Glad that you enjoyed reading the hub. A computer is a machine that can be programmed to accept data (input), process it into useful information (output), and store it away (in a secondary storage device) for safekeeping or later reuse. Computer software, or simply software, also known as computer programs, is the non-tangible component of computers. Versatility − Computers can carry out a wide range of work from data entry and ticket booking to complex mathematical calculations and continuous astronomical observations. Being a modern-day kid you must have used, seen, or read about computers. However, there are several parts on a computer that are universal to all computers. With increasing digitization, knowing how to operate computers has almost become a basic … However, modern computers can do a lot more than calculate. Introduction ¤ Its an electronic device which accepts input, processes data, stores data, and produces output ¤ Input refer to whatever is sent to a Computer system ¤ Data refer to the symbols that represent facts, objects, and ideas ¤ A computer processes data in a device called the central processing unit … Scroll buttonIt is usually situated between the right and left buttons. These keys are arranged in a specific way on your keyboard. To highlight by clicking, holding down the left button and then dragging on the text you want to select. This has a youtube counterpart which is below. I. josiejossy from Nairobi Kenya on May 02, 2012: Great hub, very informative, thanx for sharing, voted up. Initially, I thought it is only in Africa that we are technologically challenged, but I have come to realize these challenges are world-wide. Page up - For scrolling through pages that are above the current page. Two types of memory are used by the computer, one for storing data permanently and second for operating. Tag Archives: introduction to computer basics pdf. Think of this as your hand inside the computer. It i s of tremendou s he lp in . If you can input the necessary data with correct instructions, computer will do the processing. 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. An electronic device that stores, retrieves, and processes data, and can be programmed with instructions.A computer is composed of hardware and software, and can exist in a variety of sizes and configurations. Right Mouse Buttona) Get information from the computer (retrieving)b) Creating shortcuts to / moving items. A program is a set of instructions written in a language (such as BASIC) understandable by the computer to perform a particular function on the computer. Introduction to Computer. Output Unit − Devices like printer and visual display unit that are used to provide information to the user in desired format are called … The first program or set of instructions that run when the computer is switched on is called BIOS or Basic Input Output System. It is positioned on the extreme right-hand side of the keyboard. Be patient and wait for your computer to load/boot/start. In simple terms, it is the start-up process of a computer. This course is meant for people who are interested !H- 2 Course adapted from National Institute on Aging (2007) Helping Older Adults … Computer hardware and software require each other and neither can be realistically used without the other.Computer software includes all computer programs regardless of their archite… Be it school, banks, shops, railway stations, hospital or your own home, computers are present everywhere, making our work easier and faster for us. You don't need anything except a computer … Includes bibliographical re ferences and index. As they are such integral parts of our lives, we must know what they are and how they function. Reliability − Computers can carry out same type of work repeatedly without throwing up errors due to tiredness or boredom, which are very common among humans. Now that we know the characteristics of computers, we can see the advantages that computers offer−. Input device. QA76.6.G575 2003 005.1 dc22 2003020686 British Library Cataloguing in Publication Data My aim is to help others to learn about computers so that they can utilize them to the maximum. Functionalities of a computer2 COMPUTER BASICS Seema Sirpal Delhi University Computer Centre. Well done. Patrick Kamau (author) from Nairobi, Kenya on May 02, 2012: Thanks josiejossy, for the vote. Also, data is safe from normal wear and tear associated with paper. I like that you include info about starting the computer. 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. We cannot see or touch software. The processes that can be applied to data are of two types −. The problem is how can we make them understand us: 1 Storing the data as bit strings. Control key – (ctrl) When pressed with another key, it performs a special operation. Course Introduction. They only understand combinations of on/off electrical signals. paper) 1. Teresa Schultz from East London, in South Africa on September 25, 2012: Excellent hub for beginners using computers. Spacebar - Used for creating a space while typing. As part of your computer introduction it is important to understand the different types of machine in existence today, and what their role is. Primary memory resides within the CPU whereas secondary memory is external to it. Just have a look at the symbol on your Mobile's on / off button to get the picture. The most common types of mice have got three buttons. ISBN 0-470-86398-6 (Paper : alk. It is a hardware device that assembled on the motherboard for storing data and instructions for performing a task on the system. Computer as a revolution left no are a o f life untouched in the p resent world. Data is a collection of unorganized facts & figures and does not provide any further information regarding patterns, context, etc. Introduction 1 Introduction A computer is the fool on the hill!! Remember to check the others too. Or simply put, moving the contents of a page up or down. Patrick, a computer technician, is a dedicated writer who wishes to make the world better by informing individuals who seek more knowledge. Click – Clicking (depressing) the left mouse button once. This is because they are an integral part of our everyday existence. Computer input is called data and the output obtained after processing it, based on user’s instructions is called information. This course is adapted to your level as well as all computer basic pdf courses to better enrich your knowledge.. All you need to do is download the training document, open it and start learning computer basic … Dragging – clicking and holding on the mouse button. Hope you enjoy, feel free to ask any questions in the comments. Cold Booting − When the system is started by switching on the power supply it is called cold booting. Control unit, arithmetic logic unit and memory are together called the central processing unit or CPU. For you to be able to use a computer, you must turn it on. Input Unit − Devices like keyboard and mouse that are used to input data and instructions to the computer are called input unit. * The asterisk - Used for multiplication. It has increased productivity in industries as diverse as deep sea drilling and fashion design, drastically improved communication globally and made the world’s information available at your fingertips. Just press the button in and release it. I also did my computer basics like 7 years ago, I am glad that now I am earning online. Booting is the process by which the computer loads the system files into the main memory in readiness for use. Computer programming. A beginner s introduction to computer programming : you can do it! What’s a CPU? Take advantage of this course called Basic Computer course book download to improve your Others skills and better understand computer basic.. Used in a word processor, it will take you one line down. This course is designed to teach you how to use a computer at a basic level. Mice are used as pointer devices to navigate through a computer. Frank Fiamor, This is a very insightful literature on the introduction to computers.Thank you. / Forward Slash - Used for calculations dealing with the division. Digital Computers – They are specifically designed to work on digital data using the binary numbering system which uses two numbers, 0 and 1 (binary Zero and One). Binary notation is introduced here. Raw facts and figures which can be processed using arithmetic and logical operations to obtain information are called data. Ask if any have prior … Storage Capacity − Computers can store a very large amount of data at a fraction of cost of traditional storage of files. It is used for scrolling or navigating through an open document. The basic parts of a computer are as follows − Input Unit − Devices like keyboard and mouse that are used to input data and instructions to the computer are called input unit. Let us start with defining the term computer formally. STUDY. This article is accurate and true to the best of the author’s knowledge. Computer Basics: Introduction to computers. To understand why computers are such an important part of our lives, let us look at some of its characteristics −. Arithmetic operations − Examples include calculations like addition, subtraction, differentials, square root, etc. Mouse. Regular electric supply is necessary to make computers work, which could prove difficult everywhere especially in developing nations. The keyboard as an input device contains a number of keys that are pressed in order to enter the desired data into the computer. However, any introductory course in the use of micro-computers is likely to have covered this material already. Most mice have two buttons—a right and a left button—and a scrolling wheel. Yet computers are so useful especially for those trying to earn an extra income or trying to work from home. Speed − Typically, a computer can carry out 3-4 million instructions per second. If you are new to computers or just want to update your computer skills, this free Computer Basics tutorial will show you how. p. cm. Warm Booting − When the system is already running and needs to be restarted or rebooted, it is called warm booting. INTRODUCTION. I mean, you understand where I am coming from and what I want to achieve by coming up with these 'back to basics guides'. Introduction to programming Computer programming is the process of designing and writing computer programs. Control Unit − As the name suggests, this unit controls all the functions of the computer. Yes, that is They need a basic program to do something. The literal meaning of computer is a device that can calculate. Thanks for the vote, share and visit. Enter key – Also known as the return key - it is an alternative to clicking on the okay button. ____ 1 Learn basic computer terms ____ 2 Learn about folders, menus and windows ____ 3 Practice using the mouse Lesson 1 Handouts - Computer Basics: A Computer Internet Course for Older Adults Module 1 - Handouts: Computer Basics! All the best. The processing of input to output is directed by the software but performed by the hardware. The monitor and the system unit of a desktop computer must be turned on. Types of computers can be classified according to operation principles. Tell students that Computer Basics is a two to four hour course designed to familiarize students new to computers with basic computer terminology, hardware, software, input (mouse and keyboard) and output (document) devices, as well as the Microsoft Windows file structure. computer. The Mouse This is the other way to interact with your computer. A pointing device that senses movement, it is used to interact with items displayed on the computer screen by clicking buttons. The CPU or central processing unit is located on the motherboard and is the part of the computer where all that input/output informa… Title. Page down - for navigating through pages that are down the current page. Digital computers are more accurate and faster as compared to analogue computers. The mouse is an important input device used generally in computers for pointing, clicking and dragging. These days, especially as we enter the era of the 4th Industrial Revolution, computers are an integral and necessary part of our lives.  A machine capable of following instruction to alter data in a desirable way and to perform at least some of these operations without human intervention. A computer is a programmable machine that receives input, stores and manipulates data, and provides output in a useful format. Computer was used as an … Rebooting may be required if a software or hardware has been installed or system is unusually slow. For moving items by clicking, holding on and then dragging them. It’s … Backspace - For deleting (erasing) characters to the left of the cursor. that we can see and touch are the hardware components of a computer. After locating the power button, turn on the system unit, and then turn on the monitor (there is no particular order, you can start with any). As a computer learner, you need to know more about the keyboard and mouse because you will be interacting with them a lot. The set of instructions or programs that make the computer function using these hardware parts are called software. 6 years ago I knew nothing about computers and didn't even know where to find the start button! You can check the previous part on introduction to computers which is a good guide for beginners. The keyboard is an input device that will help you enter raw data into your computer. These provide information to a computer, such as typing a letter or giving instructions to a computer for performing a task. Basic Computer Components Computers come in different shapes and sizes. There are many core concepts that are important for all programmers to understand, no matter what programming language they use. Memory − All input data, instructions and data interim to the processes are stored in the memory. Computer software contrasts with computer hardware, which is the physical component of computers. BIOS is a firmware, i.e. INTRODUCTION. 2 Making programs: using the logical operations. As a skill set, it includes a wide variety of different tasks and techniques, but our tutorials are not intended to teach you everything. Num Lock – For turning on and off the numeric keypad. Learn to use a computer with ease. Introduction To Computers: Hardware and Software In this section of notes you will learn about the basic parts of a computer and how they work.