Introduction to computer
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Introduction to computer

Introduction to computer

The device which  manipulates information or data electronically is known as computer. computer has  the ability to store, retrieve and process the data. It is an electronic device that is designed to work with Information . computer terms is  derived from the Latin term 'computare' Which means to calculate the data

A computer is a machine or device that performs processes, calculations and operation based on instructions proved by a software or hardware programs. A variety of solutions will provided by combining integrated hardware and  software components, A computer is made up of multiple parts and components that facilitate user functionality. A computer has two primary categories,

*Hardware:- Physical structure that include a computer's processor, memory, storage, communication ports and peripheral devices.

* Software:- Includes operating system (OS) or system software and applications software. 

It follows the IPO cycle. It works with software programs that are sent to its underlying hardware architecture for reading interpretation and execution. Computers are classified according to computing power, capacity, size mobility and other factors, as personal computers (PCs), desktop computers, laptop computers, minicomputers, handheld computers and devices, mainframes or supercomputers.


किबोर्ड अथवा कुञ्जीपाटी एक महत्वपुर्ण उपकरण हो जसको प्रयोग गरेर कम्प्युटरमा अक्षर तथा अङ्कहरू पठाउन सकिन्छ । यो कम्प्युटरको एक प्रमुख इनपुट उपकरण हो । किबोर्ड धेरै प्रकारका हुन्छन्। सबै भन्दा चलनमा रहेको कोबोर्डको डिजाइनQWERTY हो ।

Key board is flat board which has many keys. It is an important device by the use of this device we can enter the data. Mostly QWERTY keyboard is used.

Basic and Extended  are two major types of computer keyboards: . 104 keys are there in  basic keyboard contains  and it is  enough to perform all the functions that can be done on a Windows 

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