OCR - ICT - Input & Output Devices

    - important information

    - definitions

    - headings

    - important key words

    - bold means definitions you need to know

I hope these revision cards come in handy :)

There are three types of peripherals: storage devices, input devices (which allows users to give instructions and input data into the device) and output devices (which allows the user to see or hear information after it has been processed).

Input devices

An input device allows users to put data into a device.

• Mouse - pointing, moving around, selecting and inputting information
• Keyboard - used to enter texts and numbers
• Game controller - used for gaming
• Webcam - inputs visual data (an image), this can either be a periperhal or in-built
• Graphics tablet - used to input drawings
• Touch screen - inputs information by either using your finger or a stylus.
• Microphone - audio data is put into the device, either a peripheral or in-built
• Scanner - digitalises hard copies of data and turns it into readable/editable text onto the computer.

Output devices

An output device allows the user to see and/or hear information after it has been processed

• Speakers/Headphones - a peripheral or in-built device, allows you to hear audio (speakers) and allows one person to hear audio (headphones)
• Printer - allows you to produce a hard copy of digitalised documents
• Screen - display screens (e.g. laptop, smartphone) or monitor