Utility software (2.3)

• Whats the purpose of utility software?

  They are dedicated programs used for the maintenance and organisation of a computer system.
• What is an antivirus software?

  It's a type of software used to delete and locate viruses on a computer system
• What does an antivirus software?

  it scans each file on a computer and once completed, it compares it against a databases of known viruses.
• Explain the importance of an antivirus software?

  Files with similar symptoms to the virus are also identified and deleted. Thousands of viruses are created each day by attackers so antivirus software must be updated regularly to keep the system secure.
• What are the ways of checking viruses as a role of antivirus?

  Check all incoming and outgoing emails and check all files as they are downloaded.
• What are the types of Utility softwares?

  Compression, defragmentation, firewall, antivirus software, back up data and monitors, managers and cleaners.
• What's the purpose of defragmentation?

  The purpose of defragmentation software is to rearrange the file on a hard disk drive so that all parts are together in order.
• Explain the advantages of defragmentation?

  It improves the speed of accessing data on the hard disk drive. When files are edited over time, they become fragmented, meaning the files split into 2 parts are stored in different location.
• Explain the disadvantage of defragmentation?

  Files that are fragmented takes longer to load and read, because of the distance between the fragments of the file.
• What does a system monitor identify?

  It identifies the resources of a computer and displays how much CPU time and memory current applicants are using.
• Whats the purpose of a task manager?

  It allows a user to close processes and applications if they have stopped responding.
• What's the purpose of a disk cleaner?

  It's used to scan a hard disk drive and remove unused files, which is used to free up spaces on the hard drive.
• What's the purpose of a disk scanner?

  To scan a hard disc drive for any errors and attempt to repair them