Chapter 2 Understanding Functions And Operations Of Various Information Technology Devices

A. Multiple Choice

1. A
2. C
3. B
4. B
5. E
6. E
7. C
8. B
9. B
10. C

B. Essay

The Questins !

1. In ASCII code, by what code is letter W represented?
2. Name and explain all supporting devices inside a CPU.
3. What is the abbreviation and the function of ROM ?
4. Name 3 examples of network interface cards.
5. Name several cables that use on a wired network.

The Answer !

1. The letter W is represented by the number code 87.
2. A CPU socket-which is where a microprocessor is placed. A memory slot which is where a computer memory is placed. A chipset which is a chip that regulates the interaction among devices, there are a southbridge chip and a northbridge chip: An expansion slot, such as PCI, AGP, and PCI Express: A power connector to receive electrical input from the power supply unit (PSU) and then distributes the electricity to all connecting devices.
3. ROM (Read Only Memory) is a permanent memory that can be read but cannot be updated. ROM is to save computer operation program, such as BIOS and booting.
4. Ethernet, arcnet, and token ring.
5. UTP Cable, STP Cable, Coaxial Cable.