Q. Which of the following addressing modes are suitable for program relocation at run time ?

(i) Absolute addressing
(ii) Based addressing
(iii) Relative addressing
(iv) Indirect addressing

View solution

Q. Let A = 1111 1010 and B = 0000 1010 be two 8-bit 2's complement numbers. Their product in 2's complement is

View solution

Q. A 4-stage pipeline has the stage delays as 150, 120, 160 and 140 nanoseconds respectively. Registers that are used between the stages have a delay of 5 nanoseconds each. Assuming constant clocking rate, the total time taken to process 1000 data items on this pipeline will be

View solution

Q. Spatial locality refers to the problem that once a location is referenced

View solution

Q. The Principle of locality justifies the use of

View solution

Q. A system that has a lot of crashes, data should be written to the disk using?

View solution

Q. Which addressing mode is suitable for a high-level language statement?

View solution

Q. Which memory unit has the lowest access time?

View solution

Q. In a 16-bit instruction code format 3-bit operation code, 12-bit address, and 1 bit is assigned for address mode designation. For indirect addressing, the mode bit is

View solution

Q. A 32-bit address bus allows access to a memory of capability

View solution

Q. Pipelining improves CPU performance due to?

View solution

Q. The system bus consists of

View solution

Q. An instruction cycle refers to

View solution

Q. A hardware interrupt is

View solution

Q. Which of the following is not involved in a memory write operation?

View solution

Q. To prevent signals from colliding on the bus, ……………….. Prioritize access to memory by I/o channels and processors.

View solution

Q. …………… improve system performance by temporarily storing data during transfers s/w devices or processers that operate at different speeds.

View solution

Q. Addressing mode is …………………

View solution

Q. Which of the following is not a valid class of interrupts?
1) Program
2) Timer
3) I/o
4) Hardware failure

View solution

Q. System calls are usually invoked by using

1) An indirect jump
2) A software interrupt
3) Polling
4) A privileged instruction

View solution