Output Devices in Computers
Output devices, also known as Output Devices, refer to peripheral equipment that serves as a communication medium between a computer and its users, as well as between the computer and other devices. These devices facilitate the transfer of data from the computer to other equipment, typically in the form of video, audio, or graphics. Notable examples of output devices include:
- Monitor: The monitor is an integral part of a computer, responsible for displaying information generated by the computer as video or images. While resembling a television, monitors offer superior clarity and detail. They are categorized into three main types: CRT, LCD, and OLED.
- Printer: A printer is a device that converts electronic information stored on a computer into physical information on paper. Printers are among the most commonly used output devices, capable of printing both text and images. The two popular types of printers are Inkjet Printers and Laser Printers.
- Speakers: Speakers are devices connected to a computer to produce sound output. They are utilized to amplify audio and enhance sound effects.
Input Devices in Computers
Input devices, referred to as Input Devices, are peripheral devices that act as a communication link between the computer and its user. These devices transmit data and commands as electronic signals from the user to the computer for processing. Once the input is received, the data can be outputted through output devices, stored, or sent to other devices. Common examples of input devices include:
- Keyboard: The keyboard is used to input textual and numerical information into the computer. It also directs the computer to perform specific tasks through command inputs, often utilizing shortcuts available on the keyboard.
- Mouse: The mouse serves as a peripheral device that allows users to issue commands to the computer by moving the mouse pointer to interact with windows, files, and software applications. Typically, a mouse features left and right buttons and is primarily used with devices that support GUI (Graphical User Interface).
- Scanner: A scanner is a device that converts printed information into digital data by capturing images of documents. This information can then be stored in the computer and edited using specialized software. Scanning is often a cost-effective and reliable method for transferring images with high quality.
Combined Input/Output Devices
Input/Output devices (I/O Devices) perform the dual functions of entering data into the computer for processing and subsequently outputting the information. Due to this capability, these devices are categorized as storage or communication devices. Examples of such devices include:
- Digital Camera.
- Floppy Disk Drive.
- Hard Drives.
- Modem.
- Touch Screen.