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Text 1. Micro reckoner in operation(p)(a) systems An operating system is a group of figurer programs. It helps to manage the computer. It is resources and acts as an embrasure amid the computer and application programs. The major operating systems for microcomputers are MS-DOS, PC-DOS, The mack system, UNIX and OS/2. - DOS hightail its on the IBM family of computers using Intel microprocessors. It is a barrage alongament based system and quires the entry of controllers on a master product stage business. * The windows operating purlieu provides a graphical drug user interface GUI lets users select from ions. These icons show the available choices. Windows likewise provides multitasking, allowing some(prenominal) application programs to run simultaneously. * The Macintosh system runs on the Motorola 68000 line of processors. It provides multitasking and a graphical surround. You can buoy not entree the operating system without the graphical e nvironment. * UNIX allows simultaneous programs to be shared by several users at on time. Its networking capabilities allow to share files over networks with several different kinds of equipment. * OS/2 can run application programs written for DOS and it provides a graphical environment its multitasking ability allows to run several large programs simultaneously. * Text 2.

electronic mail * Telecommunications is the process of sending and receiving electronic information by means of hollo lines. This makes it possible for a computer to share and qualify data with an some other computer connected to a telephone line almost anywhere in the words. Users can communica te with apiece other directly, send and rec! eive electronic mail and facsimiles (faxes), move into in electronic bulletin boards, and access large field databases. * Electronic send, or E-mail, is the sending and receiving of subject from one computer to another over telephone lines or across networks to other computers, computer bulletin board systems, and on line services...If you essential to get a full essay, enact it on our website: OrderEssay.net

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