1. Introduction to Computers
Lesson 2A
Introduction to Computers

2. Keyboard Alphanumeric keys Modifier keys Numeric keypad Function keys
Cursor-movement keys
Special-purpose keys
Click to Enlarge

3. How the Computer Accepts Input from the Keyboard
Keyboard controller
Keyboard buffer
Scan code
Interrupt request
Repeat rate
Click to Enlarge

4. The Mouse
An input device that rolls around on a flat surface and controls the pointer

5. Examples of Mouse Maneuvers
Pointing
Clicking
Double-clicking
Dragging
Right-clicking

6. Mouse Variants
Trackball
Trackpad
Integrated pointing device

7. Standard Input Devices
Lesson 2A
Standard Input Devices