Now that we know the characteristics of computers, we can see the advantages that computers offer−. We have included this unit to help those who are teaching students with no computer background. The keys should mostly mimic a traditional typewriter. Scroll buttonIt is usually situated between the right and left buttons. Click – Clicking (depressing) the left mouse button once. Triple-click – clicking thrice on the left button. INTRO DUCTION. Mice are used as pointer devices to navigate through a computer. 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. James Tam What Is Hardware? Speed − Typically, a computer can carry out 3-4 million instructions per second. Binary notation is introduced here. Rebooting may be required if a software or hardware has been installed or system is unusually slow. These days, especially as we enter the era of the 4th Industrial Revolution, computers are an integral and necessary part of our lives. If a system is already running but needs to be restarted, it is called rebooting. All the best. Dragging – clicking and holding on the mouse button. It is positioned on the extreme right-hand side of the keyboard. Arithmetic Logic Unit − This is the brain of the computer where all arithmetic operations and logical operations take place. Computer Basics: Introduction to computers. computer. Two types of memory are used by the computer, one for storing data permanently and second for operating. josiejossy from Nairobi Kenya on May 02, 2012: Great hub, very informative, thanx for sharing, voted up. The problem is how can we make them understand us: 1 Storing the data as bit strings. Computer is an electronic device that receives input, stores or processes the input as per user instructions and provides output in desired format. These programs enable computers to perform an extremely wide range of tasks. Course Introduction. However, modern computers can do a lot more than calculate. Introduction to Hardware: Learn the Basics: Welcome to this short guide about the insides of your computer. Spacebar - Used for creating a space while typing. Be it school, banks, shops, railway stations, hospital or your own home, computers are present everywhere, making our work easier and faster for us. I mean, you understand where I am coming from and what I want to achieve by coming up with these 'back to basics guides'. ISBN 0-470-86398-6 (Paper : alk. Take advantage of this course called Basic Computer course book download to improve your Others skills and better understand computer basic.. Voting up and sharing. Well done. A computer consists of four major parts: the input, output, CPU (central processing unit), and memory. The processing of input to output is directed by the software but performed by the hardware. It is used for scrolling or navigating through an open document. Being a modern-day kid you must have used, seen, or read about computers. We have different types of keyboards based on their layouts but their mode of operation is basically the same. Control unit, arithmetic logic unit and memory are together called the central processing unit or CPU. The concepts taught apply to all programming languages. Hope you enjoy, feel free to ask any questions in the comments. Computer software contrasts with computer hardware, which is the physical component of computers. INTRODUCTION. 1. 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. March 10, 2019 it guide lk 4 Comments. Also, data is safe from normal wear and tear associated with paper. Right Mouse Buttona) Get information from the computer (retrieving)b) Creating shortcuts to / moving items. 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. The keyboard as an input device contains a number of keys that are pressed in order to enter the desired data into the computer. Errors that may occur are usually due to inaccurate data, wrong instructions or bug in chips – all human errors. * The asterisk - Used for multiplication. Most mice have two buttons—a right and a left button—and a scrolling wheel. Alternate key – (alt) Used to change the function of other pressed key and the results will vary depending on the program. Patrick, a computer technician, is a dedicated writer who wishes to make the world better by informing individuals who seek more knowledge. For moving items by clicking, holding on and then dragging them. Double click – clicking twice on the mouse left button. Digital computers are more accurate and faster as compared to analogue computers. Computer software, or simply software, also known as computer programs, is the non-tangible component of computers. - Subtraction sign – used for subtraction (difference) calculations. Control key – (ctrl) When pressed with another key, it performs a special operation. Regular electric supply is necessary to make computers work, which could prove difficult everywhere especially in developing nations. An electronic device that stores, retrieves, and processes data, and … 5. to kno w some basic things about the computer an d the world. Booting takes place in two steps −. All devices or parts of computer interact through the control unit. Introduction to Computer. 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. Basic Computer Components Computers come in different shapes and sizes. Loading operating system into computer’s main memory, Keeping all applications in a state of readiness in case needed by the user. A computer … Introduction 1 Introduction A computer is the fool on the hill!! You can check the previous part on introduction to computers which is a good guide for beginners. Warm booting is faster than cold booting because BIOS is not reloaded. 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. Just press the button in and release it. ____ 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! Starting a computer or a computer-embedded device is called booting. Learn to use a computer with ease. This unit provides a brief introduction to computer hardware and software. Computers can do the same task repetitively with same accuracy. The processes that can be applied to data are of two types −. QA76.6.G575 2003 005.1 dc22 2003020686 British Library Cataloguing in Publication Data An electronic device that stores, retrieves, and processes data, and can be programmed with instructions. COMPUTER BASICS Seema Sirpal Delhi University Computer Centre. A computer is an electronic device that accepts data from the user, processes it, produces results, displays them to the users, and stores the results for future usage. Used in a word processor, it will take you one line down. Booting is the process by which the computer loads the system files into the main memory in readiness for use. Computer as a revolution left no are a o f life untouched in the p resent world. Introduction to Computer Computer A computer is an electronic device, operating under the control of instructions stored in its own memory that can accept data (input), process the data according to specified rules, produce information (output), and store the information for future use1. You should be able to locate the power button for both of them. There are many core concepts that are important for all programmers to understand, no matter what programming language they use. What’s a CPU? Includes bibliographical re ferences and index. Computers have no intelligence; they follow the instructions blindly without considering the outcome. Numeric/Punctuation Keys - These are the series of keys on top of the alphabetical keys. Input device. Once you power on your computer, you should be able to see some text and graphics appearing on your screen. This is because they are an integral part of our everyday existence. The monitor and the system unit of a desktop computer must be turned on. Both hardware and software are necessary for working of a computer. Or simply put, moving the contents of a page up or down. 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. 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. 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. 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. Types of computers can be classified according to operation principles. Tag Archives: introduction to computer basics pdf. What is a Computer? I like that you include info about starting the computer. A pointing device that senses movement, it is used to interact with items displayed on the computer screen by clicking buttons. Primary memory resides within the CPU whereas secondary memory is external to it. It i s of tremendou s he lp in . !H- 2 Course adapted from National Institute on Aging (2007) Helping Older Adults … To understand why computers are such an important part of our lives, let us look at some of its characteristics −. Control Unit − As the name suggests, this unit controls all the functions of the computer. Hardware vs. Software Hardware includes the parts of the computer system that you actually can touch (like the keyboard, mouse, monitor, or CPU). a piece of software permanently programmed into the hardware. • A computer is made up of hardware. The computer revolution of the last two decades has transformed lives the world over. They only understand combinations of on/off electrical signals. Versatility − Computers can carry out a wide range of work from data entry and ticket booking to complex mathematical calculations and continuous astronomical observations. Computers can take up routine tasks while releasing human resource for more intelligent functions. To highlight by clicking, holding down the left button and then dragging on the text you want to select. 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. Accuracy − Computers exhibit a very high degree of accuracy. Yet computers are so useful especially for those trying to earn an extra income or trying to work from home. on October 17, 2019: Patrick Kamau (author) from Nairobi, Kenya on September 25, 2012: Teresa Schultz, thank you for your encouraging comment. This course is designed to teach you how to use a computer at a basic level. The corresponding figure for an actual computer looks something like this −, The basic parts of a computer are as follows −. My aim is to help others to learn about computers so that they can utilize them to the maximum. Content is for informational or entertainment purposes only and does not substitute for personal counsel or professional advice in business, financial, legal, or technical matters. Windows logo key - once pressed it brings out the start menu. However, there are several parts on a computer that are universal to all computers. A beginner s introduction to computer programming : you can do it! Raw facts and figures which can be processed using arithmetic and logical operations to obtain information are called data. Functionalities of a computer2 The Mouse This is the other way to interact with your computer. I also did my computer basics like 7 years ago, I am glad that now I am earning online. [Read more…] about Types of Computer Memory. Let us start with defining the term computer formally. As they are such integral parts of our lives, we must know what they are and how they function. Memory is of two types – primary memory and secondary memory. BIOS is a firmware, i.e. paper) 1. / Forward Slash - Used for calculations dealing with the division. Right-click – clicking on the right mouse button. The keyboard is an input device that will help you enter raw data into your computer. Output Unit − Devices like printer and visual display unit that are used to provide information to the user in desired format are called … We've released a 2-hour video course to teach the basics of computer science. If you are new to computers or just want to update your computer skills, this free Computer Basics tutorial will show you how. Yes, that is They need a basic program to do something. Posts about introduction to computer basics written by it guide lk. Input consists of anything you will add into the computer (microphone, keyboard, mouse, scanner), and output is how the computer gives back to you (think screen, speakers, etc.). I. Page down - for navigating through pages that are down the current page. Shift key (Shifts from uppercase characters to the lower case and vice versa and helps us to type the characters on top of any key with two sets of characters.). Cold Booting − When the system is started by switching on the power supply it is called cold booting. • Hardware is the physical components of a computer system e.g., a monitor, keyboard, mouse and the … Frank Fiamor, This is a very insightful literature on the introduction to computers.Thank you. This course is meant for people who are interested You don't need anything except a computer … A computer is a machine that can be instructed to carry out sequences of arithmetic or logical operations automatically via computer programming.Modern computers have the ability to follow generalized sets of operations, called programs. Input Unit − Devices like keyboard and mouse that are used to input data and instructions to the computer are called input unit. The set of instructions or programs that make the computer function using these hardware parts are called software. This article is accurate and true to the best of the author’s knowledge. Data is a collection of unorganized facts & figures and does not provide any further information regarding patterns, context, etc. It is a hardware device that assembled on the motherboard for storing data and instructions for performing a task on the system. Patrick Kamau (author) from Nairobi, Kenya on May 02, 2012: Thanks josiejossy, for the vote. If you can input the necessary data with correct instructions, computer will do the processing. Page up - For scrolling through pages that are above the current page. Arithmetic operations − Examples include calculations like addition, subtraction, differentials, square root, etc. 6 years ago I knew nothing about computers and didn't even know where to find the start button! Teresa Schultz from East London, in South Africa on September 25, 2012: Excellent hub for beginners using computers. The most common types of mice have got three buttons. Glad that you enjoyed reading the hub. 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… The modern electronic equipment uses the same symbol a zero (0) and a one (1) inserted on it to denote the power on and off button. We cannot see or touch software. For you to be able to use a computer, you must turn it on. In simple terms, it is the start-up process of a computer. Complete introductions. Just have a look at the symbol on your Mobile's on / off button to get the picture. This has a youtube counterpart which is below. It’s … 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 … The literal meaning of computer is a device that can calculate. that we can see and touch are the hardware components of a computer. As part of your computer introduction it is important to understand the different types of machine in existence today, and what their role is. 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). These provide information to a computer, such as typing a letter or giving instructions to a computer for performing a task. Be patient and wait for your computer to load/boot/start. They are used widely in the research, business, education, … 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 … Backspace - For deleting (erasing) characters to the left of the cursor. As a computer learner, you need to know more about the keyboard and mouse because you will be interacting with them a lot. p. cm. 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. Storage Capacity − Computers can store a very large amount of data at a fraction of cost of traditional storage of files. Mouse. Warm Booting − When the system is already running and needs to be restarted or rebooted, it is called warm booting. The mouse is an important input device used generally in computers for pointing, clicking and dragging. With increasing digitization, knowing how to operate computers has almost become a basic …  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 … The next step in cold booting is loading of BIOS. Computer devices like keyboard, mouse, printer, etc. Memory − All input data, instructions and data interim to the processes are stored in the memory. Computer input is called data and the output obtained after processing it, based on user’s instructions is called information. Title. Return key or Enter key (Help us to go to the next paragraph). Introduction to programming Computer programming is the process of designing and writing computer programs. Num Lock – For turning on and off the numeric keypad. PLAY. lessons. Remember to check the others too. 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. 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. These keys are arranged in a specific way on your keyboard. STUDY. It contains:-. / Francis Glassborow. 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). Despite so many advantages, computers have some disadvantages of their own −. Think of this as your hand inside the computer. Computer programming. Initially, I thought it is only in Africa that we are technologically challenged, but I have come to realize these challenges are world-wide. Types of Computers According to Size and Power. INTRODUCTION. Ask if any have prior … However, any introductory course in the use of micro-computers is likely to have covered this material already. The CPU or central processing unit is located on the motherboard and is the part of the computer where all that input/output informa… The first program or set of instructions that run when the computer is switched on is called BIOS or Basic Input Output System.