1.12. Answers to Review Questions

  1. PCI and AGP. The third type is ISA.

  2. Possible answers include: (1) position of CPU, (2) expansion slot orientation, (3) built-in ports on the side, (4) one-piece power supply connector, (5) physical size and shape of the motherboard, and (6) type of keyboard connector.

  3. They are the two types of slots/sockets for CPUs in motherboards. PGA is the type with a grid of holes into which pins fit on a flat chip. SECC is the type that accepts a circuit board surrounded by a cartridge. Whenever you see socket in the name, it's always a PGA type. SECC types have slot in the name.

  4. +5V, −5V, +12V, and −12V for all power supplies, plus +3.3V for an ATX power supply.

  5. The internal speed is a multiple of the external speed.

  6. The L2 ...

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