List-I (System Classification) A. Real-Time OS B. Time-Sharing OS C. Clustered System D. Distributed OS List-II (Defining Operational Trait) Minimizes response time for multiple interactive users Rigid time bounds; missing a deadline is a failure Combines multiple physical CPUs to provide high availability Loosely coupled hardware communicating over a network

A-2, B-1, C-3, D-4 Explanation: Each operating system type matches its core operational trait as follows: A. Real-Time OS 2 : Designed for systems where operations must meet rigid time bounds and strict deadlines; missing a deadline is considered a critical system failure. B. Time-Sharing OS 1 : Uses CPU scheduling and multiprogramming to rapidly switch between tasks, minimizing response time for multiple interactive users simultaneously. C. Clustered System 3 : Combines multiple physical CPUs/nodes into a single system structure to share storage and provide high availability and redundancy. D. Distributed OS 4 : Manages a collection of independent, loosely coupled hardware systems (nodes) that communicate and coordinate via a network. Therefore, the correct mapping sequence is A-2, B-1, C-3, D-4 .

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CUET PG 2026 — operating system os PYQ

CUET PG | operating system os | 2026

List-I (System Classification)

A. Real-Time OS

B. Time-Sharing OS

C. Clustered System

D. Distributed OS

List-II (Defining Operational Trait)

Minimizes response time for multiple interactive users

Rigid time bounds; missing a deadline is a failure

Combines multiple physical CPUs to provide high availability

Loosely coupled hardware communicating over a network

Choose the correct answer: