This section contains more frequently asked Computer Organization Multiple Choice Questions and Answers in the various University Level and Competitive Examinations.
PRACTICE IT NOW TO SHARPEN YOUR CONCEPT AND KNOWLEDGE
1. The instructions which copy information from one location to another either in the processor’s internal register set or in the external main memory are called
- Data transfer instructions.
- Program control instructions.
- Input-output instructions.
- Logical instructions.
A. Data transfer instructions.
2. A device/circuit that goes through a predefined sequence of states upon the application of input pulses is called
- register
- flip-flop
- transistor
- counter
D. counter
3. The performance of cache memory is frequently measured in terms of a quantity called
- Miss ratio.
- Hit ratio.
- Latency ratio.
- Read ratio.
C. Latency ratio.
4. The information available in a state table may be represented graphically in a
- simple diagram.
- state diagram.
- complex diagram.
- data flow diagram.
B. state diagram.
5. Content of the program counter is added to the address part of the instruction in order to obtain the effective address is called.
- relative address mode.
- index addressing mode.
- register mode.
- implied mode.
A. relative address mode.
6. An interface that provides I/O transfer of data directly to and form the memory unit and peripheral is termed as
- DDA
- Serial interface.
- BR
- DMA
D. DMA
7. The 2s compliment form (Use 6 bit word) of the number 1010 is
- 111100
- 110110
- 110111
- 1011
B. 110110
8. A register capable of shifting its binary information either to the right or the left is called a
- parallel register.
- serial register.
- shift register.
- storage register.
C. shift register.
9. What is the content of Stack Pointer (SP)?
- Address of the current instruction
- Address of the next instruction
- Address of the top element of the stack
- Size of the stack.
C. Address of the top element of the stack
10. Which of the following interrupt is non maskable
- INTR
- RST 7.5.
- RST 6.5.
- TRAP.
D. TRAP.
