Which of the following is a type of memory that is used for storing the system's configuration data? MCQ with Answer and Explanation

Which of the following is a type of memory that is used for storing the system's configuration data?
A. ROM
B. DRAM
C. CMOS
D. SRAM
Answer: Option C
Solution (By JKSSB Mock Tests)
CMOS memory stores system configuration parameters like date, time, and hardware settings. It is powered by a small battery.

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Practice More Memory and Storage Devices Questions

Question #1
What is the approximate data transfer rate of a SATA III (6 Gbps) interface?
A. 150 MB/s
B. 6 GB/s
C. 600 MB/s
D. 3 Gbps

Correct Answer: Option C


Explanation:
SATA III has a maximum theoretical bandwidth of 6 Gbps, which translates to about 600 MB/s (due to 8b/10b encoding overhead). Actual speeds may be lower.

This question belongs to: Computer Memory and Storage Devices
Question #2
Which of the following storage devices has the largest storage capacity per unit cost?
A. Blu-ray disc
B. Hard disk
C. SSD
D. Magnetic tape

Correct Answer: Option D


Explanation:
Magnetic tape offers the lowest cost per gigabyte, making it ideal for massive archival storage, though access is slow.

This question belongs to: Computer Memory and Storage Devices
Question #3
What is the maximum storage capacity of a standard dual-layer DVD?
A. 15 GB
B. 8.5 GB
C. 9.4 GB
D. 4.7 GB

Correct Answer: Option B


Explanation:
A dual-layer DVD (DVD-9) holds about 8.5 GB (or 7.95 GiB). Single-layer is 4.7 GB. Some double-sided DVDs have more, but standard dual-layer is 8.5 GB.

This question belongs to: Computer Memory and Storage Devices