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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DVD
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Blu-ray
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CD
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Floppy disk
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Detailed explanation-1: -It is mainly used for bulk size mass like audio CDs, software, and computer games at the time of manufacture. A CD-ROM holds a maximum of 650MB or 700MB of data.
Detailed explanation-2: -A CD can store around 650 Mb of data. A typical MP3 song is about 3Mb and so a CD can hold about 200 songs. Compact Disks come in two main forms: CD-ROM-CD Read Only Memory.
Detailed explanation-3: -A standard compact disc measures 4.7 inches, or 120 millimeters (mm), across, is 1.2 mm thick, weighs between 15 grams and 20 grams, and has a capacity of 80 minutes of audio, or 650 megabytes (MB) to 700 MB of data. A CD works by focusing a 780 nanometer wavelength semiconductor laser onto a single track of the disc.
Detailed explanation-4: -A ZIP disk is a type of portable magnetic media that can store from 100 MB to 750 MB of data. A larger capacity Zip disk can hold about 500 times more than a standard floppy disk.
Detailed explanation-5: -Optical disc Types of optical storage media include Blu-ray discs, DVDs, CDs and CD-ROMs (for read-only data).