Transcription of 4 OPERATING SYSTEMS
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4 OPERATING SYSTEMS
MODULE 1 Basic ComputingNotesOperating SystemsComputer Science 48In the previous lesson you have learnt about computer software. An operatingsystem is system software that runs on a computer. Every computer must have anoperating system to run other programs and applications. An OPERATING system (OS) is a program that acts as an interface between the user and the computerhardware. Without an OPERATING system , a computer and software programswould be useless. OPERATING system performs basic tasks, such as recognizinginput from the keyboard, sending output to the display screen, keeping track offiles and directories on the disk , and controlling peripheral devices such as diskdrives and printers. In this lesson, you will learn about functions of operatingsystem and types of OPERATING reading this lesson, you will be able to:zdefine OPERATING system ;zlist the functions of OPERATING system ;zclassify OPERATING OPERATING SYSTEMA computer is a machine which needs to be instructed for every single step.
Command Line Interface (CLI) allows users to interact with an operating system by typing commands in a terminal or console window. The users type a command or series of commands for each task they want to perform on a visual prompt. Examples of command line based operating systems are DOS (Disk Operating System), and UNIX etc.
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