WJEC ICT Voc 1.1 Input and Output

Why are input devices needed?

• To show the results of processing.
• To convert analogue data into a digital form the computer can understand.

Things that send information out of a computer are called...

• input devices

• output devices

• things that you plug in

Which input device is commonly used for gaming?

• Keyboard
• Mouse
• Joystick
• Barcode Scanner

How does a dot matrix printer work?

• Sprays ink onto the page.
• Ink is in the form of a toner that is sealed onto the page by heated rollers.
• A print head strikes the paper through an ink ribbon.

Why are output devices needed?

• To show the results of processing.
• To convert analogue data into a digital form the computer can understand.

Are headphones an input or output device?

• Input

• Output

Is this piece of technology an input or output device?

• Input

• Output

• Both

Which output device is used to produce a display?

• Printer
• Speakers
• Web cam
• Monitor

Which input device would you use to capture sound?

• Web cam
• Microphone
• Speakers
• Monitor

Which output device produces a hard copy?

• Speakers
• Printer
• Keyboard
• Monitor