Computer System
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What is a computer system? What does it do?
A system of hardware and software combined to convert input into output.
Examples of Input Devices
Keyboard, Mouse, Microphone, Touch screen Display
Examples of Output Devices
Monitor, Speaker, Printer, Webcam
What is system software? What does it do?
The programs that manage the operations of the computer. • It boots up the computer, when you switch it on. • It tells the CPU how to communicate with the other parts of the system. • It loads the relevant application when requested.
What is a Bus? What are the different types of Buses?
Buses are wires that transmit data inside the CPU. Types of Buses: Address Data Control
Data Bus
Allows data to travel back and forth between the CPU and memory(RAM).
Control Bus
It carries the control signals that make sure everything is flowing smoothly from place to place.
Address Bus
It carries information about the location of data in memory.