Mastering Input and Output Devices

Input Devices

• An input device is a hardware component that allows users to enter data, instructions, or information into a computer system.
• Examples of input devices include: keyboard, mouse, scanner, microphone, and webcam.

Output Devices

• An output device is a hardware component that receives data from a computer system and displays or presents it to the user.
• Examples of output devices include: monitor, printer, speaker, and plotter.

Functions of Input and Output Devices

• The main function of an input device is to collect data and transmit it to the computer for processing.
• The main function of an output device is to receive data from the computer and display it in a human-readable format.

Device Types and Functions

• Keyboard: input device, used to enter text and commands into a computer.
• Mouse: input device, used to select and manipulate objects on a screen.
• Scanner: input device, used to capture images or documents and convert them into digital data.
• Microphone: input device, used to capture audio input and convert it into digital data.
• Webcam: input device, used to capture video and images and transmit them over a network.
• Monitor: output device, used to display text and images on a screen.
• Printer: output device, used to print text and images on paper.
• Speaker: output device, used to produce audio output from a computer.
• Plotter: output device, used to print large-format graphics and designs.