Input

Keyboard

• Most common input device in most computer systems is QWERTY keyboard.
• Keys for all letters plus special keys such as ESC, ALT, CTRL, SHIFT and function keys
• Variations on this layout in different countries (extra keys such as a numeric keypad.
• Ergonomic keyboards designed to try to reduce repetitive strain injury (RSI) - people may find it weird to use as used to normal keyboard

• Devices…