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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Two method of accessing data used by storage medium:
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Serial (sequential Access)
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Queue (First in First out access)
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Top down access (Structured access)
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Direct (Random Access)
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Explanation:
Detailed explanation-1: -There are two type of access method random access and sequential access. To go from point A to point Z in a sequential-access system, you must pass through all intervening points. In a random-access system, you can jump directly to point Z. Disks are random access media, whereas tapes are sequential access media.
Detailed explanation-2: -Storage access methods BDAM-Basic direct access method. BSAM-Basic sequential access method.
Detailed explanation-3: -There are three ways to access a file into a computer system: Sequential-Access, Direct Access, Index sequential Method.
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