Computer hardware is all the physical components that are used to give instructions to the computer. The proliferation of mobile computing devices has dramatically increased. An input device lets you communicate with a computer. Pdf a computer system consists of hardware components that integrate. Find the office and computer equipment manual you need at manualsonline. Hardware represents the physical and tangible components of a computer, i. Software provides the means for accomplishing many different tasks with the same basic hardware.
Track ball is an input device that is mostly used in notebook or laptop computer, instead of a mouse. Nov 22, 2016 input devices pointing devices keyboard optical input devices audio input device video inpu device 7. Computer hardware includes the physical, tangible parts or components of a computer, such as the cabinet, central processing unit, monitor, keyboard, computer data storage, graphics card, sound card, speakers and motherboard. Hardware components are further divided into three groups. Processing the central processing unit cpu is the main chip in a computer. Here, we bring a computer hardware chart for an indepth view of what your computer is all about. The diagrammatic representation of the classification of. You can use input devices to enter information and issue commands.
Any part that we can see or touch is the hard ware. Some exams like sbi po, sbi clerk, ibps po, ibps clerk, ssc cgl, railways rrb etc. Ppt computer hardware powerpoint presentation free to. Examples of hardware in a computer are the keyboard, the monitor, the mouse and the central processing unit. The software is data thats stored electronically, like an operating system or a video editing tool, which runs on the hardware. Presentation about computer hardware linkedin slideshare. Similarly, computer software has to first be loaded into the computers hardware and then executed. Input devices include a keyboard, mouse, microphone, video camera, and image scanner. Computer hardware is a general term to describe all the physical parts of a computer system. Affordable and search from millions of royalty free images, photos and vectors. So dear reader i have provided top expected gk questions from input and output device of the computer. Conversely, computer software cannot be used without supporting hardware. Computer hardware questions and answers pdf free download,objective troubleshooting questions,multiple choice questions,lab viva,online quiz,test.
Computer hardware books this section contains free ebooks and guides on computer hardware, some of the resources in this section can be viewed online and some of them can be downloadable. Pointing devices a pointing device, or sometimes called a pointing tool, is a hardware input device that allows the user to. Computer hardware is divided into two main categories. There are many different kinds of hardware that can be installed inside, and connected to the outside, of a computer. Hardware and software are interconnected, without software, the hardware of a computer would have no function. Below is a quiz testing general knowledge of computer hardware for a 78th grader to help them meet the az technology standards. This is a ball which is half inserted and by moving fingers on ball, pointer can be moved. Relationship between operating system, computer hardware. Working with computer systems involves many facets, from the physical makeup of the computer itself to the programs created to perform. System software includes operating systems, device drivers, diagnostic tools and more. Now a day computer is one of the most important fields for every examination.
Node devices any computer or peripheral that is connected to the network. Vulnerabilities and solutions gedare bloom, eugen leontie, bhagirath narahari, rahul simha 12. A computer system isnt complete unless theres also software, which is different than hardware. Computer hardware is an integral part embedded in all modern day automobiles, microwave ovens, electrocardiograph machines, compact disc players, and other devices. Input devices input is any data or instructions entered into the memory of a computer. The hardware book is freely distributable but is ed to joakim ogren. Computer hardware systems, along with several software concepts, are studied to understand the function and relationship of the cpu, memory, and peripheral equipment. Computer hardware mcq questions and answers pdf download. But output devices are used to get the result back from the computer.
This video will identify each piece of hardware that makes up a computer. Computer hardware is the physical components of the computer, refers to the tangible things you can touch components of a computer system. Peripheral device, also known as peripheral, computer peripheral,inputoutput device, or inputoutput device, any of various devices including sensors used to enter information and instructions into a computer for storage or processing and to deliver the processed data to a human operator or, in some cases, a machine controlled by the computer. We will demonstrate how to open it up, take it apart and. Examples of input devices include keyboards, mice, scanners, digital cameras and joysticks. In computing, an input device is a peripheral piece of computer hardware equipment used to provide data and control signals to an information processing system such as a computer or other information appliance. Different networking devices and hardware types hub, switch. A desktop computer is comprised of many diverse components. Computer hardware includes all the electrical, mechanical, and the electronic parts of a computer. Computers are made of electronic parts called components. Hardware gets its name due to the fact that its strict when it comes to modifications, whereas software is more. Monitor, printers, and speakers are output devices. Computer science and engineering history of computer hardware and software development arthur tatnall encyclopedia of life support systems eolss 5. Pdf computer input and output devices ingamule siraji.
Computer hardware presentation linkedin slideshare. Following are some of the important input devices that are used in a. These components include the central processing unit, primary memory, and the system board. China computer hardware manufacturers wholesale 2020 high quality computer hardware products in best price from certified chinese hardware wholesalers, china computer manufacturers, suppliers and factory on. One of the oft seen topics in computers is hardware. Device drivers are programs that control particular hardware devices. Input devices it is an electromechanical device that can be used to enter data and instructions to the computer. Jul 03, 2017 download computer memory ppt pdf presentation. The term computer hardware refers to the physical components of a computer, namely keyboard, monitor, mouse, and printer, including the digital circuitry. Keyboards are mostly used input devices as its required to type commands, letter or any software that requires you to type on. Memory is an internal storage area in a computer, which is availed to store data and programs either permanently or temporarily.
Computer hardware is organized according to these basic functions. Input devices over the years have included paper tape, punched cards, keyboards, mouse, touch screen and voice. They can be used by the computer to create a picture of whatever the camera had been pointed at. Computer science and engineering history of computer hardware and software development arthur tatnall encyclopedia of life support systems eolss history of computer hardware and software. In contrast to software, hardware is a physical entity. Computer memory is broadly divided into two groups and they are. A keyboard is a human interface device which is represented as a layout of buttons. China computer hardware, computer hardware wholesale. Inside a computer hardware and software tejas, jyoti and their friends along with moz are examining an open cpu. Computer parts can be divided into two groups, hardware and software. The hard drive, the tape drive, the floppy disk, and the cdrom drive are storage devices. Jun 11, 2015 computer hardware seminar and ppt with pdf report. Output devices an output device lets a computer communicate with you.
The system unit contains the electronic components used to process and temporarily store data and instructions figure 3. Parts that were once hand made at a cost of thousands of manhours are now mass produced for a fraction of a rupee. Computer operation requires both hardware and software. Computer hardware is the physical part of the computer system, the machinery and equipment. Hardware, computer machinery and equipment, including memory, cabling, power supply, peripheral devices, and circuit boards.
Resolving resource conflicts with plugandplay devices. Top terms include output device, input device, device driver, and thousands more. The main hardware and software components of a computer. Hardware and software are mutually dependent on each other. When the main memory holds instructions and data when a program is executing, the auxiliary memory or. 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. Computer hardware chapter summary and learning objectives. By contrast, software is instructions that can be stored and ran by hardware. Mar 31, 2020 computer hardware refers to the physical components that make up a computer system.
The motherboard is made up of even more parts that power and control the computer. Computer hardware includes computer hardware includes 3 system unit 3 peripheral devices 3 input devices i. Input devices an input device is any hardware component that allows you to enter data and instructions into a computer. Computer hardware may sometimes be seen abbreviated as computer hw. Digitizer is also known as tablet or graphics tablet because it converts graphics and pictorial data into binary inputs. Hardware and software in this section of notes you will learn about the basic parts of a computer and how they work. These components include the central process ing unit, primary memory, and the system board. Input devices an input device lets you communicate with a computer. One of the important jobs of an operating system is to manage various io devices including mouse, keyboards, etc. Computer hardware is the physical parts or components of a computer, such as the monitor, keyboard, computer data storage, graphic card, sound card and motherboard. Each button, or key, can be used to either input a linguistic character to a computer, or to call upon a particular function of the computer.
These devices display information on a screen, create printed copies or generate sound. Battery terms cd terms floppy drive definitions hard drive terms keyboard terms memory terms modem terms motherboard terms mouse terms network terms cpu terms scanner terms sound terms tape drive terms video terms. Hardware is the physical components of a computer system e. Computer hardware refers to the physical components that make up a computer system. A track ball comes in various shapes like a ball, a button and a square. Computer hardware terms and related words and jargon relating to computer hardware. Input devices pointing devices keyboard optical input devices audio input device video inpu device. At its core, a computer system is nothing more than a combination of computer parts working together.
Input devices are external devices that can input data into your computer, whereas, output devices output the data. This is also sometime called the machinery or the equipment of the computer. Helps run the computer hardware and computer system itself. Input device is any peripheral piece of computer hardware equipment to provide data and control signals to an information processing system. Pdf computer hardware components ontology researchgate. How computers work processor and main memory roger young. A computer system is made up of a combination of hardware and software.
At a minimum it includes one or more central processing units, and the main processing activity of the computer takes place on it. Practical computer systems divide software systems into two major classes. A computer collects, processes, stores, and outputs information. Connector menu connector tutorial short tutorial heading first at each page there a short heading describing what the. Mcqs on input and output devices gk objective question answer exam question answer for the competitive exam of govt jobs. Since the whole device is not moved, a track ball requires less space than a mouse. Output devices include a monitor, speakers, and a printer.
Pointing devices a pointing device, or sometimes called a pointing tool, is a hardware input device that allows the user to move the mouse cursor in a computer program or operating system. Computer hardware storage devices this are devices that are use to keep information for future use they may be internal e. The peripheral equipment includes monitors, disk drives, scanners, and printers. History of computer hardware and software development. Quite simply, computer hardware is the physical components that a computer system requires to function. A motherboard is an electronic circuit board in a computer which interconnects hardware devices attached to it. It encompasses everything with a circuit board that operates within a pc or laptop. The following is a list of the most common input devices which are nowadays found in a computer system. Hardware is directed by the software to execute any command or instruction. Mcq input and output device of computer with answers pdf.
It may not be modified and redistributed without the authors permission. Peertopeer network a network in which resources and files are shared without a. A typical computer system consists of a computer case, a. I remember a funny incident that happened to me during my networking lab.
Input devices include keyboards, mice, trackballs, and touchpads. An input device is any hardware component that allows a user to enter data and instructions into a computer. About basic computer hardware every part of your computer is the result of years of research and development. Introduction this chapter introduces the role that computer hardware plays for attack and defense in cyberphysical systems. The most essential parts are the cpu, motherboard, memory ram, power supply, and hard drive or ssd. Computer hardware output devices o any piece of computer hardware equipment used to communicate the results of a data from data processing activity monitors lcd projector printers 6. A graphic tablet as digitizer is used for doing fine works of drawing and image manipulation applications. Both of them must work together to make a computer produce a useful output.