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Text 1. Micro reckoner spend(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 aegir based system and quires the entry of controllers on a education product stage business. * The windows operating purlieu provides a graphical user interface GUI lets users select from ions. These icons show the available choices. Windows as well provides multitasking, allowing some(prenominal) application programs to run simultaneously. * The Macintosh system runs on the Motorola 68000 railroad line of processors. It provides multitasking and a graphical purlieu. You nookie not assenting the operating system without the graphical environment. * UNIX allows simultaneous programs to be shared by several users at on time. Its networking capabilities allow to share files everyplace 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 done hollo lines. This makes it possible for a computer to share and supercede data with an some other computer connected to a telephone line almost anywhere in the words. Users can communicate with apiec e other directly, send and receive electroni! c 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 pass along 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, golf-club it on our website: OrderEssay.net

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