This unit provides a brief introduction to computer hardware and software. A solid understanding of these computer internals will come in handy when troubleshooting hardware related problems, and taking things apart to see how they work is just super fine. Knowing your computer hardware components is beneficial when it comes to troubleshooting. Tentative topics will include computer organization, instruction set design, memory system design, pipelining, and other techniques to exploit parallelism. When talking about computer systems, hardware means the physical parts of the computer. The software, hardware and database described in this document are. Hardware and software in this section of notes you will learn about the basic parts of a computer and how they work. Hardware and software are interconnected, without software, the hardware of a computer. Examples of hardware in a computer are the processor, memory devices, monitor, printer. Examples of hardware in a computer are the keyboard, the monitor, the mouse. The elements of a computer based system are described in the three following scenarios. In contrast, software is instructions that can be stored and run by hardware. These components include the central processing unit, primary memory, and the system board.
In computer science and software engineering, computer software is all information processed by computer systems, programs and data. A computer is a box that you put some stuff in, the box does stuff with it, and then the box has some way of showing the world what it has done. A software acts as an interface between the user and the hardware. Hardware refers to the physical elements of a computer. Basic computer hardware notes in pdf computer awareness is tested in almost every exam. Jerome holman, and microsoft founder bill gates explain how a computers hardware and software work together. A computer based system is a system in which a computer is involved and consists of three major elements. Computer devices like keyboard, mouse, printer, etc.
It includes not only the computer proper but also the cables, connectors, power supply units, and peripheral devices such as the keyboard, mouse, audio speakers, and printers. The software components of a computer system are the data and the computer programs. Hardware is sotermed because it is hard or rigid with respect to changes, whereas software is. Introduction computer systems hardware concepts, software. If the hardware is the heart of a computer system, then the software is its soul. Ppt introduction to computer hardware and software. An ebook reader can be a software application for use on a computer such as microsofts free reader application, or a booksized computer the is used solely as a reading device such as nuvomedias rocket ebook. Introduction to computer hardware chapter exam instructions. Click here to see the desktop system these notes were originally prepared on. Computer hardware refers to the physical parts or components of a computer. One of the oft seen topics in computers is hardware. Programmers are also known as software developers, or just plain developers. The most common use keyboard is the qwerty keyboard. A lesson in introduction to computers, a course in school.
In contrast to software, hardware is a physical entity. The set of instructions or programs that make the computer function using these hardware parts are called software. Introduction to computer hardware and software 1 introduction to computer hardware and software 2 definition of a computer. The software is the instructions that makes the computer work. A computer that is uprightit looks like someone took a desktop pc and turned it on its side. Computer hardware is the collection of all the parts you can physically touch. Hardware that allows your computer to communicate with you. Hardware hardware is the physical aspect of computers, telecommunications, and other devices. Jan 16, 2014 part one of a twopart lesson teaches you about your computer s hardware. 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. In this section of notes you will learn about the basic parts of a computer and how they work. Computer hardware includes the physical parts of a computer, such as the case, central processing unit cpu, monitor, keyboard, computer data storage, graphics card, sound card, speakers and motherboard by contrast, software is the set of instructions that can be stored and run by hardware. Hardware, software, and user where the user may be another computer system. Acmp 20062008 uaf geophysical institute a1 basic computer hardware and software overview.
A computer that is flat and usually sits on a desk. Mar 31, 2012 agenda introduction harware types of hardware software types of software 3. We have included this unit to help those who are teaching students with no computer background. The big picture a computer system has three main components. Both hardware and software are necessary for working of a computer. Computer hardware consists of interconnected electronic devices that we can use to control computers operation, input and output. Software is any set of machinereadable instructions that directs a computer s processor to perform specific operations. People, however, are the most important component of a computer system people use the power of the computer for some purpose. Computer hardware is any physical device used in or with your machine, whereas software is a collection of code installed onto your. Paul mullins, slippery rock university these notes began life as the wikiversity course introduction to computers. In the case of personal computers, some of the input, output, and storage devices are built into the same physical unit. Every computer is composed of two basic components. Introduction to computer hardware slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Understanding how computer hardware works is a really helpful skill set in it support, since an it department maintains the hardware that a company uses.
It is divided into two main categories hardware software 4. This is also sometime called the machinery or the equipment of the computer. These components can be broken down into two major categories. Learn computer vocabulary introduction hardware with free interactive flashcards.
Computer hardware is the collection of physical elements. The equipment associated with a computer system is called hardware. Hardware and software introduction to computing and internet. Powerpoint slide on introduction to computers compiled by j vidya sagar. A computer system is a collection of related components that have been designed to work together. Computer hardware is the collection of physical elements that constitutes a computer system. Computer repair notes free toolbar for mozilla firefox. People, however, are the most important component of a computer system people use the. These notes began life as the wikiversity course introduction to computers. Introductiona computer is an electronic device that accept data input and, process data arithmetically and logically, produceinformation output. A computer is an electronic device, operating under the control of instructions stored in its own memory unit, that can accept data input.
Examples of hardware in a computer are the keyboard, the monitor, the mouse and the central processing unit. A computer system includes the computer along with software and hardware that are necessary to operate a computer. A computer is an electronic device, operating under the control of instructions stored in its own memory unit, that can accept data input, process data arithmetically and logically. The computer is a two part system consisting of a body that is the hardware and a mind that is the software. Introduction computer systems hardware concepts, software concepts, primary memory unit, output devices, introduction to computer system hardware concepts a computer is an electronic device that processes input data and produces result output according to a set of instructions called program. Software development is very expensive and is a continuing expense. Software is just instructions written by a programmer which tells the computer what to do. The material covered is just the general information. Computer hardware 3 lectures introduction to code 5 lectures artificial intelligence 1 lecture the internet and the web4 lectures human computer interaction 1 lecture.
However, any introductory course in the use of microcomputers is likely to have covered this material already. Software the instructions that tell the computer and computer networks what to do. A computer like a thin client and server could be set up to run without a. Basic computer hardware questions are easy to remember and can count for. Computer hardware is the physical parts or components of a computer, such as the monitor, mouse, keyboard, computer data storage, hard disk drive hdd, graphic cards, sound cards, memory, motherboard, and so on, all of which are physical objects that are tangible. Keep in touch read music notes sing n learn hn from 2 to 17 different notes in treble clef and bass clef, treelasticpad treelasticpad is a simple, intuitive computer notes hotel computer software hotel computer software is a system designed to simplify. Computer repair notes ie computer repair notes ie free toolbar.
Word processing software uses the computer processor, memory, and. Use these computer notes to familiarize yourself with basic computer hardware. A combination of hardware and software forms a usable computing system. Peripheral equipment includes all input, output, and secondary storage devices. Jul 27, 2007 introduction to computer hardware slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Any kind of computers consists of hardware and software. The word computer comes from the word compute which means to calculate.
Introduction to computer hardware practice test questions. The system unit contains the electronic components used to process and temporarily store data and instructions figure 3. Different software applications can be loaded on a hardware to run different jobs. Introductiona computer is an electronic device that accept data inputand, process data arithmetically and logically, produceinformation output. If possible, have one or more types of computers available to show students the hardware components found on different computer models. 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.
Computer hardware is the collection of all the parts you can physically. The screen goes black to save energy when noone have been using the computer for a while. Software means the programs and data used with the physical computer. Hardware and software are interconnected, without software, the hardware of a computer would have no function. This lesson is an introduction to basic computer hardware and software. The major components of generalpurpose computer system are input unit, maininternal memory or storage unit, output unit, central processing unit. You will see a loginpromptat which you have to write your usernameand you will be asked for. We will demonstrate how to open it up, take it apart and discuss the make up of the mother board, and then put it back.
However, any introductory course in the use of micro computers is likely to have covered this material already. With the internet, there is a ton of great information available. A computer program is a set of instructions to solve a particular problem. For fixing your pc and eliminating these programs, you should scan with a proper antivirus program.
Computer hardware notes software free download computer. 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. Computer hardware usually simply called hardware when a computing context is concerned is the collection of physical elements that constitutes a computer system. Mar 27, 20 this video will identify each piece of hardware that makes up a computer. Devices that allow you to hear sound from the computer. Choose your answers to the questions and click next to see the next set of questions.
James tam basic units of measurement bit binary digit smallest unit of measurement two possible values byte 8 bits word the number of adjacent bits that can be stored and manipulated as a unit 32, 64 for home computers, 128 for the. What are the differences between hardware and software. The key points are understanding what the components are called, but more importantly, understanding the basics of what they do and how they work together. Most activities can be described in terms of the inputprocessoutput ipo cycle. The windows registry holds information regarding hardware and software settings on your computer. Computer hardware is any physical device used in or with your machine. This is in contrast to physical hardware, from which the system is built and actually performs the work. Hardware represents the physical and tangible components of a computer i. Computer software, or simply software, is a collection of data or computer instructions that tell the computer how to work. The hardware components of a computer system are the electronic and mechanical parts. Basic computer hardware questions are easy to remember and can count for easy marks. Introduction to computerswhat is a computer wikiversity. About basic computer hardware every part of your computer is the result of years of research and development. Computer hardware repairs and maintenance presentaon by akusa peter aker.
To get a particular job done on the computer, relevant software should be loaded into the hardware. Introduction to computing lecture notes and computer exercises. Difference between hardware and software geeksforgeeks. Firmware is the intermediate form between hardware and software, which consists of software embedded in electronic chips. Introduction to computing lecture notes and computer. 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. This was back when anything to do with computers had to be beige. We will be getting to know about primary memory vs secondary memory through primary memory example. Introduction to computers 1 james tam introduction to computers. The physical components of a computer are the hardware, and the digital programs running on the hardware are the software.
Introduction to computer hardware hardware of personal computers lesson 2 part 1. Introduction to computer repair and maintenance tutorial. The motherboard is made up of even more parts that power and control the computer. This is session is about basics of hardware and software basics of hardware and software. Presented by arrash jaffarzadeh filmed by savannah silva. A computer therefore, is a collection of electronic parts body with a set of instructions controlling it mind. A computer internet course for older adults module 1 handouts.
The term computer hardware or computer parts is used to describe computer components that can be seen and touched. If the screen is black, move the mouse and wait for a little while. These data will get access to your pc through loopholes in the operating system or in application software. The hardware devices attached to the computer are called peripheral equipment. Introduction to computer hardware hardware coursera. In catalogs, the word desktop is sometimes used as a name for both the flat design style pictured above and. Ultimately, computer software is the systems logic computer users. A computers hardware is comprised of many different parts, but perhaps the most important of these is the motherboard.
Computer hardware monitor primary device for displaying information from the computer tower metal casing that holds all of computers components. You would have often heard the term computer system, which is normally shortened to system. Hardware is the physical components of a computer system e. Introduction to computershardware and software wikiversity. If you continue browsing the site, you agree to the use of cookies on this website. Hardware and software are interconnected, without software, the hardware of a. This work is licensed under a creative commons attributionsharealike 3. The word software is used for the information used with such devices. 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. For as long as there has been computer hardware, there has also been computer software. However, most of a computers hardware cannot be seen. In contrast to software, hardware is a physical entity, while software is a nonphysical entity. The word hardware is used for physical devices such as tv sets, dvd players and computers. Some exams like sbi po, sbi clerk, ibps po, ibps clerk, ssc cgl, railways rrb etc.
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