Process Control Block (PCB) Components List-I A. Program Counter B. CPU Registers C. Memory Management Info D. Accounting Info List-II Memory limits, page tables, or segment definitions. Process state, priority, and execution metrics. Address of the next instruction to be executed. Accumulators, index registers, and stack pointers.

A-3, B-4, C-1, D-2 Explanation: Each Process Control Block (PCB) component corresponds to a specific function: A. Program Counter 3 : Stores the memory address of the next instruction that the process needs to execute. B. CPU Registers 4 : Includes hardware components such as accumulators, index registers, stack pointers, and general-purpose registers where state information is saved during interrupts. C. Memory Management Info 1 : Contains crucial memory-related data such as base and limit registers, page tables, or segment tables depending on the operating system's memory architecture. D. Accounting Info 2 : Keeps track of CPU usage time, time limits, execution metrics, job/process numbers, and process states for monitoring and resource allocation. Therefore, the correct mapping is A-3, B-4, C-1, D-2 .

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CUET PG 2026 — operating system os PYQ

CUET PG | operating system os | 2026

Process Control Block (PCB) Components

List-I

A. Program Counter

B. CPU Registers

C. Memory Management Info

D. Accounting Info

List-II

Memory limits, page tables, or segment definitions.

Process state, priority, and execution metrics.

Address of the next instruction to be executed.

Accumulators, index registers, and stack pointers.

Choose the correct answer: