Chapter 2 Understanding Function and Operating of Various ICT Devices

Senin, 25 Oktober 2010
A.MULTIPLE CHOICE
1. A
2. B
3. B
4. B
5. E
6. E
7. C
8. B
9. A
10.C

B.ESSAY
1. In ASCII code,by what code is letter W repsented?
2. Name and explain all supportin devices inside a CPU.
3. What is the abbreviation and the function of ROM?
4. Name three examples of network interface cards.
5. Name several cables that use on a wired network.
Answer:
1. The Letter W is repsented by the number code 87
2. A Processing device consists of the control unit(CU),the arithmetic Logic Unit(ALU),and the memory.
* Control Unit is to translate commands or instructions in a series and then continues them to the entir computer parts.
* Aritmatic Logic Unit (ALU)is to procces data by adding,subtracting,comparing and using logical formulas.
* Memory is to collect or to store data to run and application program.The capability depends on the memory capasity, which is stated in Byte,KByte,MByte and GByte unit.
3. ROM(Read Only Memory)
ROM is permanent memory that can be read but cannot be updated.ROM is to save compater operation program,such as BIOS and booting.
4. A Network Interface Card(NIC) such as:ethernet,arcnet and token ring.
5. A Wired Network the types of cables such as: UTP cable(Unshielded Twisted Pair),STP cable(Shielded Twisted Pair),Coaxcial cable,Optical fiber.

Evaluation of chapter
A.Multiple Choice
1.A
2.A
3.E
4.C
5.A
6.C
7.D
8.C
9.C
10.B

B.Essay
1) a. ensure that all power cable in computer are connected
b. turn on the CPU by pressing the On or Power button on the casing
c. Turn on the monitor by pressing the On or Power button on the monitor
d. wait until the booting procedure is finished, which is shown by the desktop appearance on the monitor screen.

2) Reset button is,if the computer crashes or hangs or can not be shut down through the standard procedure use the ’RESET’ button to restart the computer

3) Three,they are by using shortcut on the desktop,by using star menu,and the last by using the related document.

4)Office suite,word processore is software for documenting letter,books,reports,thesis,work,paper,etc.for example,Microsoft office,open office.org and abiword.

5)Word processore,graphic suite,multimedia,web browser,wordpard to type simple documents,and calculator to calculate mathematic operation.