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

Question
What is the purpose of a memory expansion slot?
A. To allow additional RAM modules to be installed
B. To connect a hard disk
C. To provide power to memory
D. To add a graphics card
Answer: Option A
Solution (By JKSSB Mock Tests)
Memory expansion slots (DIMM slots) are used to add more RAM modules to increase system memory.
This question belongs to: Computer Memory and Storage Devices
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Practice More Memory and Storage Devices Questions

Question #1
Which of the following is a type of memory that uses magnetic domains to store data?
A. DRAM
B. Hard disk
C. Flash memory
D. CD-ROM
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Correct Answer: Option B

Explanation:
Hard disks store data magnetically on platters. Flash uses charge traps, optical uses pits, DRAM uses capacitors.
This question belongs to: Computer Memory and Storage Devices
Question #2
Which of the following is a type of memory that is used for storing the BIOS in a modern computer?
A. EPROM
B. Flash ROM
C. EEPROM
D. All of the above
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Correct Answer: Option D

Explanation:
Modern computers may use flash ROM, EEPROM, or EPROM for BIOS; however, flash ROM is most common. But all are non-volatile and can be used.
This question belongs to: Computer Memory and Storage Devices
Question #3
Which of the following is a non-volatile memory that can be reprogrammed using electrical pulses?
A. EEPROM
B. EPROM
C. PROM
D. Mask ROM
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Correct Answer: Option A

Explanation:
EEPROM is electrically erasable and reprogrammable, unlike EPROM which requires UV light. PROM is programmable once, and Mask ROM is fixed.
This question belongs to: Computer Memory and Storage Devices
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