Which of the following is a type of memory that is used for storing the operating system in a smartphone? MCQ with Answer and Explanation

Which of the following is a type of memory that is used for storing the operating system in a smartphone?
A. DRAM
B. eMMC
C. SRAM
D. ROM
Answer: Option B
Solution (By JKSSB Mock Tests)
Smartphones use eMMC or UFS flash storage for the operating system and apps, while DRAM is used for runtime.

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Practice More Memory and Storage Devices Questions

Question #1
Which of the following is used to measure the data transfer rate of a memory bus?
A. Bytes per second
B. Both A and B
C. Bits per second
D. Hertz

Correct Answer: Option B


Explanation:
Data transfer rate can be expressed in bytes per second (e.g., MB/s) or bits per second (e.g., Mbps), and the bus clock is in Hz. But the rate is typically Bps or bps.

This question belongs to: Computer Memory and Storage Devices
Question #2
In a computer system, where is the BIOS (Basic Input/Output System) firmware permanently stored?
A. Hard Disk Drive
B. RAM
C. ROM Chip
D. Cache Memory

Correct Answer: Option C


Explanation:
The BIOS firmware is stored on a non-volatile ROM or flash memory chip on the motherboard to ensure it is always available during the boot process.

This question belongs to: Computer Memory and Storage Devices
Question #3
Which of the following is a type of memory that is used for storing the BIOS settings?
A. CMOS RAM
B. Flash ROM
C. DRAM
D. SRAM

Correct Answer: Option A


Explanation:
CMOS RAM (often powered by a battery) stores BIOS settings such as date, time, and hardware configuration. It is non-volatile but small.

This question belongs to: Computer Memory and Storage Devices