Question 1

What is the primary role of an operating system?

Accepted Answer

Manage hardware and software resources. The OS acts as an intermediary between hardware and software, managing CPU, memory, storage, and I/O devices for all running programs.

Question 2

What does CPU stand for?

Accepted Answer

Central Processing Unit. CPU stands for Central Processing Unit — the primary chip that executes instructions. It performs arithmetic, logic, and control operations.

Question 3

What is RAM used for?

Accepted Answer

Temporarily storing data for running programs. RAM (Random Access Memory) provides fast, temporary storage for programs and data in use. It loses content when power is off — unlike a hard drive.

Question 4

What is a process in an operating system?

Accepted Answer

A running instance of a program. A process is a program in execution. It has its own memory space and resources. Multiple processes can run from the same program file simultaneously.

Question 5

What is a deadlock?

Accepted Answer

A situation where two or more processes wait for each other indefinitely. Deadlock occurs when processes form a circular dependency — each waits for a resource held by another, so none can proceed.

Operating Systems — Campus Interview Questions

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