List-I (Overhead Component) A. TLB Flushing B. Register Saving C. Cache Coldness D. State Restoration List-II (Impact on Hardware Performance) Causes severe cache misses upon entering the new process space Stores the current CPU active state into the PCB structure Clears address translation lookups, forcing slow page walks Loads state variables from the next process PCB into CPU registers

A-3, B-2, C-1, D-4 Explanation: A. TLB Flushing 3. Clears address translation lookups, forcing slow page walks TLB (Translation Lookaside Buffer) flush hone par address translations invalidate ho jate hain, jisse CPU ko page tables search karne padte hain (page walks). B. Register Saving 2. Stores the current CPU active state into the PCB structure Running process ki CPU registers, program counter, and flags values ko current process ke Process Control Block (PCB) me save kiya jata hai. C. Cache Coldness 1. Causes severe cache misses upon entering the new process space Jab naya process execution start karta hai, CPU cache me uske instructions/data nahi hote (cold cache), jisse starting me severe cache misses hote hain. D. State Restoration 4. Loads state variables from the next process PCB into CPU registers CPU me next

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CUET PG 2026 — operating system os PYQ

CUET PG | operating system os | 2026

List-I (Overhead Component)

A. TLB Flushing

B. Register Saving

C. Cache Coldness

D. State Restoration

List-II (Impact on Hardware Performance)

Causes severe cache misses upon entering the new process space

Stores the current CPU active state into the PCB structure

Clears address translation lookups, forcing slow page walks

Loads state variables from the next process PCB into CPU registers

Choose the correct answer: