What hardware feature on an internal motherboard controls the synchronization and flow of data commands arriving from the system RAM to the processor cores? MCQ with Answer and Explanation
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Question #1
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Which memory management technique allows a computer to use hard disk space as additional RAM?
Correct Answer: Option C
Explanation:
Virtual memory is a memory management technique that uses a portion of the hard disk or SSD as an extension of RAM, allowing the system to run larger applications or multiple programs simultaneously.
Virtual memory is a memory management technique that uses a portion of the hard disk or SSD as an extension of RAM, allowing the system to run larger applications or multiple programs simultaneously.
This question belongs to:
Computer
Memory and Storage Devices
Question #2
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What is the typical speed of a 5400 RPM hard disk in terms of average latency?
Correct Answer: Option B
Explanation:
At 5400 RPM, one rotation takes 60/5400 = 0.01111 seconds = 11.11 ms. Average rotational latency is half of that, about 5.56 ms.
At 5400 RPM, one rotation takes 60/5400 = 0.01111 seconds = 11.11 ms. Average rotational latency is half of that, about 5.56 ms.
This question belongs to:
Computer
Memory and Storage Devices
Question #3
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Which unit of storage represents exactly $2^{40}$ bytes of data?
Correct Answer: Option B
Explanation:
$2^{10}$ is Kilobyte, $2^{20}$ is Megabyte, $2^{30}$ is Gigabyte, and $2^{40}$ is Terabyte. Thus, $2^{40}$ bytes equals 1 Terabyte (TB).
$2^{10}$ is Kilobyte, $2^{20}$ is Megabyte, $2^{30}$ is Gigabyte, and $2^{40}$ is Terabyte. Thus, $2^{40}$ bytes equals 1 Terabyte (TB).
This question belongs to:
Computer
Memory and Storage Devices
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