Hardware and software - A-Level Computer Science Practice Questions and Answers
Software Software comprises all of the programs that make the computer function Hardware The physical components of a computer system Systems software Required to run and manage the computer's hardware and application programs Disk Defragmentation Process of consolidating fragmented files on the user's hard drive. Each program/file is now in one contiguous group of sectors, the next block to be accessed is physically next to the previous one. This reduces read/write time as the hard drive doesn't have to spin round to the next sector somewhere else on the disk, and the read/write head does not need to move across the disk. Why disk defragmentation is needed Files become fragmented when data is written to disk, and there is not enough contiguous space to hold the complete file.
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