Computer Architecture MCQ Questions and Answers for Practice

1. The address in the main memory is known as

1. Logical address
2. Physical address
3. Memory address
4. None of the above

2. The addressing mode which makes use of in-direction pointers is

1. Indirect addressing mode
2. Index addressing mode
3. Relative addressing mode
4. offset addressing mode

3. The addressing mode, where you directly specify the operand value is

1. Immediate
2. Direct
3. Definite
4. Relative

4. The addressing mode/s, which uses the PC instead of a general purpose register is

1. Indexed with offset
2. Relative
3. Direct
4. Both Indexed with offset and direct

5. The algorithm which removes the recently used page first is

1. LRU
2. MRU
3. OFM
4. None of the mentioned

6. The algorithm which replaces the block which has not been referenced for a while is called

1. LRU
2. ORF
3. Direct
4. Both LRU and ORF

7. The benefit of using this approach is

1. It is cost effective
2. It is highly efficient
3. It is very reliable
4. It increases the speed of operation

8. The bits 1 & 1 are recorded as............in bit-pair recording.

1. -1
2. 1
3. both -1 and 0

9. The bus used to connect the monitor to the CPU is

1. PCI bus
2. SCSI bus
3. Memory bus
4. Rambus

10. The chip can be disabled or cut off from an external connection using

1. Chip select
2. LOCK
3. ACPT
4. RESET

11. The collection of 8-bits is called as

1. Byte
2. Nibble
3. Word
4. Record

12. The collection of the above mentioned entities where data is stored is called

1. Block
2. Set
3. Word
4. Byte

13. The computer architecture aimed at reducing the time of execution of instructions is

1. CISC
2. RISC
3. ISA
4. ANNA

14. The condition flag Z is set to 1 to indicate

1. The operation has resulted in an error
2. The operation requires an interrupt call
3. The result is zero
4. There is no empty register available

15. The contention for the usage of a hardware device is called

1. Structural hazard
2. Stalk
3. Deadlock
4. None of the mentioned