What Are Computer Input Devices?

An input device for a computer is anything that sends information to the CPU to perform a specific function. A computer has the ability to use many different types of input devices to provide a unique experience to each user. Computer input devices include many types of hardware such as a keyboard, mouse, webcam, scanner as well as a microphone.

Keyboard

The keyboard is one of the most common types of input devices that is used with a computer. A keyboard consists of letters, numbers and other types of keys that perform different types of functions when used with a computer system. A keyboard can connect to the computer through a cord as well through a wireless connection.

Importance of Computer Printing Devices

Mouse

Another common input device that is used with a computer is a mouse or pointing device. A mouse displays a cursor on the screen that is used to make selections and navigate the operating system. All modern operating systems use a graphical interface which requires a mouse to open files, folders and to make selections. A mouse also connects using a cord or a wireless connection.

Webcam

A webcam is a device that acts as a video camera and sends a video signal into the computer that can be viewed over the Internet. A webcam can be used for various types of activities such as online chatting as well as video conferencing. A webcam can also be used to record video that can be saved to the hard disk or burned to a DVD.

Common Hardware Devices and Computer Peripherals

Scanner

A scanner is a device that is used to copy an image or document and convert it into a digital file that is used with a computer system. Scanners can be used to create digital images of family photos as well as create digital images of important documents. A scanner is available as a flatbed device or a sheet fed device that can come bundled with many printers and fax machines.

Microphone

A microphone is an input device that can be used in a computer for many different applications. One way to use a microphone is to record audio or video tutorials. Another use for a microphone is for performances such as karaoke or professional audio recording. A microphone is available as a hand-held model as well as a headset.