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    Question

    Which of the following is an example of utility

    software?
    A Notepad Correct Answer Incorrect Answer
    B Instant messaging Correct Answer Incorrect Answer
    C Video conferencing Correct Answer Incorrect Answer
    D PowerPoint Correct Answer Incorrect Answer
    E E-commerce Correct Answer Incorrect Answer

    Solution

    Utility software is a form of system software. It is used to analyse, configure, optimize or maintain the computer. This software performs all the housekeeping functions.
    The utility software is categorised into the following categories:
    · Text Editors facilitate the creation of flawless text documents. WordPad and Notepad are the commonly used text editors.
    · Compression Utilities are used to compress the selected files. It helps to save the space on the disk and to transfer heavy files on a network.
    · Disk Fragmentation utility helps the user to arrange used and free space on the hard disk which in turn increases the processing speed of the disk.
    · Scan Disk utility checks for the problems on the hard disk such as bad sectors, viruses etc.
    · Encryption or Decryption utility is used to hide the data for secured transmission. At the source, data is encrypted and at the destination device, data is decrypted to reveal the original message. Decryption requires a secret key or password.

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