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Key functions (continued)
Key
Atl
Purpose
Works with other keys to enter alternate
character codes or functions.
‘
Backspace
Moves the cursor back one space, deleting
the character to the left of the cursor.
8 8
Enter
Ends a line of keyboard input or executes a
command.
Insert (Ins)
Turns the Insert function on and off.
Delete (Del)
Deletes the character marked by the cursor.
Home, End
Control cursor location.
Page UP PgUp)
Page Down (PgDn)
“”‘’
Num Lock
ESC
Fl-F12
Print Screen
SYS Rq
Scroll Lock
Pause
Break
Changes the function of the numeric/cursor
keys from entering numbers to positioning the
cursor; changes back when pressed again.
Cancels the current command line or
operation.
Perform special functions within application
programs.
Prints the screen display on a line printer.
Generates the System Request function in
some application programs (used with Alt).
Controls scrolling in some applications.
Suspends the current operation.
Terminates the current operation (when used
with Ctrl).
The
Caps Lock, Num Lock,
and
Scroll Lock
keys work as
toggles; press the key once to turn on a function and again to
turn it off. When the function is enabled, the corresponding
light in the upper right comer of the keyboard is on.
Using Your Computer 3-3