| A | B |
| Keyboard | By typing keys, you can enter letters, numbers, and characters |
| Mouse | It is used to move the cursor and other objects around on the screen. |
| Scanner | An optical is used to read information into a computer by the use of light |
| Track Ball | Similar to a mouse, it consists of a ball set upon a square or rectangular mount. |
| Tablet | a device upon which you can draw |
| Disks and Disk Drives | Programs from a disk are read into a computer through the disk drive |
| Voice Recognition System | It converts your voice into electronic signals through a microphone |
| Modem | it converts signals from a telephone into digital pulses a computer can understand. |
| Joystick | it is an input device used for playing computer games |
| Touch Screen | you press the screen with your finger to activate your choice |