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Selasa, 29 Mei 2012

Chapter 3

Chapter 3 (score 95%)

1. What is a function of the adapter cards that are installed in a computer?
- to transfer external power to the motherboard
- to connect the motherboard to internal memory
- to connect internal power cables to the motherboard
- to provide functionality for external components to be connected to the computer

2.Which two connections should be provided to a floppy disk drive during installation? (Choose two.)
- a floppy data cable to connect the FDD to the motherboard
- a cable from the power supply to the Berg power connector on the FDD
- a cable from the 3-pin fan power connector into the Berg power connector on the FDD
- a data cable from the Molex connector of the optical drive to the Berg connector on the FDD
- a cable from the 20-pin ATX power connector socket on the motherboard to the Berg power connector on the FDD

3. When building a computer, which two components are normally installed in 3.5-inch drive bays? (Choose two.)
- hard drive
- optical drive
- floppy drive
- flash drive
- video card

4. Which two connectors are used to connect external peripherals? (Choose two.)
- EIDE
- Molex
- PATA
- PS/2
- USB

5. Which type of drive is installed in a 5.25-inch bay?
- hard drive
- optical drive
- floppy drive
- LS120 drive

6. What is the most reliable way for users to buy the correct RAM to upgrade a computer?
- Buy RAM that is the same color as the memory sockets on the motherboard.
- Ensure that the RAM chip is the same size as the ROM chip.
- Ensure that the RAM is compatible with the peripherals installed on the motherboard.
- Check the motherboard manual or manufacturer’s website.

7. What is a convenient way that a technician can tell whether a ribbon cable is for an IDE hard drive or a floppy drive?
- The IDE cable has a colored stripe on one edge.
- The floppy cable motherboard connector is normally gray.
- The IDE cable is gray.
- The floppy cable has a twist in the cable.

8. Which action is recommended to prevent the motherboard from contacting the metal base of the case?
- Ensure that the non-conductive side of the case is beneath the motherboard.
- Use standoffs to keep the motherboard above the metal base.
- Place a non-conductive barrier between the motherboard and the metal base.
- Use a self-adhesive non-conductive membrane on the underside of the motherboard.

9. A technician has just finished assembling a new computer. When the computer is powered up for the first time, the POST discovers a problem. How does the POST indicate the error?
- It issues a number of short beeps.
- The LED on the front of the computer case flashes a number of times.
- It places an error message in the BIOS.
- It locks the keyboard.

10. A technician is installing a new power supply in a computer. Which type of power connector should be used to connect to an ATX motherboard?
- Berg
- mini-Molex
- Molex
- 20-pin connector

11

Refer to the exhibit. What is the order of steps that should be followed for a power supply installation in a computer?
- Steps 1, 2, 4
- Steps 1, 3, 2
- Steps 1, 4, 3
- Steps 2, 3, 4

12. What should be the next installation step after all the internal components of a PC have been installed and connected to the motherboard and power supply?
- Connect the monitor cable.
- Connect the network cable.
- Reattach the side panels to the case.
- Connect the power cables to the computer.

13. What is a function of the BIOS?
- enables a computer to connect to a network
- provides temporary data storage for the CPU
- performs a check on all internal components
- provides graphic capabilities for games and applications

14. When installing a CPU in a ZIF socket, how should the technician align the pins to avoid damage?
- Pin 1 is always aligned with the opposite corner from the base of the lever.
- Pin 1 on the CPU is aligned with Pin 1 on the ZIF socket.
- Pin 1 is aligned with the corner closest to the memory.
- The removed corner of the CPU is always aligned with the corner opposite Pin 1.

15. What is a function of a video adapter card?
- stores video files in RAM
- connects a computer to a video storage device
- provides the appropriate drivers for the monitor
- provides an interface between a computer and a display monitor

16

Refer to the exhibit. Which should be the last step when connecting external cables to a computer?
- Step 1
- Step 2
- Step 3
- Step 4
- Step 5
- Step 6

17. After a technician has assembled a new computer, it is necessary to configure the BIOS. At which point must a key be pressed to start the BIOS setup program?
- before the computer is powered on
- during the Windows load process
- during the POST
- after the POST, but before Windows starts to load

18. Where should internal drives be installed in a computer?
- in internal bays
- on the AGP channel
- on the motherboard
- on PCIe expansion slots

19. A field technician has been asked to install a wireless 802.11g NIC in a computer, but is unsure about the expansion slots available. Which two types of wireless NICs should the technician have available? (Choose two.)
- PCIe
- AGP
- SCSI
- PCI
- SATA

20. What is the first step that a technician should take before physically opening a computer case?
- Verify the room temperature.
- Consult the website of the manufacturer.
- Check the ventilation in the room.
- Provide small containers to collect small screws.

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