Evaluation of chapter 2 (understanding function and operation of various information and communication devices)

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

essay
1. Q : in ASCII code, by what code is letter W represented?
A : the letter W is represented by thenumber code 87
2. Q : name and explain all supporting devices inside a CPU!
A : a. Control unit is to translate command or instructions in a series and then continuous them to the enter computer part
b. Aritmatika logic unit (ALU) is to process data by adding, substracting, compang and using logical formula
c. Memory is ti collect or to store data to run an application program. The capability depend on the memory capacity, which is stsed in byte, BYte, MByte and BYte.
3. Q : What is the abbreviation and the function of ROM
A : ROM is a permanent memory that can be read but cannot be update. ROM is to save computer operation program, such as BIOS and booting
4. Q : name three example of network interface cards
A : ethernet, acne an teken ring
5. Q : name several cables that use on a wired network
A : UPT cable (unshielded twisted pair), STP cable (shielded twisted pair), coaxial cable, optical fiber