List-I (PCB Attribute) A. Program Counter B. PID C. CPU Registers D. Open File List List-II (Purpose) Unique integer ID assigned to identify the process Tracks the memory address of the next execution step Stores accumulators and stack pointers during interrupt stops Tracks files currently allocated to this specific process

A-2, B-1, C-3, D-4 Explanation: A. Program Counter -> 2: The Program Counter indicates the address of the next instruction/execution step to be executed for this process. B. PID -> 1: PID (Process IDentifier) is a unique integer value assigned by the operating system to uniquely identify each active process. C. CPU Registers -> 3: Includes registers like accumulators, index registers, stack pointers, and general-purpose registers that store state information when an interrupt or context switch occurs. D. Open File List -> 4: This section of the PCB maintains information about the list of I/O devices and files currently opened and allocated to the process.

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CUET PG 2026 — operating system os PYQ

CUET PG | operating system os | 2026

List-I (PCB Attribute)

A. Program Counter

B. PID

C. CPU Registers

D. Open File List

List-II (Purpose)

Unique integer ID assigned to identify the process

Tracks the memory address of the next execution step

Stores accumulators and stack pointers during interrupt stops

Tracks files currently allocated to this specific process

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