reads data from and writes data to a disk

displays text and on a screen

used to input commands

an arrangement of letter figure symbol control function and editing keys and a numeric keypad used to enter data

keys used to enter letter numbers and symbols

keys at the right side of the keyboard used to enter numeric copy and perform calculations

used to execute commands sometimes with other keys commands vary with software

move insertion point up down left or right

closes a software menu or dialog box

moves the insertion point to a preset position

used to make all capital letters

makes capital letters and symbols shown at tops of number keys

with other keys executes commands may vary with software

with other keys executes commands may vary with software

inserts a space in text

moves insertion point to margin and down to next line.also used to execute commands

removes text to the right of insertion point.