COMPUTER SOFTWARE
SYSTEM SOFTWARE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Utility system software may include:encryption softwaredefragmentationdata compressionWhich best describes data compression?
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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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Explanation:
Detailed explanation-1: -The correct answer is option 1 i.e Win Zip. WinZip is a compressor tool for Windows, macOS, iOS, and Android. WinZip allows users to compress files and to open compressed files in .
Detailed explanation-2: -Compression utility software is specifically responsible for compressing and decompressing files you have saved on your device. The main purpose of compression software is to reduce the amount of data inside files.
Detailed explanation-3: -Lossy compression software removes some redundant data from a file. Because data is removed, the quality of the decompressed file is less than the original.
There is 1 question to complete.