List-I (Process Termination Term): A. Zombie Process B. Orphan Process C. Cascading Termination D. abort() List-II (Definitive Meaning): Parent terminated without calling wait(), adopted by init Process terminated, but its exit status is still in the PCB table Severe exit policy where killing parent drops all children Abruptly terminates a child process due to resource over-use

A-2, B-1, C-3, D-4 Explanation: A. Zombie Process (2): A process that has finished execution but still has an entry in the Process Control Block (PCB) table because its parent hasn't read its exit status using wait() . B. Orphan Process (1): A child process whose parent process has terminated without calling wait() . These processes are adopted by the init process (PID 1). C. Cascading Termination (3): A process termination mechanism where if a parent process terminates, all its child processes are also automatically terminated by the operating system. D. abort() (4): A system call used by a parent process to forcefully terminate a child process, often due to exceeding resource limits or assigned tasks no longer being required. Correct Matching: 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 (Process Termination Term):

A. Zombie Process

B. Orphan Process

C. Cascading Termination

D. abort()

List-II (Definitive Meaning):

Parent terminated without calling wait(), adopted by init

Process terminated, but its exit status is still in the PCB table

Severe exit policy where killing parent drops all children

Abruptly terminates a child process due to resource over-use

Choose the correct answer: