631 Fill in the gap. Interactive ________ are used in museums, information centres and Internet kiosks. You use your finger to point directly to objects on the screen.
touch screen
trackball
touchpad
webcam
632 Fill in the gap. A ________ is used to send live video images via the Internet.
webcam
touch screen
trackball
touchpad
633 Fill in the gap. A ________ is found on notebook PCs. You use it by pressing the sensitive pad with a finger.
touchpad
webcam
touch screen
trackball
634 Answer the question. What is the Num Lock key used to?
It is used to switch from numbers to editing functions.
It is used to cut the selected text.
It is used to represent letters and numbers.
It is used to handle directional sticks and face buttons.
635 Answer the question. What is the function of Caps Lock?
It sets the keyboard in ‘CAPITALS’ mode; it only affects letters.
It moves the insertion point, and keys such as Home, End, Page up, and Page down.
It let you move around documents.
It changes your current position.
636 Fill in the gap. _______ produces upper-case letters, but it does not affect numbers and symbols.
Caps Lock
Ctrl
Alt
Enter
637 Fill in the gap. _______ removes the character to the left of the cursor any selected text.
Delete
Insert
Backspace
Function keys
638 Fill in the gap. _______ works in combination with other keys, e.g. you press this key and C to copy the selected text.
Ctrl
Caps Lock
Alt
Enter
639 Fill in the gap. _______ is used to confirm commands; in a word processor, it creates a new paragraph.
Enter
Ctrl
Caps Lock
Alt
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