![]() Microphones are often built into laptops, webcams and mobile phones nowadays. The microphone feeds a sound signal to the computer, where it can be recorded, or streamed across the internet. In the past, keyboards used to connect to the computer via a DIN connector, but nowadays they are more likely to connect via a USB port or be wireless. The keyboard works through push buttons or mechanical switches known as keys which, when pressed, send a signal to the computer. Using a keyboard to enter a lot of information is called typing. ![]() The user enters letters, numbers, and other symbols to give the computer information and instruction. Keyboards are the most common input device. Nowadays, mice often connect to the computer using wireless technology. This device was named a "mouse" because the inventors thought that the wire that connects the device to the computer resembled a mouse tail. Modern mice usually have two buttons with a scroll wheel between them. MouseĪ mouse is an input device that allows you to use point-and-click technology to interact with a computer. I go into more detail regarding each example below. Input/output devices, such as storage devices. ![]() ![]()
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