Which Android version introduced the concept of runtime permissions, allowing users to grant or deny permissions dynamically rather than during app installation? MCQ with Answer and Explanation

Question

Which Android version introduced the concept of runtime permissions, allowing users to grant or deny permissions dynamically rather than during app installation?

A. Android 6.0 Marshmallow

B. Android 2.3 Gingerbread

C. Android 4.4 KitKat

D. Android 5.0 Lollipop

Answer: Option A

Solution (By JKSSB Mock Tests)

Android 6.0 Marshmallow completely overhauled the application permission model by introducing runtime permissions to enhance user data security.

This question belongs to: Computer Operating Systems

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What mechanism does an OS use to instantly notify the CPU that an event requiring immediate attention has occurred?

A. Interrupt

B. System Call

C. Thread

D. Spooling

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Correct Answer: Option A

Explanation:
An interrupt is a hardware or software signal sent to the CPU, causing it to temporarily suspend current tasks to execute an Interrupt Service Routine (ISR).

This question belongs to: Computer Operating Systems