BASIC CONCEPTS OF COMPUTER

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BASIC CONCEPTS of COMPUTER :: 11BASIC 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 OBJECTIVESAfter 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.

inside the computer. 1.4.2 Memory Computer’s memory can be classified into two types; primary memory and secondary memory a. Primary Memory can be further classified as RAM and ROM. RAM or Random Access Memory is the unit in a computer system. It is the place in a computer where the operating system, application programs and the

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