Input and output devices introduction the unit 4 presents the information of input and output devices. Inputoutput devices are required for users to communicate with the computer. Usually a keyboard and mouse, the input device is the conduit through which data and instructions enter a computer. List of input devices, output devices and both input. For pclm there are some additional rules regarding headers, extra content and the order in which the content is written in the pdf file. Addressed in more detail are fire alarm control units, detection and alarm system components, types of signals, alarminitiating devices, and notification appliances. 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.
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. Input and output devices can also be written as io devices. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. This transformation is performed by input interface. Following are few of the important input devices which are used in computer systems. An input devices converts the data and instructions into binary form that computer can understand. When exploring the functions of input devices, looking at the keyboard is important as it is the device people use most to input data. The inputoutput system 2 module 2 21 types of inputoutput devices a micrologix plc uses its input and output interfaces to connect with field inputoutput devices. Examples of input devices include keyboards, mouse, scanners, digital cameras, joysticks, and microphones input devices can be categorized based on. A hammer presses the wheel against a ribbon, which in turn makes an ink stain in the shape of the character on the paper.
The problem of data loss could be solved by using file. Scanner these devices allow a user to input a photograph or document. Omr is a special type of optical scanner used to recognize the type of mark made by pen or. The characters in a password field are masked shown as asterisks or circles. Input devices input devices are those devices from which we can input data and instructions into the computers.
Students complete a range of activities on computer storage and the different types. Microphone is an input device to input sound that is then stored in digital form. The commonly used output devices are monitor and printer. Pdf assinment find, read and cite all the research you need on researchgate.
Input and output devices are computer hardware components. Here youll find the complete examples of input and output devices. 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. Ther are various types of input and output devices. Joysticks are often used to control video games, and usually have one or more pushbuttons whose state can also be read by the computer. Similar to a ballhead typewriter, this type of printer has a plastic or metal wheel on which the shape of each character stands out in relief. Files on osx often have no file extensions or users could maliciously mislabel the file types. 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. Pdf input output storages devices in computers researchgate. The microphone is used for various applications like adding sound to a multimedia presentation or for mixing music.
When i draw using a mouse, it is an input to the computer. These inputoutput devices are also known as peripherals since they surround the cpu and memory of a computer system. The output devices convert them into a form such as printed form or display on a screen, which can be used by the users. It also focuses on the different types of input and output devices used with computers. However, there are dozens of other devices that can also be used to input data into the computer. Common input devices include mouse, keyboard, scanner. 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. Explain different types of storage devices perfect. Input and output devices are the basic components of a computer system. Input devices types of keyboard laptop keyboard the laptop computer keyboard is a small version of the typical qwerty keyboard. Iicharacteristics of different types of sensors a active vs. Input devices pointing devices keyboard optical input devices audio input device video inpu device 7. This chapter describes the different input types for the element.
Input and output devices bangladesh open university. Input devices it is an electromechanical device that can be used to enter data and instructions to the 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 manual input devices are. 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. Headsets headset consists of speakers and microphone.
A display screen, printer, or other device that lets you see what the computer has. Devices input and output unit 4 input output devices. Common mass storage devices include disk drives and tape drives. Conventional voice mail and the availability of mp3 music files on the web are simple examples of this. Input is usually given by clicking the mouse or typing on the keyboard. How to make input type file should accept only pdf and xls.
A mouse is a type of input hardware device that is commonly used in desktop computers. An input device is a component used to feed information to a computer, whereas an output device gives processed information back to the user. It gives input to the computer through clicks, dragging and. Various other characteristics can distinguish input devices, but are perhaps less important in. The above pdf is based on input and output devices and contains the following.
An input device is any hardware device that sends data to a. A flatbed scanner works like a copy machine except that it creates a file of the document rather than a paper copy. Io devices are used to interact with the computer system. In computing, an input device is a piece of computer hardware equipment used to provide data.
Also, if you wanted to add new information to the computer e. Input devices types of keyboard standard desktop computer keyboards, such as the 101key. A typical laptop has the same keyboard type as a normal keyboard, except for the fact that most laptop keyboards condense the symbols into fewer buttons to accommodate less space. Input devices let you to transfer data and user command into the computer system. Many of these are less complex versions of io devices that have been available for larger computer systems.
Manual input peripherals, or devices gcserevision, ict. Class iv computer chapter 1 input and output devices by ms. 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. Facsimile fax it has scanner to scan the document and also. Inputoutput buffer information specification wikipedia. Scanner is an input device, which works more like a photocopy machine. A track ball comes in various shapes like a ball, a button, or a square. Developers are concerned about the performance features of not only the processor, but also all input, storage, and output devices. Keyboard, mouse, joystick,scanners,digital camera, bar code reader, touch sreeen,speech input device microphone iii. Coldfusions cffile can check the mimetype using the contenttype property of the result cffile. Output devices impact printer it strikes paper and ribbon together to form a character, like a typewriter. Speaker act output device and microphone act as input. What are different types of input devices with examples.
Manual input devices are used by people to enter data by hand such as keyboard, pointing devices, joystick, touch screen, digital camera, scanner, concept keyboard, graphics tablet, microphone and light pen. An input device is any hardware device that sends data to a computer, allowing you to interact with and control it. Input and output devices input devices allow us to send information to the computer. The computer sends information to the output devices in the binary coded form. Most common and very popular input device is keyboard.
The type attribute specifies the type of element to display. Advantages disadvantages less expensive can make multiple copies with multipart paper noisy print quality lower in some types poor graphics or none at all slow. Is comparison to the acceptattribute, this method does not narrow down folder contents to selected filetypes when selecting a file on the local machine. An activity booklet introducing students to computer storage and the different types of digital devices input and output. Monitor led, lcd, crt etc printers all types lcd projection panels. Examples of types of a video input devices include. Magnetic ink card readermicr micr input device is generally used in banks because of a large number of cheques to be processed every day. The computer will be of no use unless it is able to communicate with the outside world. Most computer hardware is divided into several types of device. A scanner is a lightsensing input device that converts printed text and graphics into a digital form that can be further processed by the computer. After completing this chapter you should understand. When the computer gives the printout, it is the output. Download as docx, pdf, txt or read online from scribd. Manual input devices uses advantages disadvantages device scanner used to convert printed images or text into a file of digital data images can be edited before use the quality of the final image is dependent on the original image joystick originally designed for pilots to control aeroplanes used to control wheelchairs and for playing games they give a more realistic gaming.
If you have a twobutton or threebutton mouse connected to your computer, you can rightclick to access the same controls specified by the controlclick commands in this documentation. The stick is connected to the base, so the stick can move freely up to the 180 degree that is used to move an object on the screen by moving it. Input and output devices of a computer system are the devices that connect you to computer. Storage devices are also called secondary storage devices backing storage devices external storage devices or auxiliary storage devices. Without any input devices, a computer would only be a display device. Computer dictionary definition for what input device means including. Input output devices are required for users to communicate with the computer. Explain different types of storage devices in computer systems storage devices storage devices are used to store data and instructions permanently. In simple terms, input devices bring information into the computer and output devices bring information out of a computer system. 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. An input device is any tool device for entering information into a computer. A number of inputoutput devices are used with many types of microcomputers.
The functions of input devices include the multiple ways a person can input data into a computer. Yashi kakkar instructions please click on the link below to download the pdf file s. There are multiple items that are considered to be input devices, such as a keyboard, mouse and microphone. Inputoutput buffer information specification ibis is a specification of a method for integrated circuit vendors to provide information about the inputoutput buffers of their product to their prospective customers without revealing the intellectual property of their implementation and without requiring proprietary encryption keys. This storage system has a number of substantial advantages over other types of storage devices.
650 828 49 560 811 1546 869 1516 192 976 1393 840 1233 860 1388 336 1082 1330 939 1541 732 1010 1135 1098 739 167 1386 606 635 651 1079 875 1519 1429 623 329 1011 571 122 242 895 414 1230 665 231 1204 1060