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21 Cards in this Set

  • Front
  • Back
What does the Motherboard do?
*Connects all system components
*House CPU, expansion bus, input/output interfaces, drive controllers & system memory
What are the major Motherboard capabilities?
*Distributes power from power supply
*Provide data paths for control signals & data
*Offers various sockets & pads for mounting components
*Provides expansions slots for add-on integrated circuits (ICs) or Printed Circuit Boards (PCBs)
What are 3 Basic Attributes of the Motherboard?
1. Form Factor: determines actual physical shape and dimensions
2. Bus Structure: determines actual design of circuit traces
3. Chipset: describes the chips on the board used to support attached components.
What is a "trace"?
A solid-state replacement for wire. Also known as a circuit trace.
What is an "integrated" device?
A device plugged into a socket or soldered onto a board. Often referred to as IC boards.
What is an "integrated circuit"?
A chip that replaces multiple separate components. It is integrated because of the many devices etched on its strata. A signal trace is the piece of circuitry that allows for the flow of electricity. For example, a CPU is an integrated circuit.
What is "strata"?
Modern motherboards are often made up of muti-layer boards (strata), meaning that one etched board is bonded on top of others.
What is a "bus"?
A bus is a way to move information around a circuit board.
What are the types of form factors?
1. XT: eXtended Technology
2. AT: Advanced Technology
3. ATX: Advanced Tehcnology Xtensions
4. LPX: Low-Profile eXtensions
5. NLX: InteLeX
What is the eXtended Technology (XT) Form Factor?
A form factor with keyboard connector, floppy drive and 10MB fixed disk (hard drive).
What is the Advanced Technology (AT) Form Factor?
First used with the Intel 80286, with 16-bit internal and 16-bit external memory bus. This meant that information could travel across the motherboard in 16-bit rows. Some ISA (Industry Standard Architecture) were modified to handle the wider data bits, but some kept the 8-bit configuration for backward compatability with XT boards.
Single 0 or 1
1 bit x 1,024=1,024 bits
1 bit x 1,024(2)
1 bix x 1,024(3)
1 bit x 1,024(4)
8 bits
1 byte x 1,024
1 byte x 1,024(2)
1 byte x 1,024(3)
1 byte x 1,024(4)