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BASIC CONCEPTS OF COMPUTER

BASIC CONCEPTS of COMPUTER :: 11 BASIC CONCEPTS OF INTRODUCTIONA COMPUTER is a programmable machine designed to performarithmetic and logical operations automatically andsequentially on the input given by the user and gives thedesired output after processing. COMPUTER components aredivided into two major categories namely hardware andsoftware. Hardware is the machine itself and its connecteddevices such as monitor, keyboard, mouse etc. Software arethe set of programs that make use of hardware for performingvarious OBJECTIVESA fter going through this lesson you would be able to: familiarise yourself with characteristics of computers identify the BASIC components of a COMPUTER explain the importance of various units of a COMPUTER differentiate between system software and applicationsoftware explain the importance of operating system get acquainted with open source appreciate the need of COMPUTER CHARACTERISTICS OF COMPUTERSThe characteristics of computers that have made them sopowerful and universally useful are speed, accuracy,diligence, versatility and storage capacity.

Basic Concepts of Computer :: 7 Fig. 1.4: Keyboard Mouse: A device that controls the movement of the cursor or pointer on a display screen. A mouse is a small object you can roll along a hard and flat surface (Fig. 1.5).

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