In Android, what is the name of the application framework that allows apps to interact with system services? MCQ with Answer and Explanation

In Android, what is the name of the application framework that allows apps to interact with system services?

A. Android Framework

B. Dalvik Virtual Machine

C. ART (Android Runtime)

D. Linux Kernel

Answer: Option A

The Android Framework provides APIs for apps to access system services like location, sensors, and notifications.

This question belongs to: Computer Operating Systems

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Question #1 Report Error

Which Linux command is used to display the current user's identity?

A. users

B. who

C. id

D. whoami

Correct Answer: Option D

Explanation:
whoami prints the effective username; id shows user and group IDs.

This question belongs to: Computer Operating Systems

Question #2 Report Error

What is the primary purpose of the Android Kernel?

A. To provide a user interface

B. To handle network connectivity

C. To manage hardware resources such as CPU, memory, and drivers

D. To run Java applications

Correct Answer: Option C

Explanation:
Android's kernel (based on Linux) manages hardware, memory, and processes; user interface and app runtime are higher layers.

This question belongs to: Computer Operating Systems

Question #3 Report Error

Which Linux command is used to add a new user to the system?

A. usermod

B. adduser

C. useradd

D. newuser

Correct Answer: Option C

Explanation:
useradd is the low-level command; adduser is a friendlier front-end on some distros, but useradd is common.

This question belongs to: Computer Operating Systems