Which of the following is a valid memory unit in the SI system? MCQ with Answer and Explanation

Which of the following is a valid memory unit in the SI system?
A. Megabyte
B. All of the above
C. Gigabit
D. Kilobit
Answer: Option B
Solution (By JKSSB Mock Tests)
Bits and bytes with SI prefixes (kilo, mega, giga) are all valid units. However, in computing, binary multiples are more common for memory capacities.

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Memory and Storage Devices Questions

Question #1
What is the purpose of a memory expansion slot?
A. To connect a hard disk
B. To add a graphics card
C. To provide power to memory
D. To allow additional RAM modules to be installed

Correct Answer: Option D


Explanation:
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
Question #2
How many bits are contained within a data block size of exactly 4 Bytes?
A. 64 bits
B. 32 bits
C. 128 bits
D. 16 bits

Correct Answer: Option B


Explanation:
Since one byte is strictly defined as 8 bits, a 4-byte block contains exactly $4 imes 8 = 32$ bits.

This question belongs to: Computer Memory and Storage Devices
Question #3
Which type of memory is used as main system memory in most computers?
A. DRAM
B. ROM
C. Flash
D. SRAM

Correct Answer: Option A


Explanation:
DRAM (Dynamic RAM) is commonly used as the main memory (system RAM) in computers due to its higher density and lower cost compared to SRAM, although it requires periodic refreshing.

This question belongs to: Computer Memory and Storage Devices