CS501-Advanced Computer Architecture Quiz MCQS #Objective #Questions #FinalTerm
1. In which one of the following methods, does the CPU poll to identify the interrupting module and branches to an interrupt service routine on detecting an interrupt?
- Daisy Chain
- Software Poll ✔
- Multiple interrupt lines
- All of the given
2. Human works with base 10 and computers work with base ___
- 8
- 10
- 2 ✔
- 16
3. ___ is an electrical pathway through which processor communicates with the internal and external devices attached to the computer.
- Computer Bus ✔
- Hazard
- Memory
- Disk
4. An interface that can be used to connect the microcomputer bus to ___ is called an I/O Port.
- Flip Flops
- Memory
- Peripheral devices ✔
- Multiplexers
5. Which is the last instruction of the ISR that is to be executed when the ISR terminates?
- IRET ✔
- IRQ
- INT
- NMI
6. ___ is the simplest form for representing a signed number
- Biased Representation
- Diminished Radix Compliment Form
- Sign Magnitude Form ✔
- None
7. Raid Level ___ is not a true member of the RAID family
- 0 ✔
- 2
- 3
- 4
8. Which I/O technique will be used by a sound card that may need to access data stored in the computer’s RAM?
- Programmed I/O
- Interrupt driven I/O
- Direct memory access (DMA) ✔
- Polling
9. Where does the processor store the address of the first instruction of the ISR?
- Interrupt vector ✔
- Interrupt request
- Interrupt handler
- All of the given
10. When a particular sector is found, the data is transferred to ___
- RAM
- I/O module ✔
- Cache memory
- Instruction register
11. ___ is the time needed by the CPU to recognize (not service) an interrupt request.
- Interrupt Latency ✔
- Response Deadline
- Timer delay
- Throughput
12. The ___ is w-bit wide and contains a data word, directly connected to the data bus which is b-bit wide memory address register (MAR).
- memory buffer register (MBR) ✔
- Program Counter (PC)
- Instruction Register (IR)
- Memory address register (MAR)
13. Adding an address pin to a memory chip increases the capacity of memory by a factor of ___
- 1.5
- 2 ✔
- 2.5
- 3
14. The main issue/s in error control is/are ___
- Detection of Error
- Correction of Error
- Both Detection of Error and Correction of Error ✔
- Avoidance of Error
15. Along with information bits, we add up another bit, which is called?
- Start bit
- Header bit
- Parity bit ✔
- Stop bit
16. The conversion of numbers from a representation in one base to another is known as ___
- Radix Conversion ✔
- Number Representation
- Decimal Representation
- Hexadecimal Representation
17. Why DMA is faster than Programmed I/O technique because?
- DMA transfers data directly using CPU
- DMA transfers data directly without using CPU ✔
- DMA uses buffers with CPU
- DMA uses interrupted driven I/O
18. Multiple copies of the same data can exist in memory hierarchy simultaneously. The Cache needs updating mechanishm to prevent old data values from being used. This is the problem of ___
- Cache Miss
- Dirty Bit
- Cache Coherence ✔
- Write Allocate
19. ___ is the simplest form for representing a signed number
- Biased Representatin
- Diminished Radix Compliment Form
- Sign Magnitude Form ✔
- None
20. ___depends upon the present position of the head and the position of the required sector.
- Direct Memory Access ✔
- Execution Time
- Throughput
- Seektime
21. In which technique does the hardware directly access host memory for reading or writing independent of CPU?
- Direct Memory Access (DMA) ✔
- Programmed I/O
- Interrupt driven I/O
- Polling
