CHAPTER 2 Understanding Fungtions and Operations Of Various ICT Devices

A.multiple choice
     1.A
     2.C
     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 represented ?                                                                             answer : the letter W is represented by the numbar code 87.

     2. Name and explaind all supporting devices inside a CPU !
         answer : if CPU ( casing ) so the sopporting devices are
         -monitor : monitor is to display information in visial form < using image and text.
         -printer : printer is an autput devices to produce the result of computer process in text or  graphic on paper ( in a printed form ).
         -speaker : a speaker is an output device whice produces sound signal.

     3. What is the abbreveation and the function of ROM !
         answer : ROM ( Read Only Memory ).ROM is to save computer operation program,
         such us BIOS and booting.
     4. Name three examples if network interface cards !
         answer : there are several NIC types in the market , such us : ethernet,arcnet,and token ring.

     5. Name several cable that use on a wired network !
         answer :  a. UTP cable
                        b. STP cable
                        c. Coaxial cable
                        d. Optical fiber