Types of Software

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IT (9626) Theory Notes Types of Software Application software: IT (9626) Theory Notes System software: IT (9626) Theory Notes Utility software: Disk compression utilities Disk compression tools do the job of compressing or decompressing data on the drive, so that there is more space for additional data to be stored. Disk checkers and cleaners These utilities check the hard drive for any damaged or unnecessary files and delete them for efficient hard disk functioning. These tools are good for increasing the speed of a slow computer. Antivirus software There are many different antivirus software available to purchase on the market and even some free versions for download. They protect your computer against any viruses which may attempt to get on your computer. Backup utilities As the name suggests, these data backup tools are used to copy all information and provide it, when required, such as in case of disk failure or file corruption. Operating systems: To enable computer systems to function and to allow users to communicate with computer systems, special software known as operating systems (OS) have been developed. The general tasks for a typical operating system include: control the operation of the input, output and backing storage devices supervise loading, running and storage of applications programs deal with errors that occur in application programs maintain security of the whole computer system maintain a computer log (which details computer usage) allow communication between the user and the computer system (user interface). .

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