30000-1214 unit 3 (1/67)

• to play computer games

• to copy images from paper into a computer

• to read price labels in a shop

• to select text and click on links on web pages

• to play computer games

• to copy images from paper into a computer

• to read price labels in a shop

• to select text and click on links on web pages

• to play computer games

• to copy images from paper into a computer

• to read price labels in a shop

• to select text and click on links on web pages

• to enter drawings and sketches into a computer

• to input voice commands and dictate text

• to draw pictures or select menu options directly on the screen

• to take and store pictures and then download them to a computer

• to enter drawings and sketches into a computer

• to input voice commands and dictate text

• to draw pictures or select menu options directly on the screen

• to take and store pictures and then download them to a computer

A..............is a stationary device that works like a mouse turned upside down.

You roll the ball with your hand to move the pointer on the screen.

• trackball

• webcame

• touch screens

• touchpad

A .............. is used to send live video images via the Internet.

• trackball

• webcame

• touch screens

• touchpad

The details detected by a scanner are not determined by its resolution.

• true

• false

A barcode scanner is a computer peripheral for reading barcode labels printed on products.

• true

• false

Scanners cannot handle optical character recognition.

• true

• false