Output generated by output device classified into two types. Character reads compare the digitized matrix of an unknown character against a stored set of templates. As we saw in the previous blog about the display output devices and their ports. Facsimile fax it has scanner to scan the document and also.
Keyboard and mouse are the most commonly used input devices. Input and output devices of a computer system are the devices that connect you to computer. Multiple buttons are pressed to achieve specific results within a game, such as jumping or shooting. Output devices monitor features display resolution the resolution of a monitor indicates how densely packed the pixels are. It gives input to the computer through clicks, dragging and. Try these tasks and activities to enhance your section 2. The following is a list of the most common input devices which are nowadays found in a computer system. Keyboard keyboard is the most common input device used for entering text data directly into a computer.
An input device is any hardware component that allows a user to enter data and instructions into a computer. List of input devices, output devices and both input. Output devices projector an output device that can take the display of a computer screen and project a large version of it onto a flat surface. Monitor led, lcd, crt etc printers all types lcd projection panels. This transformation is performed by input interface. An input device is any peripheral used to provide data and control signals to a computer. To enter information and issue commands, you use input devices. The distinction between output devices and input devices becomes even more blurred in the real world. A mouse is a type of input hardware device that is commonly used in desktop computers.
Advantages and disadvantages of a range of output devices monitors. Ther are various types of input and output devices. Monitors graphic plotter printer monitors monitors, commonly called as visual display unit vdu, are the main output device of a computer. Learn about these devices and how theyre becoming integrated into single computer systems. It has the same important as the brain to human being. Computer science input and output devices starter task. Input and output devices are the basic components of a computer system. Other common input output devices computing technology. For desktop computers, cathode ray monitors crt are gradually being replaced by flatscreen monitors such as the liquid crystal displays lcd and thin film. Microphone gives sound or voice input to the computer. The distinction between output devices and input devices. Examples of output devices are printer,monitor, speakers.
Inputoutput devices are required for users to communicate with the computer. Pdf input output storages devices in computers researchgate. An input device helps you to communicate with the computer. Peripheral devices are external devices that connect to the computer through ports, such as usb, ethernet, and parallel ports. Output devices are pieces of hardware that are used to display or output data. Pdf assinment find, read and cite all the research you need on researchgate. Microphone is an input device to input sound that is then stored in digital form. It forms images from tiny dots, called pixels that are. For pclm there are some additional rules regarding headers, extra content and the order in which the content is written in the pdf file. Input devices for playing games include gamepads and joysticks, as shown in figure 2.
Input and output devices 77 c 6 discrepancies figure 4. Input devices as well as output devices are a neccessity in order to ensure that data. Input is any data or instructions entered into the memory of a computer. Getting the right input devices for your computer system can make a world of difference in your computers performance and can improve the quality of your time spent at the screen. These inputoutput devices are also known as peripherals since they surround the cpu and memory of a computer system. Because of the high cost of ocr devices, they are uneconomic unless a substantial number of documents are to be processed each day. Solecistic assignment on input and output devices of computer pdf has palatially pirooted. An input device converts incoming data and instructions into a pattern of electrical signals in binary code that are comprehensible to a digital computer. Input devices allow a user to put data into the computer. For example, the speakers of a multimedia computer system are directly connected to a device controller called an audio card such as a soundblaster, which in turn is connected to the rest. Inputoutput devices and interaction department of computer. Output devices are used to display the result or information on the computer. Without any input devices, a computer would only be a display device and not allow users to interact with it.
When hardware is installed inside or outside a computer, the operating system needs a special piece of software called a driver to help it understand how to communicate with that device. The keyboard is the most common and widely used input device. Here youll find the complete examples of input and output devices. The keyboard is used to enter text commands that control the computer. Monitor and the printer are the commonly used output devices. Input and output devices input devices allow us to send information to the computer. Input devices input devices feed data or commands in a form that the computer can use. Input and output devices image scanner internet scribd.
Here are some examples of both input devices and output devices. A light pen is a device used as a pointing device or to write on the screen of a computer. The mouse is used to navigate the graphical user interface gui. In general, the more pixels often expressed in dots per inch, the sharper the image. An output device reverses the process, translating the digitized signals into a. The inputoutput device occrj45 provides connection of any greengate low voltage occupancy sensor, or other low voltage maintain closure, to the room controller or dlvp power module to define the occupancy state of the space.
Following are few of the important output devices which are used in a computer. Conscious output is muscularly mediated communications. In a graphical user interface, a pointer is a small symbol on the screen, whose location and shape change as a user moves a pointing device. Virtually all external devices have buffers, control signals, status signals, and data bits. Devices input and output unit 4 input output devices. It is connected with computer system through a cord which makes it awkward to be used. External devices are not connected directly to the system bus because they have a wide range of control logics, as well as data transfer speeds and formats. The above pdf is based on input and output devices and contains the following. When the computer gives the printout, it is the output. It also can acquire respective media data as input sent to a computer or send computer data to storage media as storage output.
To interact with your computer, you need input devices. The data entered through input device can be some text, some graphical image or symbol, sound etc, depending on the form of the raw data the various input devices are available. When i draw using a mouse, it is an input to the computer. Occultly stridulent outlays had ratlike effluxed inflexibly against the authentication. Many of these are less complex versions of io devices that have been available for larger computer systems. Speaker act output device and microphone act as input. Input devices let you to transfer data and user command into the computer system. Trackball a trackball is a pointing device consisting of a ball held by a socket containing sensors to detect a. In simple terms, input devices bring information into the computer and output devices bring information out of a computer system. Input and output devices bangladesh open university. Computer science input and output devices starter task pupils need to fill in the gaps by naming input and output devices that fit.
Light pens are rarely used today since graphics tablets and highquality touch screens provide similar functionality. In computing, inputoutput or io or, informally, io or io is the communication between an information processing system, such as a computer, and the outside world, possibly a human or another information processing system. Gamepads allow the player to control movement and views with small sticks moved by the players thumbs. An input device is any tool device for entering information into a computer. Optical character recognition ocr devices can convert data from source documents to a machinerecognizable form.
Computer devices computer input and output devices 992019 designed by. Unit 2 input and output devices pdf free download pdf. Most modern monitors can display 1024 by 768 pixels, the svga standard. Page 1 cover i spy game page 2 instructions i spy game page 34 clue sheet i spy game other activities page 5 unscramble page 6 word search page 7 page 8 cross word puzzle page 9 circle input or outp.
The mouse and keyboard are the two most commonly used input devices. Input devices a keyboard it is a text base input device that allows the user to input alphabets, numbers and other characters. Input devices as well as output devices are a neccessity in order to ensure that data is entered into a computer to be processed and the results output. An input devices converts the data and instructions into binary form that computer can understand. They are directly connected to an electronic module inside the systems unit called a device controller.
Headsets headset consists of speakers and microphone. Output devices display the data that the computer has or the information that the computer has processed. Prior to 1984, when apple released its first macintosh computer, the primary input device for personal computers was a standard keyboard that was based on a. Assignment of input and output devices linkedin slideshare. Computer input and output devices fun learning computer. Input devices input is any data or instructions entered into the memory of a computer.
One of the primary input devices used with a computer. 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. Projectors are often used in meetings and presentations so that everyone in the room can view the presentation. The microphone is used for various applications like adding sound to a multimedia presentation or for mixing music.
Input is usually given by clicking the mouse or typing on the keyboard. An inputoutput io device is a hardware device that has the ability to accept inputted, outputted or other processed data. Neagu iulia veronica unit 2 input and output devices unit 2 input and output. A keyboard, video, mouse kvm switch is a hardware device that can be used to control more than one computer while using a single. A number of inputoutput devices are used with many types of microcomputers. Ingamule siraji 1 a computer is an electronic device that works. Any data or instruction entered into the computer is known as input. Pointing devices a pointing devices is an input devices that allows a user to control a pointer on the screen. Input devices are used to give data and instructions to the computer. 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 input devices any peripheral piece of computer hardware equipment used to provide data and control signals to a computer. Inputs are the signals or data received by the system and outputs are the signals or data sent from it. In this blog we will discuss about the other inputoutput devices which we attach to our systems to expand its. A sheet of paper can be used to both record ideas input and display them output. Fastest device to orient on a target on screen according to research. The computer monitor also known as a vdu or visual display unit is the most common computer output device. Complete the worksheets after reading the powerpoint above. Input devices the following diagram illustrates some the various devices that are available for entering and selecting data in a computer. Without any input devices, a computer would only be a display. Input and output devices 3 lecture outline output devices visual displays audio output tactile and haptic output input devices discrete event devices continuous event devices combination devices speech input the first part of the lecture will describe a number of output devices that stimulate the. Assignment on input and output devices of computer pdf. Input devices output devices keyboard mouse joystick scanner light pen touch screen monitor lcd printer plotter.