Which of the following is a common interface for optical drives? MCQ with Answer and Explanation

Question
Which of the following is a common interface for optical drives?
A. All of the above
B. SATA
C. SCSI
D. IDE
Answer: Option A
Solution (By JKSSB Mock Tests)
Optical drives have been available with SATA, IDE, and SCSI interfaces, though SATA is the most common in modern systems.
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 is used in networking devices?
A. SRAM
B. Flash
C. All of the above
D. DRAM
Discuss
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Correct Answer: Option C

Explanation:
Networking devices use various memory types: DRAM for packet buffers, SRAM for routing tables, and Flash for firmware storage.
This question belongs to: Computer Memory and Storage Devices
Question #2
Which of the following is a characteristic of flash memory?
A. It is used only for firmware
B. It has no moving parts
C. It is slower than DRAM
D. It is volatile
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Correct Answer: Option B

Explanation:
Flash memory is non-volatile and has no moving parts (solid-state). It is used in SSDs, pen drives, and memory cards. It is slower than DRAM but faster than HDDs.
This question belongs to: Computer Memory and Storage Devices
Question #3
What is the function of a memory buffer register (MBR)?
A. To store the instruction
B. To hold data read from or written to memory
C. To hold the memory address
D. To manage cache
Discuss
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Correct Answer: Option B

Explanation:
The MBR holds the data that is being transferred to or from memory, acting as an intermediate storage.
This question belongs to: Computer Memory and Storage Devices
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