Expansion card
Alternatively referred to as an add-on card, expansion board, internal card, interface adapter, or card, an expansion card is a PCB that fits into an expansion slot on a desktop computer. An expansion card is used to give a computer additional…
Network interface card (NIC)
A network interface card (NIC) is a hardware component, typically a circuit board or chip, which is installed on a computer so that it can connect to a network. Modern NICs provide functionality…
Speaker
A speaker may refer to any of the following: 1. A speaker is a term used to describe the user who is giving vocal commands to a software program. 2. A computer speaker is a hardware device that connects to a computer…
Scanner
A scanner may refer to any of the following: 1. When referring to hardware, a scanner or optical scanner is a hardware input device that optically "reads" and image and converts it into a digital signal. For example, a scanner…
Projector
A projector is an output device that can take images generated by a computer or Blu-ray player and reproduce them by projection onto a screen, wall, or another surface. In most cases, the surface…
Printer
A printer is an external hardware output device that takes the electronic data stored on a computer or other device and generates a hard copy of it. For example, if you created a report on your computer, you…
Computer mouse
A computer mouse is a handheld hardware input device that controls a cursor in a GUI (graphical user interface) and can move and select text, icons, files, and folders on your computer. For desktop computers, the mouse is placed on a flat surface…
Microphone
Sometimes abbreviated as mic, a microphone is a hardwareperipheral and input device originally invented by Emile Berliner in 1877. A microphone allows computer users to input audio into their computers. The picture is an example of Blue Microphone's Yeti USB microphone - silver…
Gamepad
A gamepad, game controller, joypad, or video game controller is a peripheral device designed to be connected to a computer or console gaming system. It has multiple buttons and may have one or two mini…


