A Level Unit 16 OS

Multiple Choice

Which of the following is NOT a component mentioned in the 'Internal Viewpoint' for organizing an operating system?

• I/O system

• CPU

• Memory

• User Interface

Multiple Choice

The medium-term scheduler is responsible for moving the program back from memory to the disk when memory gets crowded. True or False?

• True

• False

Multiple Choice

What is the role of the dispatcher in the process state diagram?

• To terminate the process

• To create a PCB

• To give access to the CPU

• To handle interrupts.

Multiple Choice

Fill in the blank: The process cannot progress until some events have happened, so it enters the ______ state.

• A) Ready

• B) Running

• C) Waiting

• D) Terminated

Multiple Choice

The process is in the ______ state when it is given access to the CPU by the dispatcher.

• A) Ready

• B) Running

• C) Waiting

• D) Terminated

Multiple Choice

Preemptive scheduling allows the operating system to interrupt a running process to execute another with ______.

• lower priority

• higher priority

• equal priority

• no priority

Multiple Choice

In preemptive scheduling, the operating system can interrupt a running process to execute another with ______ priority.

• lower

• higher

• equal

• no

Multiple Choice

In non-preemptive scheduling, a process runs until ______.

• it is interrupted by the system

• completion or voluntary suspension

• another process with higher priority arrives

• the system shuts down

Multiple Choice

What is the primary goal of the Round Robin algorithm?

• To maximize CPU utilization

• To minimize process waiting time

• To ensure equal CPU time for all processes

• To prioritize critical processes.

Multiple Choice

What is a priority-based scheduling algorithm?

• A method to assign CPU time based on process priority

• A method to assign CPU time based on process size

• A method to assign CPU time based on process age

• A method to assign CPU time based on process type.

Multiple Choice

Fill in the blank: In a priority-based scheduling algorithm, higher priority processes execute before ________ priority ones.

• lower

• equal

• higher

• random

Multiple Choice

Which process is labeled as 'very high priority' in the diagram?

• Process 1

• Process 2

• Process 3

• Process 4

Multiple Choice

What does the length of time already spent in the ready queue influence?

• Process priority

• Process color

• Process owner

• Process location

Multiple Choice

Fill in the blank: Whether a process is I/O bound or _______ bound is a factor in determining its priority.

• A) CPU

• B) Memory

• C) Network

• D) Disk

Multiple Choice

What is a factor in determining process priority?

• Estimated remaining time for execution

• Process color

• User's preference

• Network speed