GateQA — Free GATE CS Previous Year Questions & Mock Tests

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GateQA — Free GATE CS Preparation Platform

GateQA is a free GATE CS preparation platform featuring 3,500+ previous-year questions (1987–2026), 36,000+ aptitude questions, subject-wise and year-wise mock tests, performance analytics, and full offline support. Practice Operating Systems, Algorithms, DBMS, Computer Networks, Theory of Computation, Discrete Mathematics, Compiler Design, Digital Logic, and more.

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Operating System

GATE CSE 1998 | Question: 1.32

Subject: Operating System
Paper: 1998
A computer has six tape drives, with $n$ processes competing for them. Each process may need two drives. What is the maximum value of $n$ for the system to be deadlock free?
Answer: B

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