COMPUTER HARDWARE COMPONENTS FUNCTIONS
WHAT IS A HARD DRIVE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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150
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200
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90
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100
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Detailed explanation-1: -The magnetic disk invented by IBM in the early-1950s contained 100 concentric tracks on each side. Each track stored 500 alphanumeric characters, yielding a total storage capacity of 5 million characters.
Detailed explanation-2: -Organization of disk data: Circular tracks corresponding to a particular position of the actuator arm. Typical density today: 200, 000 tracks per radial inch.
Detailed explanation-3: -A disk’s surface is divided into concentric tracks (circles within circles), and the thinner the tracks, the more storage. The data bits are recorded as magnetic spots on the tracks, and the smaller the spot, the greater the storage.
Detailed explanation-4: -A disk drive track is a circular path on the surface of a disk or diskette on which information is magnetically recorded and from which recorded information is read.
Detailed explanation-5: -Their general capacity is in the range of 500 megabytes to 4 gigabytes.