Questions and Answers
During startup, the CPU is fed instructions from the ______ code in the motherboard.
ROM
The ROM circuits contain important ______ routines which help to startup the PC and which hold everything together.
system
When you switch on the power to your PC, a lot of things happen. You ______ the noise of the various cooling fans.
hear
It is the ______ which is doing this work.
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Instructions are fragments of programs which are loaded into the CPU, and the CPU starts by executing the system software which is stored on the ______.
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Study Notes
Startup Process
- During startup, the CPU is fed instructions from the ROM code in the motherboard.
- ROM circuits contain important bootstrapping routines which help to startup the PC and hold everything together.
- When you switch on the power to your PC, the CPU starts executing the system software stored on the ROM.
CPU's Role
- The CPU is responsible for executing the system software and other instructions.
- The CPU performs its work, accompanied by the noise of the various cooling fans.
Program Execution
- Instructions are fragments of programs which are loaded into the CPU for execution.
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