In Android, which component allows an app to run in the background even when the user is not interacting with it? MCQ with Answer and Explanation

In Android, which component allows an app to run in the background even when the user is not interacting with it?
A. Content Provider
B. Broadcast Receiver
C. Activity
D. Service
Answer: Option D
Solution (By JKSSB Mock Tests)
Services are designed for background operations without a UI, like playing music or downloading files.

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Practice More Operating Systems Questions

Question #1
What type of operating system kernel includes all device drivers, file system handlers, and process management routines inside a single massive binary space running in privileged mode?
A. Asymmetric Kernel
B. Monolithic Kernel
C. Microkernel
D. Exokernel

Correct Answer: Option B


Explanation:
A monolithic kernel compiles all essential OS services directly into a single, comprehensive space, providing high performance at the expense of modular isolation.

This question belongs to: Computer Operating Systems
Question #2
Which of the following is a file system specifically designed for flash storage, used in many Android devices?
A. FAT32
B. NTFS
C. ext4
D. F2FS

Correct Answer: Option D


Explanation:
F2FS (Flash-Friendly File System) is optimized for NAND flash memory, improving performance and longevity on SSDs and SD cards.

This question belongs to: Computer Operating Systems
Question #3
Which Linux terminal command displays information detailing the underlying operating system kernel version and machine architecture metrics?
A. lsmod
B. uname -a
C. pwd
D. who

Correct Answer: Option B


Explanation:
The 'uname' command equipped with the '-a' flag outputs comprehensive platform details including kernel build tags and processor architecture.

This question belongs to: Computer Operating Systems