APPLICATION SYSTEM SOFTWARE
SYSTEMS SOFTWARE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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To scramble data in a way that it is unreadable to anybody who doesn’t have a key to be able to unscramble this.Data is “scrambled” using a key and then decrypted using a keyData is is unreadable if anyone is to intercept it
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When a hard disk drive is new-files get added onto the disk in order-very much like starting with a blank piece of paper and adding to itAs files are deleted-this leaves gapsWhen new files are saved-the files fill the gaps and become fragmentedThis software groups files back together
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Reducing the size of the file by performing an algorithm on the original dataLossless-The original file can be re-created as no data is lostLossy-Some of the original data is lost and the original file can not be re-created
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None of the above
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Detailed explanation-1: -Microsoft Drive Optimizer (formerly Disk Defragmenter) is a utility in Microsoft Windows designed to increase data access speed by rearranging files stored on a disk to occupy contiguous storage locations, a technique called defragmentation.
Detailed explanation-2: -Disk Defragmenter is a Windows utility program that located and eliminates unnecessary fragments and rearranges files and unused to disk space to optimise operations.
Detailed explanation-3: -What does defragging your computer do? Defragmentation reverses the process your computer uses to break up data when it saves files to your hard drive. Defragging reformats your drive, reconstituting the files that were fragmented when they were written (saved) to your disk.
Detailed explanation-4: -Disk Defragmenter in Windows rearranges fragmented data so your disks and drives can work more efficiently. Disk Defragmenter runs on a schedule, but you can also analyze and defragment your disks and drives manually.