Computer Quiz

1. Which of the following is the product of data processing?
a) information
b) data
c) software program
d) system

2. Primary advantage of key-to-tape data-entry systems?
a) A large percentage of editing can be performed at the time of data entry
b) Key verification is easily performed
c) The tape is reusable
d) Keying errors can be detected as they occur

3. Maximum character EBCDIC can code?
a) 8
b) 16
c) 64
d) 256

4. The hexadecimal number system has a base of?
a) 2
b) 4
c) 8
d) 16

5. The use of parity bit is for?
a) Coding
b) Indexing
c) Error-detection
d) None of these

6. Which of the following is true about primary storage?
a) it is a part of the CPU
b) It allows very fast access to data
c) It is relatively more expensive
d) all of the above

7. Which of the following is the most powerful type of the computer?
a) main frame
b) super conductor
c) micro computer
d) super computer

8. The following magazine covers only the IBM PC and its compatibles?
a) Byte
b) PC Magazine
c) Personal Computing
d) Interface Age

9. The word size of a microprocessor refers to?
a) The number of machine operations performed/ second
b) The amount of information that can be stored / cycle
c) The amount of information that can be stored in bytes
d) None of these

10. The primary memory of a personal computer consists?
a) ROM only
b) RAM only
c) Both ROM and RAM
d) Memory module