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INTRODUCTION TO COMPUTER

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  A computer is an electronic machine that can input, process, store, and output a vast amount of information at an extremely high speed.  (a) Types Of Computer  There are three types of computer  1. Micro or Personal computer(PCs)  2. Mainframe  3. Supercomputers  (i) Personal Computers  The personal computer or PC, is designed to be used by one person at a time. There are different kinds of personal computers such as desktops, laptops, handheld computers, and Tablets PCs.  (ii) Desktop Computers  Desktop computer are designed for use at a desk or table. They are typically larger and more powerful than other types of personal computers. Desktop computers are made up of separate components. The main component, called the system unit, is usually a rectangular case that sits on or underneath a desk. Other components, such as the monitor, mouse, and keyboard, connect to the system unit. (iii) Laptop and Netbooks Laptops are lightweight mobi...
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INSTALLATION OF LINUX OS (UBUNTU) IN YOUR COMPUTER

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WHAT IS THE COMPUTER INSTALLATION This is how to connect the computer before use for example install it with operating system, driver, Microsoft office, adobe and so on and connect it also to the keyboard, monitor, mouse and to the power either direct or indirect. First before we continue with installation, we need to connect the computer to the monitor, keyboard and mouse and to the power through UPS or direct to the main supply. After that we switch on the computer and insert the CD which contain operating system and continue. WHAT IS THE FORMATTING OF A COMPUTER Is the process of remove or delete software program or data in a computer for example we format operating system due to virus and replace it with another operating system or format data and replace it with new data. There are many methods of formatting computer either through the disk by go to my computer on your desktop and erase all data from it, if your computer has affected by virus the best way is to format th...
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UNDERSTANDING BASIC COMPUTER TERMS

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   Data  is electronic information. A computer file  is a collection of data stored as an individual entity. Computers contain many different types of files, which we’ll discuss as we go through this workshop. Some files are called documents. Files are stored in folders, or directories, which, like drawers in a filing cabinet, keep related files together. There are two basic parts of a computer: hardware and software. 1.     Hardware  refers to all the physical components of a computer, including the monitor, system unit, keyboard, mouse, microphone, speakers, and printer. 2.      Software  refers to the electronic files that enable users to accomplish tasks with the computer. A software program is sometimes referred to as an application. a) UNDERSTANDING HARDWARE A computer is composed of three types of hardware. The following table summarizes and gives examples of these types of hardware Type of Hardware Function Example...
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