (START), ending (STOP) and pauses (HALT) in program logic flow are referred as?
a) Terminal symbol
b) Decision symbol
c) Processing symbol
d) None of these

9. Portability is program ability to run on?
a) dissimilar machines with minimum modification
b) similar machines with maximum modification
c) dissimilar machines with maximum modification
d) similar machines with maximum modification

10. A protocol that specifies how a personal computer can connect to a mail server on the Internet and download E-mail is  known as?
a) Post office protocol
b) System protocol
c) Network protocol
d) None of these