Explain the purpose of operating systems (P2) The operating system whatever it may be (Windows or

1000 WordsApr 23, 20194 Pages
Explain the purpose of operating systems (P2) The operating system whatever it may be (Windows or Linux) it is the most important program that runs on a computer. All general purpose computers require an operating system in order to run other programs. The Operating system performs essential basic tasks such as recognizing input from the keyboard, keeping track of files and their directories on the disk, the sending output to the display screen and the controlling of peripheral devices such as keyboards and printers. How Operating Systems work Multi-user It allows two or more users to run programs at the same time. Some Operating systems permit hundreds or even thousands of concurrent users. Multiprocessing Supports the running of a…show more content…
Explain the purpose of different software utilities (P3) Utility software comes preloaded with all operating systems which are designed to help analyse, configure, optimize or maintain a computer. The utility software usually focuses on how the computer infrastructure (so the likes of Operating system, application software and computer hardware) operates. Here is the types of utilities you would typically find preloaded with an operating system and how they work; Anti-Virus: Is a piece of computer software designed to prevent, detect and remove malicious computer Viruses. It also can prevent the access of other types of malware such as Trojan Horses, Worms, and Ransomeware keyloggers, Browser helper Objects (BHO’s), Fraudtools, Spyware, Dialers and Adware. Arc hiver’s: Is an output stream or single file once provided with a directory or set of files. It is a computer Utility that combines a number of files together into one archive file, or a series of archive files, for an easier transportation of storage. Backup software: A computer program is used to perform backup; they create supplementary copies of files, databases or entire computers. To re-store data that may have been loss or are needed once again. Clipboard Managers: A computer program that adds functionality to an operating system’s clipboard. Many clipboards only offer one buffer which is written by each new “copy” operation. Clipboard manager enhances the functions of cut,

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