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Outline the process a PC follows once it has been switched on?
Member rating: No Rating | Words: | Submitted: Thu Nov 04 2004
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Tasks 1) Outline the process a PC follows once it has been switched on? You need to discuss the POST, loading of the operating system and how the memory (RAM) is utilized during the initial start up process. The systems Basic Input/Output System (BIOS), which is machine code and located in Read Only Memory (ROM) on the motherboard. It is placed in ROM because it has the attribute of holding data when power is removed. When power is supplied (PC switched on) there is a temporarily delay while the system waits until a reliable power supply is generated, to prevent damage to the more delicate components. The chip set generates a reset signal to the processor (similar to that of the reset button on a PC's case) until the "power good" signal is received from the power supply. Once the power is applied, the processor can now start executing, but there is a problem...
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