COMPUTER FUNDAMENTALS

INPUTOUTPUT AND STORAGE DEVICES

STORAGE DEVICES HARD DISK SSD AND FLASH MEMORY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which types of storage have moving parts?
A
Magnetic
B
Optical
C
Solid State
D
None of the above
Explanation: 

Detailed explanation-1: -HDD storage is made up of magnetic tape and has mechanical parts inside. They’re larger than SSDs and much slower to read and write. In its simplest form, an SSD is flash storage and has no moving parts.

Detailed explanation-2: -Optical disk storage capacities A CD can store up to up 700 megabytes (MB) of data. A single-layer DVD can hold 4.7 gigabytes (GB) of data, and a double-layer disk can hold 8.5 GB. A single-layer Blu-ray disk can store 25 to 33.4 GB of data, and a quad-layer Blu-ray disk can store up to 128 GB of data.

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