Most modern monitors can display 1024 by 768 pixels, the svga standard. Difference between input devices and output devices. This transformation is performed by input interface. Magnetic ink card readermicr micr input device is generally used in banks because of a large number of cheques to be processed every day. Computer devices computer input and output devices 992019 designed by. Pdf computer input and output devices ingamule siraji. Io devices are used to interact with the computer system. Here youll find the complete examples of input and output devices. The above pdf is based on input and output devices and contains the following. Solecistic assignment on input and output devices of computer pdf has palatially pirooted. Monitor and the printer are the commonly used output devices. Input and output devices 77 c 6 discrepancies figure 4. An input device is any hardware component that allows a user to enter data and instructions into a computer.
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. Occultly stridulent outlays had ratlike effluxed inflexibly against the authentication. It gives input to the computer through clicks, dragging and. The following is a list of the most common input devices which are nowadays found in a computer system. Inputoutput devices and interaction department of computer. An input device converts incoming data and instructions into a pattern of electrical signals in binary code that are comprehensible to a digital computer. Assignment on input and output devices of computer pdf. An input devices converts the data and instructions into binary form that computer can understand. Input devices output devices keyboard mouse joystick scanner light pen touch screen monitor lcd printer plotter. To enter information and issue commands, you use input devices.
Inputoutput devices are required for users to communicate with the computer. In general, the more pixels often expressed in dots per inch, the sharper the image. Input and output devices can also be written as io devices. Output devices monitor features display resolution the resolution of a monitor indicates how densely packed the pixels are. The mouse and keyboard are the two most commonly used input devices. It forms images from tiny dots, called pixels that are. Examples of output devices are printer,monitor, speakers.
Output generated by output device classified into two types. Without any input devices, a computer would only be a display. Input devices input devices feed data or commands in a form that the computer can use. Monitor led, lcd, crt etc printers all types lcd projection panels. Headsets headset consists of speakers and microphone.
Keyboard and mouse are the most commonly used input devices. Virtually all external devices have buffers, control signals, status signals, and data bits. Input and output devices bangladesh open university. Peripheral devices are external devices that connect to the computer through ports, such as usb, ethernet, and parallel ports. Input devices input is any data or instructions entered into the memory of a computer. Other common input output devices computing technology. Computer science input and output devices starter task pupils need to fill in the gaps by naming input and output devices that fit. Input is any data or instructions entered into the memory of a computer. Trackball a trackball is a pointing device consisting of a ball held by a socket containing sensors to detect a.
Advantages and disadvantages of a range of output devices monitors. An input device is a piece of hardware that is used to enter data into a computer. Microphone is an input device to input sound that is then stored in digital form. The keyboard is used to enter text commands that control the computer.
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. Input devices are used to give data and instructions to the computer. Input and output devices are the basic components of a computer system. To interact with your computer, you need input devices. One of the primary input devices used with a computer. Keyboard keyboard is the most common input device used for entering text data directly into a computer. Inputs are the signals or data received by the system and outputs are the signals or data sent from it. 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. Input and output devices introduction the unit 4 presents the information of input and output devices. Learn about these devices and how theyre becoming integrated into single computer systems.
The mouse is used to navigate the graphical user interface gui. Fastest device to orient on a target on screen according to research. It has the same important as the brain to human being. Here are some examples of both input devices and output devices. An output device reverses the process, translating the digitized signals into a. The distinction between output devices and input devices becomes even more blurred in the real world. Output devices are used to display the result or information on the computer. An input device is any tool device for entering information into a computer. Input and output devices image scanner internet scribd.
In this blog we will discuss about the other inputoutput devices which we attach to our systems to expand its. When the computer gives the printout, it is the output. 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. 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.
When i draw using a mouse, it is an input to the computer. In simple terms, input devices bring information into the computer and output devices bring information out of a computer system. Facsimile fax it has scanner to scan the document and also. An input device is any peripheral used to provide data and control signals to a 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. A sheet of paper can be used to both record ideas input and display them output. An inputoutput io device is a hardware device that has the ability to accept inputted, outputted or other processed data. Complete the worksheets after reading the powerpoint above. Pointing devices a pointing devices is an input devices that allows a user to control a pointer on the screen. Following are few of the important output devices which are used in a computer.
Gamepads allow the player to control movement and views with small sticks moved by the players thumbs. 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 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. Computer science input and output devices starter task. Input devices input devices any peripheral piece of computer hardware equipment used to provide data and control signals to a computer. A keyboard, video, mouse kvm switch is a hardware device that can be used to control more than one computer while using a single. 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. Any data or instruction entered into the computer is known as input. The microphone is used for various applications like adding sound to a multimedia presentation or for mixing music. Try these tasks and activities to enhance your section 2. Output devices display the data that the computer has or the information that the computer has processed.
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. For desktop computers, cathode ray monitors crt are gradually being replaced by flatscreen monitors such as the liquid crystal displays lcd and thin film. It also can acquire respective media data as input sent to a computer or send computer data to storage media as storage output. Character reads compare the digitized matrix of an unknown character against a stored set of templates. Devices input and output unit 4 input output devices. Assignment of input and output devices linkedin slideshare. Using a computer may seem an easy task because of the. Input devices allow a user to put data into the computer. Without any input devices, a computer would only be a display device and not allow users to interact with it. Pdf assinment find, read and cite all the research you need on researchgate. These inputoutput devices are also known as peripherals since they surround the cpu and memory of a computer system. Neagu iulia veronica unit 2 input and output devices unit 2 input and output. Projectors are often used in meetings and presentations so that everyone in the room can view the presentation. Many of these are less complex versions of io devices that have been available for larger computer systems.
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. A mouse is a type of input hardware device that is commonly used in desktop computers. Because of the high cost of ocr devices, they are uneconomic unless a substantial number of documents are to be processed each day. Light pens are rarely used today since graphics tablets and highquality touch screens provide similar functionality. 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. An input device helps you to communicate with the computer.
These devices render input to a bitmap or in the case of pclm multiple bitmaps then wraps the bitmaps up as the content of a pdf file. The most common are a keyboard and a mouse, but there are other devices for more specialized tasks. Input and output devices of a computer system are the devices that connect you to computer. Ther are various types of input and output devices. Speaker act output device and microphone act as 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. Output devices are pieces of hardware that are used to display or output data. A number of inputoutput devices are used with many types of microcomputers. As we saw in the previous blog about the display output devices and their ports.
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. Computer input and output devices fun learning computer. List of input devices, output devices and both input. It is connected with computer system through a cord which makes it awkward to be used. The distinction between output devices and input devices. Input devices the following diagram illustrates some the various devices that are available for entering and selecting data in a computer.
A light pen is a device used as a pointing device or to write on the screen of a computer. They are directly connected to an electronic module inside the systems unit called a device controller. Input and output devices input devices allow us to send information to the computer. Pdf input output storages devices in computers researchgate. Input devices let you to transfer data and user command into the computer system. Multiple buttons are pressed to achieve specific results within a game, such as jumping or shooting. Unit 2 input and output devices pdf free download pdf. Ingamule siraji 1 a computer is an electronic device that works. Monitors graphic plotter printer monitors monitors, commonly called as visual display unit vdu, are the main output device of a computer. Input devices as well as output devices are a neccessity in order to ensure that data. Input devices a keyboard it is a text base input device that allows the user to input alphabets, numbers and other characters. Conscious output is muscularly mediated communications.
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. Input is usually given by clicking the mouse or typing on the keyboard. The keyboard is the most common and widely used input device. Input devices for playing games include gamepads and joysticks, as shown in figure 2.
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