A. Multiple Choice
1. a. every input that is received by a computer
2. c. the computer processing result
3. b. user-input-CPU-output-user
4. b. base-2 number system
5. e. 0 and 1
6. e. 8
7. c. speaker
8. b. Control Unit
9. a. LAN
10. c. Topologi Ring
B. Essay
1. In ASCII code, by what code is letter W represented?
Answer : The letter W is represented by the number code 87
2. Name and explain all supporting devices inside a CPU?
Answer : * Input Devices --> devices that give input signals into the computer system. Input devices consist of direct input devices and indirect input devices.
1. Direct Input Device
Several examples of direct input devices
* Mouse * Scanner
* Keyboard * Microphone
* Joystick * Optical drive
2. Indirect Input Devices
Examples : key-to-tape, key-to-card, key-to-disk
* Processing Devices --> is a center to process and to control every data processing.
Examples : * Control Unit * Memory
* Arithmetic Logic Unit (ALU)
* Storage Devices --> are to store an input data and the CPU process result
1. Internal (Primary Storage) that consists of ROM (Read Only Memory) and RAM (Random Access Memory)
2. External (Secondary Storage) --> Example :
* Hardisk * DVD-ROM * Flashdisk
* CD-ROM * Floppy disk * Flash memory
* Output Devices --> are computer additional devices to show the result of a computer process. Example :
1. Monitor display 3. Speaker
2. Printer
3. ROM is Read Only Memory
ROM is to save computer operation program
4. * Ethernet
* Arcnet
* token ring
5. * UTP Cable (Unshielded Twisted Pair)
* STP Cable (Shielded Twisted Pair)
* Co axial
* Opticl fiber
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