GENERAL KNOWLEDGE

GK

TECHNOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The IBM PC-XT was the first to include a hard drive. What was the capacity of this disk?
A
20 MB
B
1.44 MB
C
10 MB
D
750 KB
Explanation: 

Detailed explanation-1: -It shipped with 640 KB RAM standard, an AT-style 1.2 MB high-density diskette drive and a 20 MB hard disk.

Detailed explanation-2: -In 2021, drive manufacturer Western Digital unveiled two 20 TB HDDs–the Ultrastar DC HC560 and WD Gold HDD Enterprise Class SATA HDD. Currently, 20 TB is the largest available HDD size. Both hard disk drives come in the standard 3.5-inch form factor but have different use cases.

Detailed explanation-3: -The 3.5-inch HDDs became widespread from the end of the 1980s; the form factor was based on the size of floppy disk drives in order to fit into the same drive bays. In servers and storage systems, too, the 3.5-inch form factor quickly became the stand-ard – and it still is today.

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