624 Answer the question. What does Backspace key do?
It deletes the character to the left of your current position.
It changes the functions of other keys.
It represents represent letters and numbers, arranged as on a typewriter.
It includes ‘arrow keys’ which move the insertion point.
625 Answer the question. What is “To click”?
press and release the left button
press and release the left button twice
hold down the button, move the pointer to a new place and then release the button
press and release the right button; this action displays a list of commands
626 Answer the question. What is “To double-click”?
press and release the left button twice
press and release the left button
hold down the button, move the pointer to a new place and then release the button
press and release the right button; this action displays a list of commands
627 Answer the question. What is “To drag”?
hold down the button, move the pointer to a new place and then release the button
press and release the left button twice
press and release the left button
press and release the right button; this action displays a list of commands
628 Answer the question. What is “Right click”?
press and release the right button; this action displays a list of commands
hold down the button, move the pointer to a new place and then release the button
press and release the left button twice
press and release the left button
629 Answer the question. What is voice-recognition system?
It can be used to control your PC with voice commands.
It is a hand-held device.
It is USB mini port and cable for wired play and automatic battery charging.
It uses thumbs to handle directional sticks and face buttons.
630 Fill in the gap. 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
touchpad
webcam
touch screen
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