This section contains more frequently asked Computer Organization Questions and Answers in the various University Level and Competitive Examinations.
1. The circuit used to store one bit of data is known as
- Encoder
- OR gate
- Flip Flop
- Decoder
C. Flip Flop
2. Cache memory acts between
- CPU and RAM
- RAM and ROM
- CPU and Hard Disk
- None of these
A. CPU and RAM
3. Write Through technique is used in which memory for updating the data
- Virtual memory
- Main memory
- Auxiliary memory
- Cache memory
D. Cache memory
4. Generally Dynamic RAM is used as main memory in a computer system as it
- Consumes less power
- has higher speed
- has lower cell density
- needs refreshing circuitary
B. has higher speed
5. In signed-magnitude binary division, if the dividend is (11100) 2 and divisor is (10011) 2 then the result is
- (00100) 2
- (10100) 2
- (11001) 2
- (01100) 2
B. (10100) 2
6. Virtual memory consists of
- Static RAM
- Dynamic RAM
- Magnetic memory
- None of these
A. Static RAM
7. In a program using subroutine call instruction, it is necessary
- initialise program counter
- Clear the accumulator
- Reset the microprocessor
- Clear the instruction register
D. Clear the instruction register
8. A Stack-organised Computer uses instruction of
- Indirect addressing
- Two-addressing
- Zero addressing
- Index addressing
C. Zero addressing
9. If the main memory is of 8K bytes and the cache memory is of 2K words. It uses associative mapping. Then each word of cache memory shall be
- 11 bits
- 21 bits
- 16 bits
- 20 bits
C. 16 bits
10. A-Flip Flop can be converted into T-Flip Flop by using additional logic circuit
- n TQD =•
- T D =
- D = T . Q n
- n TQD =⊕
D. n TQD =⊕