Parentboard

Booting the Computer
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Booting the Computer

Very shortly, the Pentium boot process is as follows. Every Pentium includes a parentboard (previously called a motherboard before political correctness hit the computer industry). On the parentboard is a program called the system BIOS (Basic Input Output System). The

Interrupts Revisited
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Interrupts Revisited

We briefly introduced interrupts in "Handheld Computer Operating Systems" but there is more to be said. In a typical personal computer system, the interrupt structure is as illustrated in Figure 1. At the hardware level, interrupts work as follows. When an I/O device has finished

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