GATE Exam  >  GATE Questions  >  Which one of the following is false about Pip... Start Learning for Free
Which one of the following is false about Pipelining?
  • a)
    Increases the CPU instruction throughput
  • b)
    Reduces the execution time of an individual instruction
  • c)
    Increases the program speed
  • d)
    1 and 2
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Which one of the following is false about Pipelining?a)Increases the C...
False Statement about Pipelining:

The false statement about pipelining is option 'B', which states that pipelining reduces the execution time of an individual instruction.

Explanation:

What is Pipelining?

Pipelining is a technique used in computer architecture to increase the instruction throughput and improve the performance of the CPU. It allows multiple instructions to be overlapped in execution, dividing them into smaller stages and processing them concurrently.

Benefits of Pipelining:

1. Increases CPU Instruction Throughput: Pipelining allows multiple instructions to be executed simultaneously, overlapping the stages of instruction fetch, decode, execute, memory access, and write-back. This increases the overall instruction throughput of the CPU.

2. Increases Program Speed: By increasing the instruction throughput, pipelining effectively reduces the time taken to complete a program. This results in faster program execution and improved overall program speed.

False Statement:

Pipelining does not reduce the execution time of an individual instruction. In fact, pipelining introduces a certain amount of overhead due to pipeline stalls, which can increase the execution time of individual instructions in some cases.

Pipeline Stalls:

Pipeline stalls occur when there is a dependency between instructions that prevents the next instruction from executing immediately. These dependencies can be data dependencies (where an instruction depends on the result of a previous instruction) or control dependencies (where the next instruction depends on a branch or jump instruction).

When a pipeline stall occurs, the pipeline must wait for the dependency to be resolved before proceeding with the next instruction. This introduces a delay and can increase the execution time of individual instructions.

Conclusion:

While pipelining improves the overall instruction throughput and program speed, it does not necessarily reduce the execution time of an individual instruction. Pipeline stalls and dependencies can introduce delays, which may result in increased execution time for certain instructions.
Free Test
Community Answer
Which one of the following is false about Pipelining?a)Increases the C...
In pipelining, each step operates parallel with other steps. It stores and executes instructions in an orderly manner.
The main advantages of using pipeline are :
  • It increases the overall instruction throughput. 
  • Pipeline is divided into stages and stages are connected to form a pipe-like structure.
  • We can execute multiple instructions simultaneously.
  • It makes the system reliable. 
  • It increases the program speed.
  • It reduces the overall execution time but does not reduce the individual instruction time.
​Therefore option 2 is the false statement about Pipelining
Explore Courses for GATE exam

Similar GATE Doubts

Which one of the following is false about Pipelining?a)Increases the CPU instruction throughputb)Reduces the execution time of an individual instructionc)Increases the program speedd)1 and 2Correct answer is option 'B'. Can you explain this answer?
Question Description
Which one of the following is false about Pipelining?a)Increases the CPU instruction throughputb)Reduces the execution time of an individual instructionc)Increases the program speedd)1 and 2Correct answer is option 'B'. Can you explain this answer? for GATE 2024 is part of GATE preparation. The Question and answers have been prepared according to the GATE exam syllabus. Information about Which one of the following is false about Pipelining?a)Increases the CPU instruction throughputb)Reduces the execution time of an individual instructionc)Increases the program speedd)1 and 2Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for GATE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which one of the following is false about Pipelining?a)Increases the CPU instruction throughputb)Reduces the execution time of an individual instructionc)Increases the program speedd)1 and 2Correct answer is option 'B'. Can you explain this answer?.
Solutions for Which one of the following is false about Pipelining?a)Increases the CPU instruction throughputb)Reduces the execution time of an individual instructionc)Increases the program speedd)1 and 2Correct answer is option 'B'. Can you explain this answer? in English & in Hindi are available as part of our courses for GATE. Download more important topics, notes, lectures and mock test series for GATE Exam by signing up for free.
Here you can find the meaning of Which one of the following is false about Pipelining?a)Increases the CPU instruction throughputb)Reduces the execution time of an individual instructionc)Increases the program speedd)1 and 2Correct answer is option 'B'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of Which one of the following is false about Pipelining?a)Increases the CPU instruction throughputb)Reduces the execution time of an individual instructionc)Increases the program speedd)1 and 2Correct answer is option 'B'. Can you explain this answer?, a detailed solution for Which one of the following is false about Pipelining?a)Increases the CPU instruction throughputb)Reduces the execution time of an individual instructionc)Increases the program speedd)1 and 2Correct answer is option 'B'. Can you explain this answer? has been provided alongside types of Which one of the following is false about Pipelining?a)Increases the CPU instruction throughputb)Reduces the execution time of an individual instructionc)Increases the program speedd)1 and 2Correct answer is option 'B'. Can you explain this answer? theory, EduRev gives you an ample number of questions to practice Which one of the following is false about Pipelining?a)Increases the CPU instruction throughputb)Reduces the execution time of an individual instructionc)Increases the program speedd)1 and 2Correct answer is option 'B'. Can you explain this answer? tests, examples and also practice GATE tests.
Explore Courses for GATE exam
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
10M+ students study on EduRev