Archive for the ‘Computer System Board’ Category
Thursday, April 3rd, 2008 46 views
I/O busses connect the CPU to all other components, except RAM. Data are moved on the busses from one component to another, and data from other components to the CPU and RAM. The I/O busses differ from the system bus in speed. Their speed will always be lower than the ...
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Thursday, April 3rd, 2008 28 views
The PC receives and sends its data from and to busses. They can be divided into:
The system bus, which connects the CPU with RAM
I/O busses, which connect the CPU with other components.
The point is, that the system bus is the central bus. Actually, it connects to the I/O busses, as ...
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Monday, March 31st, 2008 48 views
During start-up. the BIOS programs are read from a ROM chip. BIOS is abbreviation of Basic Input Output System and those are programs, which are linked to specific hardware systems. For example, there is a BIOS routine, which identifies how the PC reads input from the keyboard.
BIOS is a typical ...
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Monday, March 31st, 2008 13 views
When you turn power on, several things happen in the PC:
You hear the fan motor starting. There are one or more cooling fans in the PC. They produce a whirring sound.
After a few seconds, text starts to scroll on the screen.
Now the PC tests and counts the RAM. You see ...
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Monday, March 31st, 2008 8 views
The PC construction
The PC consists of a central unit (referred to as the computer) and various peripherals. The computer is a box, which contains most of the working electronics. It is connected with cables to the peripherals.
On these pages, I will show you the computer and its components. Here is ...
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Monday, March 31st, 2008 8 views
The technical term for a PC is micro data processor. That name is no longer in common use. However, it places the PC in the bottom of the computer hierarchy:
Mainframes are the very largest computers - million dollar machines, which can occupy more than one room, An example is ...
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