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Welcome to the Pipeline and Vector Processing MCQs Page

Dive deep into the fascinating world of Pipeline and Vector Processing with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Pipeline and Vector Processing, a crucial aspect of Computer Architecture. In this section, you will encounter a diverse range of MCQs that cover various aspects of Pipeline and Vector Processing, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Computer Architecture.

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Check out the MCQs below to embark on an enriching journey through Pipeline and Vector Processing. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Computer Architecture.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Pipeline and Vector Processing. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Pipeline and Vector Processing MCQs | Page 18 of 21

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Q171.
Indicating which of the four steps the instruction is in, is provided by

a.

Instruction set

b.

Instruction ID

c.

Instruction decoding

d.

Instruction status

Discuss
Answer: (d).Instruction status
Q172.
In pipelines with long-running operations, the possible caused issue is called

a.

In-rage completion

b.

Out-of-range completion

c.

Out-of-order completion

d.

In-order completion

Discuss
Answer: (c).Out-of-order completion
Q173.
The effective pipeline speedup with branch penalties, assuming an ideal CPI of 1, is

a.

Pipeline speedup=Pipeline depth/1 + Branch frequency

b.

Pipeline speedup=Pipeline depth/1 - Branch frequency

c.

Pipeline speedup=Pipeline depth*(1 + Branch frequency

d.

Pipeline speedup=Pipeline depth/2 + Branch frequency

Discuss
Answer: (a).Pipeline speedup=Pipeline depth/1 + Branch frequency
Q174.
For execution, branch instructions require 2 cycles, store instructions require 4 cycles, and all other instructions require

a.

2 cycles

b.

3 cycles

c.

4 cycles

d.

5 cycles

Discuss
Answer: (d).5 cycles
Q175.
If the stages are perfectly balanced, then the time per instruction on the pipelined processor, is equal to

a.

Time per instruction on unpipelined machine/ no of piped stages

b.

Time per instruction on unpipelined machine* no of piped stages

c.

Time per instruction on unpipelined machine + no of piped stages

d.

Time per instruction on unpipelined machine - no of piped stages

Discuss
Answer: (a).Time per instruction on unpipelined machine/ no of piped stages
Q176.
If the buffer is a queue with multiple instructions, it stalls when the queue

a.

Fills

b.

Gets empty

c.

Is half

d.

None of above

Discuss
Answer: (a).Fills
Q177.
Instruction used in sequences to implement a more complex instruction set, is called a

a.

Resuming

b.

Nullifying

c.

Macroinstruction

d.

Microinstruction

Discuss
Answer: (d).Microinstruction
Q178.
A processor with separate decode and register fetch stages will probably have a

a.

Canceling

b.

Nullifying

c.

Branch delay

d.

Branch table

Discuss
Answer: (c).Branch delay
Q179.
If some combination of instructions cannot be accommodated because of resource conflicts, the processor is said to have a

a.

Data hazard

b.

Structural hazard

c.

Pipeline hazard

d.

Stall

Discuss
Answer: (b).Structural hazard
Q180.
Assume that processor has a 1 ns clock cycle and that it uses 4 cycles for ALU operationsand branches and 5 cycles for memory and the relative frequencies of these operations are 40%, 20%, and 40%, respectively, then the average instruction execution time on the unpipelined processor is

a.

4.4 ns

b.

4.2 ns

c.

3.4 ns

d.

3.2 ns

Discuss
Answer: (a).4.4 ns
Page 18 of 21

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