What is the purpose of the Android 'Package Installer'? MCQ with Answer and Explanation

Question

Share Report Error

What is the purpose of the Android 'Package Installer'?

A. To update system packages

B. To manage app permissions

C. To uninstall applications

D. To install APK files on the device

Answer: Option D

Solution (By JKSSB Mock Tests)

Package Installer handles the installation of .apk files, verifying signatures and asking for permissions.

This question belongs to: Computer Operating Systems

Request complete Subject PDF

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Operating Systems Questions

Question #1

Share Report

Which of the following is a type of process scheduling algorithm that uses multiple queues with different priorities?

A. Priority Scheduling

B. Multilevel Queue Scheduling

C. First-Come, First-Served

D. Round Robin

View Answer & Solution Discuss

Get Complete Subject PDF for Computer

Correct Answer: Option B

Explanation:
Multilevel queue partitions processes into separate queues based on priority, with scheduling policies for each queue.

This question belongs to: Computer Operating Systems

Question #2

Share Report

Which term describes the operational condition where a CPU is constantly swapping memory pages between RAM and disk, leading to massive system slowdown?

A. Caching

B. Paging

C. Multiprocessing

D. Thrashing

View Answer & Solution Discuss

Get Complete Subject PDF for Computer

Correct Answer: Option D

Explanation:
Thrashing occurs when virtual memory resources are overused, causing the OS to spend more time moving data between disk and RAM than executing actual application instructions.

This question belongs to: Computer Operating Systems