COMPUTER HARDWARE COMPONENTS FUNCTIONS
EXTERNAL AND INTERNAL STORAGE DEVICES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Flash memory
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System Unit
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CD
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Hard disk
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Detailed explanation-1: -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.
Detailed explanation-2: -Hard disks, zip disks, and floppy disks are common examples of magnetic disks. The number of bits stored on each track does not change by using the simplest constant angular velocity. Optical disk: An optical disk is any computer disk that uses optical storage techniques and technology to read and write data.
Detailed explanation-3: -Optical storage is any storage type in which data is written and read with a laser. Typically, data is written to optical media such as compact discs (CDs) and digital versatile discs (DVDs).