What is the typical data rate of a 1x DVD drive? MCQ with Answer and Explanation

What is the typical data rate of a 1x DVD drive?
A. 1.32 MB/s
B. 4.5 MB/s
C. 11.08 MB/s
D. 36 MB/s
Answer: Option A
Solution (By JKSSB Mock Tests)
1x DVD has a data transfer rate of 11.08 Mbit/s = 1.32 MB/s. Blu-ray 1x is 36 Mbit/s = 4.5 MB/s. CD 1x is 150 KB/s.

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 function of the 'read' operation in memory?
A. To retrieve data from a memory location
B. To move data between registers
C. To store data to a memory location
D. To clear a memory location

Correct Answer: Option A


Explanation:
A read operation fetches data from a specified memory address and transfers it to the CPU or another component.

This question belongs to: Computer Memory and Storage Devices
Question #2
What is the typical power consumption of an M.2 NVMe SSD?
A. About 50 watts
B. Less than 1 watt
C. About 20 watts
D. About 5-10 watts

Correct Answer: Option B


Explanation:
M.2 NVMe SSDs typically consume between 2-5 watts during active use, with idle power around 0.1-0.5 watts. Under heavy load, they may use up to 6-8 watts, but less than 1 watt is for low-power states. For general exam, they are known for low power.

This question belongs to: Computer Memory and Storage Devices
Question #3
What is the typical speed of a 5400 RPM hard disk in terms of data transfer?
A. About 200 MB/s
B. About 50 MB/s
C. About 100 MB/s (sustained)
D. About 10 MB/s

Correct Answer: Option B


Explanation:
5400 RPM HDDs typically have sustained transfer rates around 50-100 MB/s, but 5400 RPM drives are slower than 7200 RPM, often around 50-80 MB/s. However, modern drives may reach 100+ MB/s. For exam, 50-100 MB/s is typical.

This question belongs to: Computer Memory and Storage Devices