COMPUTER HARDWARE
STORAGE DEVICES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Stores files so that they can instantly be accessed
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No need to search through files to get to the one you want
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Files are stored one by one in a sequence
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Data are to be stored alphabetically and sorted in order
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Detailed explanation-1: -There are three methods for gaining access to a file in a computer system: Index Sequential Method, Sequential-Access Method, Direct Access Method. That is the most basic mode of access. The data in the file is processed sequentially, one record after the other.
Detailed explanation-2: -The file access methods are sequential access, direct access, and indexed sequential access. Sequential access allows access to the file records in sequential order, one after the other. Direct access allows random access to the file blocks. Indexed sequential access is a modification of sequential access.
Detailed explanation-3: -Random access file in C enables us to read or write any data in our disk file without reading or writing every piece of data before it. In a random-access file, we may quickly search for data, edit it or even remove it.
Detailed explanation-4: -Random Access-The data are placed into the file by going directly to the location in the file assigned to each data item. Data are processed in any order. A particular item of data can be reached by going directly to it, without looking at any other data.