Printers are of different types. You can control it by its certain features. On the basis of their printing techniques, printers are grouped as follows: 1. The print quality of this printer is better than that of Dot Matrix Printer and it prints without making any noise. Output Devices:Few examples of output devices are Printers, Projector, Plotters, Monitor, Speakers, Head Phone, etc. The drum then rolls through toner tiny plastic particles of pigment that are attracted to the charged areas of the drum. The bank's code number and cheque number are printed on the cheques with a special type of ink that contains particles of magnetic material that are machine readable.
A graphic tablet as digitizer is used for fine works of drawing and image manipulation applications. It uses a light beam to detect the movement. Output Device can produce the final product of machine processing into a form usable by humans. Our educational games are easy to use and classroom friendly, with a focus on the parts of speech, grammar, Spanish, fractions, multiplication and division, typing, geography, science, strategy, puzzles and much more! The optical Mouse tracks the Mouse position using the optical sensor. There is one wheel at the front middle of it.
Gamepad A computer can serve many purposes. To do all these, different types of input and output devices can be connected with the computer. Joystick Joystick is also a pointing device, which is used to move the cursor position on a monitor screen. A game-pad is a type of game controller held in two hands, where the fingers especially thumbs are used to provide input by pressing buttons on it. Apart from alphabet and numeral keys, it has other function keys for performing different functions.
Note: Every image is big size so click to view Image. Joystick and Game-pad Joystick and game-pad are also input devices which are also input devices which are used to control the movement of object on the screen. It consists of a photocell and an optical system placed in a small tube. 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. A capacitive Screen — It depends on electrical properties of user body to detect when and where on a display the user touches.
Projector Projector Screen Plotters: A Plotter is a big size printer that allow users to get big size print that cannot be done by basic printers. Many models include other devices such as a scanner, photocopier, and dedicated fax machine along with the printer in a single box. Each key has unique use like Delete — it can be used to delete the content which are typed in word or any text documents. This second Study Guide describes the basics of Java, providing an overview of operators, modifiers and control Structures. For example, digitizing graphics tablets that do not have an embedded screen involve indirect input and sense absolute positions and are often run in an absolute input mode, but they may also be set up to simulate a relative input mode like that of a touchpad, where the stylus or puck can be lifted and repositioned.
The term primary memory is used for storage systems which function at high-speed i. Input Devices An input device feeds data to the computer system for processing. What has happened, happened fair, What is happening, happening fair! An output device is any device used to send data from a computer to another device or user. Examples of a Line printer are Drum printer and the Chain printer. Headphones are a pair of small loudspeakers. Print quality of Laser-Jet printer is excellent as compared to Ink-Jet or other types of printers, but they are relatively more expensive than the others.
A screen with a smaller dot pitch produces sharper images. It can be used in place of an external mouse. One can get all the shortcut key explained in a detailed manner in Input and Output Devices Question and Answers Basic Computer Knowledge pdf free download. Some models of Inkjet printers can produce multiple copies of printing also. Not all of the screen area may be usable for image display, so the viewable area is also specified.
What kind of devices they are? The resolution of the monitor is the maximum number of pixels it can display horizontally and vertically such as 800 x 600, or 1024 x 768, or 1600 x 1200. Control keys also include Home, End, Insert, Delete, Page Up, Page Down, Control Ctrl , Alternate Alt , Escape Esc. They can be used by the computer to create a picture of whatever the camera had been pointed at. Read More: Speakers Speaker is an important part of a computer system. Few of them comes under Input devices and some of them comes under output devices.
Input and Output Devices of a Computer is explained below in understandable language. Input and Output Devices of a Computer — a short textual explanation is going on. What did u have with you during your birth that u have lost? A gamepad is used for controlling games, with few buttons that controls the movements of character in a Computer Game. Why Input and Output Devices Question and Answers Basic Computer Knowledge pdf free download? These printers are slow and noisy, and are not commonly used for personal computers anymore but they can print multi-layer forms, which neither ink jet or laser printers can. Volatile memory is computer memory that requires power to maintain the stored information. A micro phone is used to convert human speech into electric signals. The trackball is sort of like an upside-down mouse, with the ball located on top.
Examples: keyboards, mice, scanners, digital cameras and joysticks. Previous papers, different model papers can also seen here. Video cards are also called video display adapters, and graphics cards. Output Devices Output devices displays the processed form of data to the end user. Joysticks Trackball Joysticks and other game controllers can also be connected to a computer as pointing devices. A track ball comes in various shapes like a ball, a button, or a square. Non-volatile memory is computer memory that can retain the stored information even when not powered.