Introduction to Computers

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Presentation transcript:

Introduction to Computers Lesson 2A Introduction to Computers

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

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

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

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

Mouse Variants Trackball Trackpad Integrated pointing device

Standard Input Devices Lesson 2A Standard Input Devices