Hardware is any part of the computer that you can touch. Next education is an endtoend academic solution provider to schools. In contrast to software, hardware is a physical entity. Software is the set of instructions or more generally a collection of computer programs which tell the hardware how to work and perform different tasks on a computer system. Unlike hardware, software is not a physical component of your computer, but rather, a program that your computer runs to allow you to do certain things. Notes computer hardware basics the computer a computer is made up of many parts.
Most activities can be described in terms of the inputprocessoutput ipo cycle. With the internet, there is a ton of great information available. The system software is a collection of programs designed to operate, control, and extend the processing capabilities of the computer itself. Sticky notes is also ideal for creating and organizing todo lists, research.
In which describe all the facts related with the computer hardware in easy language and i easily understand all the post related with computer hardware. Computer xi computer science notes home reference notes. Fortunately, with the right guidance, anyone can learn how to work with computers. These software products comprise of programs written in lowlevel languages, which interact with the hardware at a very. Hardware and software in this section of notes you will learn about the basic parts of a computer and how they work.
These instructions are hence as important, if not more than hardware and are called software. Computer hardware is any physical device used in or with your machine, whereas software is a collection of code installed onto your computer s hard drive. To be given in the language of the machine program guidelines say. Software development is very expensive and is a continuing expense. While there are thousands of parts even in the smallest computers that make up its hardware, you are not required to know them all. Items can be moved or selected by pressing the mouse buttons called clicking. The guidelines, which give to the computer is a fixed language. A computer mouse is an input device that is used with a computer. The theory that is the basis for most modern software was first proposed by alan turing in his 1935 essay computable numbers with an application to the entscheidungs problem. James tam basic units of measurement bit binary digit. Competitive exams short notes on computers translation in. Topics of study include computer software and hardware.
Let us start us with a term computercomputer stands for. A set of programs associated with the operation of a computer is called software. This is also sometime called the machinery or the equipment of the computer. Hardware is the machinery of a computer, things like the hard drive and the memory chips.
It controls how the computer does its most basic tasks, like storing files or talking to printers. This unit provides a brief introduction to computer hardware and software. Short notes on software and hardware computer hardware. Are the set of instructions or more generally a collection of computer programs which tell the hardware how to work and perform different tasks on a computer system. With stickynotes, you can write down short notes, ideas, phone numbers, addresses, make todo lists, organize research and class notes on your desktop. Basic computer hardware notes copy all agp the accelerated graphics port is a high speed connection to the motherboard for video cards. About basic computer hardware every part of your computer is the result of years of research and development. The hardware of a computer is not changed frequently, in contrast with software and data. Hardware is limited to specifically designed tasks that are, taken independently, very simple. The history of computing hardware covers the developments from early simple devices to aid calculation to modern day computers. A desktop computer is comprised of many diverse components. Software can be classified into the following major categories.
Introduction to computing lecture notes and computer. This includes the computer case, monitor, keyboard, and mouse. Examples of hardware in a computer are the keyboard, the monitor, the mouse and the central processing unit. The word computer comes from the word compute which means to calculate. The little man computer lmc is a software simulator of a simple computer with a cpu, memory, and a basic instruction set. Hardware and software are interconnected, without software, the hardware of a computer would have no function. Notes tracker application can be easily navigated from icon in the system tray to view, edit and delete created list of notes. Downloading free computer courses and tutorials in pdf. Basic computer hardware notes corvallis high school. Software is a set of electronic instructions consisting of complex codes programs that make the computer perform.
It uses graphics pictures to connect you to the computer s hardware and software in an easytounderstand hopefully. The part which activates the physical components cs alled software. Different software applications can be loaded on a hardware to run different jobs. Basic computer hardware notes in pdf testbook blog. We have included this unit to help those who are teaching students with no computer background. The present computers are much advanced in terms of. Apr 08, 2015 the best computer science as and a level notes, revision guides, tips and websites compiled from all around the world at one place for your ease so you can prepare for your tests and examinations with the satisfaction that you have the best resources available to you. Software programs that run on the hardware can be made and by whom all our work without software from the computers impossible to get any work done. Operating system controls computer s hardware, run the computer s programs and organizes files. One of the oft seen topics in computers is hardware. Before the 20th century, most calculations were done by humans.
Every computer is composed of two basic components. Operating system is defined as a system software that manages computer hardware and software resources and provides common services for computer programs. Windows is a software, so is any other program that runs on your. If the hardware is the heart of a computer system, then the software is its soul. Central processing unit cpu or processor for short. It is the smallest unit of information handled by a computer. Computer parts can be divided into two groups, hardware and software. In computer science and software engineering, computer software is all computer programs. The seeming miles of wires that get tangled on your desk, the cd drive, the monitor are all hardware.
Short notes computer software free download short notes. Short notes on software, hardware, peripheral and pasteurization software. Faster than a pci card and doesnt use the system memory. Basic computer hardware notes in pdf computer awareness is tested in almost every exam. This computer hardware tutorial is prepared from basicstoadvanced concepts of computer hardware. Moving a mouse along a flat surface can move the cursor to different items on the screen. However, without the creation of hardware to perform tasks directed by software via the central processing unit, software would be useless. Basic computer hardware questions are easy to remember and can count for easy marks. A computer may be defined as an electronic device, which can store and manipulate data and provide result according to instructions fed by the user.
Computer hardware is what you can physically touch. If the screen is black, move the mouse and wait for a little while. The most important software you should know of when getting into computers is the operating. The screen goes black to save energy when noone have been using the computer for a while. The five generations of computers webopedia reference.
For desktop computers, the mouse is placed on a flat surface such as a mouse pad or a desk and is placed in front of your computer. You can use stickynotes to write down short notes, ideas, phone numbers, and address. For example, without your internet browser software, you could not surf the internet or read this page. Computer mouse simple english wikipedia, the free encyclopedia. Use these computer notes to familiarize yourself with basic computer hardware. You can send notes across the internet to all your friends. Chapter one 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. It includes the features that responsible for directing the work to the hardware. Computer hardware notes software free download computer. Computer hardware is any physical device used in or with your machine, whereas software is a collection of code installed onto your computers hard drive. The site was designed to help you understand about computer hardware. Its primary work is to control, integrate and manage the individuals hardware components of the computer system.
A computer mouse is a handheld hardware input device that controls a cursor in a gui and can move and select text, icons, files, and folders. There are many websites like computer where you can find courses and tutorials for popular software applications and it tools. It is considered to be a subset of information and communications technology ict. Sometimes abbreviated as sw and sw, software is a collection of instructions that enable the user to interact with a computer, its hardware, or perform tasks. Computer hardware is the collection of physical parts of a computer system.
These components include the central processing unit, primary memory, and the system board. A full range of lecture notes, assignments, and tutorials is available. Bios the basic inputoutput system controls the computers basic operations and is responsible for starting up the computer and hardware. Inputoutput io devices these allow you to send information to the computer or get information from the computer. Some exams like sbi po, sbi clerk, ibps po, ibps clerk, ssc cgl, railways rrb etc. Ccommonooperatingmmachinepparticularlyuused forttechnicaleeducation andrresearchdisplay devicesa computeris a computing device made up of many distinct electronic components that all functiontogether in order to accomplish some useful task. Today, many computer mice use wireless technology and. To make the hardware work, you require a set of programs. Computer hardware refers to the physical components that make up a computer system, such as the monitor, keyboard, computer data storage, graphic card, sound card and motherboard. The hardware alone cannot perform any particular calculation or manipulation without being instructed exactly what to do and in what order to do it. System software is the basic requirement of a computer system. It uses graphics pictures to connect you to the computers hardware and software in an easytounderstand hopefully. The various solutions are adequately provided to the specific needs of. Chapter one 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.
Computer repair notes free toolbar for mozilla firefox. List of free online computer hardware courses and classes. Making the transition to computers can feel intimidating at first. It also includes all the parts inside the computer case, such as the hard disk drive, motherboard, video card, and many others. However, any introductory course in the use of microcomputers is likely to have covered this material already.
Computer hardware is the collection of all the parts you can physically touch. Todays mice have two buttons, the left button and right button, with a scroll wheel in between the two. This term may as well be used for a group of computers that are connected and work together, in particular a computer network or computer cluster. Hardware is the physical components of a computer system e. This video will identify each piece of hardware that makes up a computer. An information technology system it system is generally an information. Stickynotes is a great tool to jot down, manage and organize all your information. System software is generally prepared by the computer manufacturers. Hardware and software are interconnected, without software, the hardware of a computer. Information technology it is the use of computers to store, retrieve, transmit, and manipulate data or information. A computer therefore, is a collection of electronic parts body with a set of instructions controlling it mind. It runs on top of windows, icon only uses system tray, and restores itself on systemstart if previously was left opened. The software acts as an interface between the user and the computer.
All cpplication softwareomputer programs require an operating system to function. They usually come in the form of a textbook and you will get access to a knowledge data base that is useful even for people with some it knowledge. Without an operating system, the browser could not run on your computer. These are physical devices that you can look at and touch. The term software was first used in this sense by john w. A complete computer including the hardware, the operating system main software, and peripheral equipment required and used for full operation can be referred to as a computer system. The software that helps to activate the computer system and provide operating environment for other application software is called system software. Computer hardware is an integral part embedded in all modern day automobiles, microwave ovens, electrocardiograph machines, compact disc players, and other devices. Windows is a software, so is any other program that runs on your computer. What are the differences between hardware and software. The system unit contains the electronic components used to process and temporarily store data and instructions figure 3. Many many thank for providing such type of valuable notes.
A computer system includes the computer along with software and hardware that are necessary to operate a computer. Hardware refers to the physical elements of a computer. You will see a loginpromptat which you have to write your usernameand you will be asked for. At the lowest level software is in a form of an assembly language, a set of instructions in a machineunderstandable form. Microsoft windows xp is an example of an operating system. A computer s hardware is comprised of many different parts, but perhaps the most important of these is the motherboard. Optical mouse, wireless mouse, mechanical mouse, trackball mouse. Early mechanical tools to help humans with digital calculations, like the abacus, were called calculating machines, called by proprietary names, or referred to as calculators. Different types of software also called software programs are used on pcs. A software acts as an interface between the user and the hardware. Software is a set of electronic instructions consisting of complex codes programs that make the computer perform tasks. Mar 27, 20 a desktop computer is comprised of many diverse components. This is a simple but useful noter application, which you can use to take short notes easily for fast reach on your desktop. For example, the computer monitor you are using to read this text and the mouse you are using to navigate this web page are computer hardware.
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