Initially, I thought it is only in Africa that we are technologically challenged, but I have come to realize these challenges are world-wide. If you are new to computers or just want to update your computer skills, this free Computer Basics tutorial will show you how. As a skill set, it includes a wide variety of different tasks and techniques, but our tutorials are not intended to teach you everything. Control unit, arithmetic logic unit and memory are together called the central processing unit or CPU. lessons. It i s of tremendou s he lp in . Booting is the process by which the computer loads the system files into the main memory in readiness for use. Warm booting is faster than cold booting because BIOS is not reloaded. Memory − All input data, instructions and data interim to the processes are stored in the memory. Machines range in size and capability, from huge supercomputers such as the Tianhe-2, to standard desktops, smartphones and embedded devices found in fire alarms. on October 17, 2019: Patrick Kamau (author) from Nairobi, Kenya on September 25, 2012: Teresa Schultz, thank you for your encouraging comment. Well done. Used in a word processor, it will take you one line down. You should be able to locate the power button for both of them. Basic Computer Components Computers come in different shapes and sizes. Two types of memory are used by the computer, one for storing data permanently and second for operating. This article is accurate and true to the best of the author’s knowledge. Posts about introduction to computer basics written by it guide lk. Output Unit − Devices like printer and visual display unit that are used to provide information to the user in desired format are called output unit. Raw facts and figures which can be processed using arithmetic and logical operations to obtain information are called data. It’s … Types of computers can be classified according to operation principles. Title. Being a modern-day kid you must have used, seen, or read about computers. The corresponding figure for an actual computer looks something like this −, The basic parts of a computer are as follows −. If you can input the necessary data with correct instructions, computer will do the processing. I mean, you understand where I am coming from and what I want to achieve by coming up with these 'back to basics guides'. A pointing device that senses movement, it is used to interact with items displayed on the computer screen by clicking buttons. The first program or set of instructions that run when the computer is switched on is called BIOS or Basic Input Output System. Enter key – Also known as the return key - it is an alternative to clicking on the okay button. Speed − Typically, a computer can carry out 3-4 million instructions per second. Mice are used as pointer devices to navigate through a computer. An electronic device that stores, retrieves, and processes data, and … Also, data is safe from normal wear and tear associated with paper. COMPUTER BASICS Seema Sirpal Delhi University Computer Centre. Triple-click – clicking thrice on the left button. 5. to kno w some basic things about the computer an d the world. So many people seem to think most people already know about how to use computers or what the different parts of a computer are for, and yet there are also so many out there who are still scared of using computers because they don't understand them, or fear that they won't understand them so they don't even try to understand them. The mouse is an important input device used generally in computers for pointing, clicking and dragging. What’s a CPU? Booting takes place in two steps −. Remember to check the others too. 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