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Fig 1: a screenshot from a software application. Utility software is software such as anti-virus software, firewalls, disk defragmenters and so on which helps to maintain and protect the computer system but does not directly interface with the hardware.
For example, the computer monitor used to view this text or the mouse used to navigate Diffen is considered computer hardware. Software is a program, such as an operating system or a web browser, that is able to instruct a computer's hardware to perform a specific task. Unlike hardware, software has no physical form.