1.2 - Input & Output Devices
What input devices are and their purpose
Input devices are hardware components that allow users to send data or instructions into a computer system.
Common input devices like mice and keyboards
Mice and keyboards are among the most widely used input devices in everyday computing. They provide straightforward ways to interact with graphical user interfaces and enter text or commands.
Key features of mice
- Pointer control - A mouse lets you move a cursor (pointer) across the computer screen.
- Buttons for commands - Most mice have two or three buttons that can be clicked to perform commands.
Key features of keyboards
- Layout variations - The standard layout in many countries is QWERTY.
How mice work to control on-screen pointers
Mice use sensors to detect movement, which allows the on-screen pointer to move in the same way as the mouse.
Features of keyboards and their layout
The most common type is the QWERTY keyboard.
How were these notes?