Computers can come in many varieties, from the tiny computer to the super computer. But no matter how big it is, every computer is a combination of several components working together to perform a specific task. A complete computer system consists of hardware such as input and output devices and storage devices which are attached […]
Computers can come in many varieties, from the tiny computer to the super computer. But no matter how big it is, every computer is a combination of several components working together to perform a specific task. A complete computer system consists of hardware such as input and output devices and storage devices which are attached to the central processing unit in order for the user to perform tasks, software are a set of instructions which tells the computer what to do, data which needs to be processed and the users who operate the computer. Here is a basic idea of input and output devices.
Input is any data that we send to a computer for processing. Input devices are the devices used to input data to the computer system for processing. Output is the result of the data. Output devices are devices used to see the result of the data. Devices such as Fax machines which are used for both input and output consists of a scanner, printer and a cartridge such as brother fax cartridges.
This machine allows you to scan the document and print the scanned document using the cartridge such as brother fax cartridges. Also devices such as modems, network and audio card, touch screens and headsets are used for both input and output, also check this xerox toner cartridges online.
The Most commonly used input device is the keyboard which is the primary input device of the computer and is used to enter text and numbers into the computer. Pointing devices such as mouse, trackballs, touchpad’s are used to move the cursor on the screen and allow you to click on icons and launch programs, other control devices such as joystick and game pad allow you to control many kinds of games. Optical devices such barcode readers which are used read barcodes and scanners which converts printed documents in to an electronic form. Audiovisual devices such as digital camera which allows you to capture images electronically and stores it on a special memory card which can be copied to the computer and edited or printed, microphones which allows you to record speech.
The most commonly used output device is the monitor which is the display screen of the computer. Printers take print commands from a computer and prints text or images on different types of papers. Multimedia projector plugs in to one of the computer ports and projects the output onto an external surface. Speakers allow you to watch videos, listen to music and get sound notifications on your computer.