The maximum number of processes that can be in Ready state for a computer system with n CPUs is
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GATE CSE 2015 Set 3 · Q1
Time
Select one answerSingle correct
Solution
Official answer: D) Independent of n
Processes, Threads and IPCThe number of CPUs () determines the maximum number of processes that can simultaneously be in the Running state, which is at most .
In contrast, the Ready state consists of all processes residing in the ready queue that are waiting to be allocated a CPU. The capacity of the ready queue depends on system resources such as main memory and operating system configuration, not on the number of processors .
Therefore, the maximum number of processes that can be in the *Ready* state is Independent of (Option D).
Try the question first, then check your work.
Examiner trap
Distinguish between the *Running* state (which depends on the number of available CPUs) and the *Ready* state (processes waiting in the ready queue).
This Processes, Threads and IPC previous year question is Q1 of the GATE CSE 2015 Set 3 paper. Find more GATE CSE PYQs on Processes, Threads and IPC in Operating Systems, or browse all GATE CSE PYQs.
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Processes, Threads and IPC has 15 GATE CSE PYQs across 13 papers from 2011 to 2026. 7 of them are 1-mark MCQs like this one, and it is the only one in GATE CSE 2015 Set 3.
How GATE tests Processes, Threads and IPCIndependent practice explanation verified by the GateAI team. GATE is conducted by the IITs; question text follows the official paper.