Input And Output Devices

15 Input Devices

10 Output Devices

Devices Work As Both Input And Output 

• Modem
• Network card
• Touch Screen
• Headsets
• Facsimile (FAX)

Modem - As we know that analog signals transfer in phone line but computer understands only digital signals, so to convert the analog signals into the digital signal and vice-versa modem is used. Modem is considered as both input and output device.

Network Card - A Network card (also known as a NIC or network interface card) is an electronic device that connects a computer to a computer network. With the help of NIC data we receive and send data so NIC works as both input and output device.

Touch Screen – A touchscreen is a both input and output device and normally layered on the top of an electronic visual displays such as cell phone, laptop. A user can give input or control the information through simple or multi-touch gestures by touching the screen.

Headset - Headset consists of Speakers and Microphone. Speaker act Output Device and Microphone act as Input device.

Facsimile (FAX) – FAX machine has scanner to scan the document and also have printer to print the document.So Fax machine works as both input and output device.