Key

Purpose

Backspace

Moves the cursor back one space, deleting the

 

 

character to the left of the cursor.

Enter

Caps Lock

Ends a line of keyboard input or executes a command (may be called the Return key in some application program manuals).

Changes the letter keys from lower- to uppercase; changes back to lowercase when pressed again. The numeric/symbol keys on the top row of the keyboard are not affected.

Esc

Num Lock

Scroll Lock

Break

PrtSc

Cancels the current command line or operation.

Changes the function of the keys on the numeric/ cursor keypad from numeric entry to cursor positioning; changes back when pressed again.

Controls scrolling in some applications.

When pressed with the Ctrl key, sends a break signal to the computer to terminate the current operation.

When pressed with Shift. prints the screen display on a dot-matrix printer.

Home, End

Control cursor location.

PgUp. PgDn

 

Ins

Turns the insert function on and off.

Del

Deletes the character marked by the cursor.

The Num Lock, Scroll Lock, and Caps 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 on the top right comer of the keyboard is on. When the function is disabled, the light is off.

Using Your Computer

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