Computer Studies/ICT/IT (All Classes)

System Unit

SYSTEM UNIT A system unit is the box that houses the sensitive computer hardware. It allows a good and neat arrangement of computer hardware. The cases of the system unit are made of light weight fabricated steal. Types of casing The type of casing or housing determine shapes system units. They are as follows. Mini

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WORD PROCESSING

WORD PROCESSING A word processor is an electronic device or computer software application that performs the task of composing, editing, formatting and printing of documents. Word processing software is used to manipulate a text document, such as a resume or a report. You typically enter text by typing, and the software provides tools for copying,

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OUTPUT DEVICES

OUTPUT DEVICES: There are the physical components of a computer used to obtain results from computer after processing. There devices convert data from machine-readable format into human-readable format. Examples: (a) Monitor (b) Printer (c) Plotter (d) Speaker (e) Projector (f) Microfilm, etc. (a) MONITOR: This is an output device that displays the result of processing

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MOUSE

MOUSE A mouse is a hand-held input device that controls the movement of the cursor or pointer on the screen of the monitor. Mouse has at least two buttons and sometimes newer mice also include a scroll wheel for scrolling through long document. The button on the left is called the primary mouse button, the

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INPUT DEVICES

INPUT DEVICES An input device is a peripheral (piece of computer hardware equipment) used to provide data and control signals to an information processing system such as a computer or information appliance. Examples of input devices include keyboard, mouse, scanners, digital cameras and joysticks, etc. An input device is any hardware device that sends data

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MICROSOFT POWERPOINT

What is Microsoft Power Point? Microsoft PowerPoint is a presentation program that is incorporated in Microsoft Office suite package. It offers word processing, outlining drawing, graphing and presentation management tools Starting a presentation with Microsoft PowerPoint There are two ways of starting Microsoft PowerPoint Click on start button, choose All Programs and click PowerPoint Double

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INTERNET – WELL EXPLAINED

What is internet? Internet or simply “The Net” is a worldwide system of computer networks in which used at any one computer can, if given permission or access, get information from any other computer. It is the largest connected of millions of computers connected to thousands of different networks worldwide. These computers communicate, share, exchange

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NORMAL FORM

Normalization of Database Database Normalization is a technique of organizing the data in the database. Normalization is a systematic approach of decomposing tables to eliminate data redundancy and undesirable characteristics like insertion, updates and deletion Anomalies. It is a multi-step process that puts data into tabular form by removing duplicated data from the relation tables.

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