What is the purpose of a memory map? MCQ with Answer and Explanation

What is the purpose of a memory map?
A. To track free memory blocks
B. To store data in a hierarchical manner
C. To assign physical addresses to memory devices
D. To allocate cache lines
Answer: Option C
Solution (By JKSSB Mock Tests)
A memory map defines the layout of physical memory, including the address ranges assigned to different types of memory (RAM, ROM, I/O devices) in a system.

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Practice More Memory and Storage Devices Questions

Question #1
Which of the following is a type of memory that is used to store the operating system?
A. Hard disk
B. ROM
C. RAM
D. Cache

Correct Answer: Option C


Explanation:
The operating system is loaded from secondary storage (hard disk) into RAM (primary storage) for execution. During execution, it resides in RAM.

This question belongs to: Computer Memory and Storage Devices
Question #2
Which memory technology is non-volatile and can be electrically erased and reprogrammed?
A. Mask ROM
B. EEPROM
C. PROM
D. EPROM

Correct Answer: Option B


Explanation:
EEPROM (Electrically Erasable PROM) can be erased and reprogrammed using electrical signals, without the need for UV light, unlike EPROM.

This question belongs to: Computer Memory and Storage Devices
Question #3
What is the function of a memory stick (pen drive) in terms of storage?
A. It is a type of RAM
B. It is a magnetic storage medium
C. It is a type of optical disc
D. It is a removable flash storage device

Correct Answer: Option D


Explanation:
A pen drive (USB flash drive) is a removable storage device using flash memory, non-volatile and portable.

This question belongs to: Computer Memory and Storage Devices