Keyboards allow a computer user to input letters, numbers, and other symbols into a computer. For example, as you can see in the top half of the image, a keyboard sends. Nov, 2018 most devices are only input devices or output devices, as they can only accept data input from a user or output data generated by a computer. Nov 22, 2016 audio input devices records the analog sound and convert it into digital form for further processing. Computer hardware equipment used to communicate the results of data processing carried out by a computer to the outside world. The image below shows where input dev ices fit into a computer system. A track ball comes in various shapes like a ball, a button and a square. Winner of the standing ovation award for best powerpoint templates from presentations magazine. The other drives are locations for external storage of your files. Audio input devices records the analog sound and convert it into digital form for further processing.
Users employ a variety of input devices to interact with the computer, but most user interfaces today are based upon a keyboard and a mouse pointing input device. However, some devices can accept input and display output, and they are referred to as io devices input output devices. This chapter describes the different input types for the element. Keyboard the keyboard is used to type in information and operate the computer. Track ball is an input device that is mostly used in notebook or laptop computer, instead of a mouse. Our new crystalgraphics chart and diagram slides for powerpoint is a collection of over impressively designed datadriven chart and editable diagram s guaranteed to impress any audience. An input device can be defined as an electromechanical devices that allows the user to feed information or data into the computer for analysis, storage and give command to the computer.
Mcq input and output device of computer with answers pdf. The devices which are used to give data and instructions to the computer are called input devices. Following are few of the important output devices which are used in a computer. A joystick is an input device consisting of a stick that pivots on a base and reports its angle or direction to the device it is controlling. It also focuses on the different types of input and output devices used with computers. Input and output devices input devices allow us to send information to the computer. Generally output can be obtained and acquire mainly in two distinct and different ways softcopy and hardcopy. Monitors graphic plotter printer monitors monitors, commonly called as visual display unit vdu, are the main output device of a computer. The input device converts the data into the computers own internal. Devices input and output unit 4 input output devices. Magnetic ink card readermicr micr input device is generally used in banks because of a large number of cheques to be processed every day. Input devices are part of the four main hardware components of a computer system.
The challenge in this field is, thus, to design new devices and types of dialogues that. It responds to a specific set of instructions in a welldefined manner. From which we input the raw data in the computer system for further processing. Computer input devices following are some of the important input devices which. Chart and diagram slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects. In computing, an input device is a piece of computer hardware equipment used to provide data and control signals to an information processing system such as a computer or information appliance.
Computer education provides tutorial on what is an example of an input device and types of input devices which also covers input devices list 10 examples of. Thus, a computer must have a system to receive information from the outside world and must be able to communicate results to the external world. Joysticks are often used to control video games, and usually have one or more pushbuttons whose state can also be read by the computer. The computer will be of no use unless it is able to communicate with the outside world. A computer or laptop keyboard is kind of hardware device that you can use to type data in a computer system. This type of input device can is normally found on cell phones, pdas, tablet pcs, and video games etc.
Input devices keyboard one of the primary input devices used with a computer. In computing, an input device is any 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. To work with these data, we require different types of devices. The output devices of computer system are electromagnetic devices or gadgets that accepts or acknowledge data or informations from computer system and translate and converts the data in human readable or intelligent form. Types of computers and their parts page 1 of 6 source. Cpu controls all the connected input and output devices. Now a day computer is one of the most important field for every examinations. An input device is a piece of hardware that is used to enter data into a computer. Sort which are the input and output devices of the computer and write their names 6. Input devices accept data and instructions from the user. Video input devices are used to entering full motion video recording into a computer. Any hardware component used to enter data, programs, commands, and user responses into a computer scanners and reading devices voice input keyboard pointing device video input digital p.
What is input device types of input devices computer. The following is a list of the most common input devices which are nowadays found in a computer system. The microphone is used for various applications like adding sound to a multimedia presentation or for mixing music. It is most widely used input device to enter data and instructions into the computer. At the point when handled data or information is stored in. In simple terms, input devices bring information into the computer and output devices bring information out of a computer system.
Computer inputoutput ports and interfaces 1 terms and abbreviations. A light pen is a computer input device in the form of a lightsensitive wand used in conjunction with a computer s crt tv set or monitor. These devices can help us enter data into the computer. It forms images from tiny dots, called pixels that are. Input device defined as the inputting tools of the computer. Input and output devices bangladesh open university. This transformation is performed by input interface. Use of computer input devices by older adults adolescent. Mcqs on input and output devices gk objective question answer exam question answer for competitive exam of govt jobs. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that todays audiences expect.
What is the difference between an input and output device. However, there are dozens of other devices that can also be used to input data into the computer. Input devices the work of a computer can be characterized by an inputprocessoutput model in which a program receives input from an input device, performs some processing on the input, and produces output to an output device. This data is given to the computer by using particular devices named computer input devices. Various types of input devices can be used with the computer depending upon the type of data you want to enter in the computer, e. Manual input devices keyboard the most common input device you press keys to input data into the computer the most common type of keyboard is the qwerty keyboard people are familiar with keyboards, so they dont need to be trained skilled typists can work very quickly they are very reliable and cheap many people cannot type and look at the screen at the same time, so typing. Common mass storage devices include disk drives and tape drives. An input device is a piece of computer hardware equipment used to provide. Some common computer input devices reading activity english4it. Many of these are less complex versions of io devices that have been available for larger computer systems. At the most basic level, a computer is a device consisting of three pieces. An input device is one of the hardware devices that help to send various data to the computer and without it, there would be no mode to interact with the computers. Overall, previous experience with computers had a signifi cant impact on the type of device that yielded the highest accuracy and speed performance, with. The picture shows a logitech trackball mouse, which is an example of an input device the most commonly used or primary input devices on a computer are the keyboard and mouse.
The characters in a password field are masked shown as asterisks or circles. Download to transfer data from one computer to another. It allows the user to point to displayed objects, or draw on the screen, in a similar way to a touch screen but with greater positional accuracy. It can execute a prerecorded list of instructions a program. A computer keyboard includes a set of alphabets az, numbers 09, symbols and function keys.
This new class of computers comprises multiprocessors, multicomputers, and vector supercomputers. Computers have multiple drives locations for storing files. Manual input devices keyboard the most common input device you press keys to input data into the computer the most common type of keyboard is the qwerty keyboard people are familiar with keyboards, so they dont need to be trained skilled typists can work very quickly they are very reliable and cheap many people cannot type and look at the screen at the same time, so typing can be. Allows a computer to permanently retain large amounts of data and programs between jobs. What are different types of input devices with examples. A computer has two types of devices which help the user to enter data into the.
Touch screens are the types of input devices for a computer, which works by simply touching the display screen. Think of your computer as a large file cabinet with many drawers and folders in which you place these documents and programs. This is a ball which is half inserted and by moving fingers on ball, pointer can be moved. Pdf computer input and output devices ingamule siraji.
This is the unprocessed form of data because it does not specify something clearly. The most commonly used or primary input devices on a computer are the keyboard and mouse. In computing, an input device is a piece of computer hardware equipment used to provide data and control signals to an information processing system such as. Complete list of output devices of computer with explanation the output devices of computer system are electromagnetic devices or gadgets that accepts or acknowledge data or informations from computer system and translate and converts the data in human readable or intelligent form. Students complete a range of activities on computer storage and the different types. Input output devices list with their functions pcguide4u. Input and output devices make up the hardware interface between a computer and a scanner or 6dof controller.
They are divided into two categories 1 manual input devices devices that need human involvement to input data 2 automatic input devices devices that do not need human involvement to input data. Input device is a hardware part of the computer that is used to enter data and instructions into computer memory. Inputoutput devices are required for users to communicate with the computer. An input device is any hardware device that sends data to a computer, allowing you to interact with and control it. Since the whole device is not moved, a track ball requires less space than a mouse. An input devices converts the data and instructions into binary form that computer can understand. Raw facts and figures that has no meaning processed via a set of instructions. Mass storage device slower, cheaper, longterm memory. Input devices input devices are those devices from which we can input data and instructions into the computers. Input devices input is any data or instructions entered into the memory of a computer. Output devices types of monitor lightemitting diode led less space lighter very expensive provide higher contrast and. Oct 18, 2017 computer education provides tutorial on what is an example of an input device and types of input devices which also covers input devices list 10 examples of input devices list of input devices and.
The keyboard looks very similar to the keyboards of electric typewriters, with some additional keys. It can quickly store and retrieve large amounts of data. So dear reader i have provided top expected gk questions from input and output device of computer. Input is usually given by clicking the mouse or typing on the keyboard. Keyboards allow a computer user to input letters, numbers, and other symbols into a computer uses an arrangement of buttons or keys. There are many different types of input devices for computer which are considered to be quite important. Generally input devices are manual or direct data entry devices. While the term computer can apply to almost any device that has a microprocessor in it, most people think of a computer as a device that receives input from the user through a mouse or keyboard, processes it in some fashion and displays the result on a screen. These types of computer systems are discussed in detail in section 3. Usually a keyboard and mouse, the input device is the conduit through which data and instructions enter a computer. Keyboard, mouse, track ball, track pad, joy stick, touch screen, light pen, scanner, digital. What are the output devices of computer system and types. Microphone is an input device to input sound that is then stored in digital form. Definition a computer is a machine that can be programmed to manipulate symbols.
Input and output devices introduction the unit 4 presents the information of input and output devices. Nov, 2018 an input device is any hardware device that sends data to a computer, allowing you to interact with and control it. Input devices are used to enter data and instructions into computer memory from external world. Also, distributed computer systems can be developed, where several complete computer. The screen can be touched either with the help of fingers or a stylus. Input and output devices of computer computer notes. The picture shows a logitech trackball mouse, which is an example of an input device. Csca0101 computing basics 25 output devices impact printer daisywheel similar to a ballhead typewriter, this type of printer has a plastic or metal wheel on which the shape of. Following are few of the important input devices which are used in a computer. Examples of input devices include keyboards, mouse, scanners, digital cameras, joysticks, and microphones input devices can be categorized based on.
A programmable electronic device that processes data via instructions to output information for future use. It forms images from tiny dots, called pixels that are arranged in a rectangular form. An activity booklet introducing students to computer storage and the different types of digital devices input and output. A number of inputoutput devices are used with many types of microcomputers. Jan 05, 2017 the devices which are used to give data and instructions to the computer are called input devices. Light pen track ball graphic tablet magnetic ink card readermicr. Pdf input output storages devices in computers researchgate. 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. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from. This storage system has a number of substantial advantages over other types of storage devices. Apart from alphabet and numeral keys, it has other function keys for performing different functions.
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