What is the typical speed of a 5400 RPM hard disk in terms of data transfer?
A. About 50 MB/s
B. About 200 MB/s
C. About 100 MB/s (sustained)
D. About 10 MB/s
Answer: Option A
Solution (By JKSSB Mock Tests)
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.
Which area of a mechanical hard drive contains the core initial master code used by a system BIOS to locate and launch the primary operating system partition?
Explanation:
The MBR (Master Boot Record) is the information located in the very first sector of a partitioned storage drive, containing the partition table and the bootloader code needed to start the OS.
Explanation:
1x speed for Blu-ray is defined as 36 MB/s (or 36 Mbps? Actually, it's 36 Mbit/s? Wait: 1x Blu-ray is 36 Mbps (4.5 MB/s). Let's check: 1x DVD is 11.08 Mbps (1.32 MB/s), 1x CD is 150 KB/s. Blu-ray 1x is 36 Mbps = 4.5 MB/s. But common speeds are faster. Let me verify: Actually, 1x Blu-ray = 36 Mbit/s (4.5 MB/s). Some sources say 36 Mbit/s = 4.5 MB/s. So option A (4.5 MB/s) is correct. However, I've also seen 1x Blu-ray = 36 MB/s? Let's recall: Blu-ray standard defines 1x at 36 Mbps (megabits per second). So 4.5 MB/s. So correct answer is A: 4.5 MB/s.
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