I.T. CHAPTER 3

I.T. CHAPTER 3
I.T. CHAPTER 3
A technician is installing a new power supply in a computer. Which type of power
connector should be used to connect to a PATA hard drive?
Berg
mini-Molex
Molex
20-pin ATX connector
A technician is installing a new power supply in a computer. Which type of power
connector should be used to connect to a floppy drive?
Berg
Molex
20-pin ATX connector
SATA connector
A technician is assembling a new computer. Which two components are often easier to
install before mounting the motherboard in the case? (Choose two.)
CPU
memory
NIC
sound card
video card
Which solution should be used to clean a CPU and a heat sink?
soap and water
rubbing alcohol
a diluted ammonia solution
isopropyl alcohol
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
How many pins are in a SATA data cable connector?
7
34
40
80
184
A technician is troubleshooting a computer that has a malfunctioning floppy drive. The
technician observes that the floppy drive light remains lit constantly. How should the
technician attempt to repair the problem?
Remove the floppy drive using Add/Remove Hardware.
Replace the floppy drive.
Connect the data cable making sure that the colored stripe on the cable is
aligned with pin 1 on the drive and the motherboard.
Change the jumper setting to master for the floppy drive.
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.
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
Which port is typically used for external wireless NICs?
Parallel
PS/2
SCSI
USB
Which additional 4-pin or 6-pin power connector is required by some motherboards?
AUX
Berg
Parallel
SCSI
A technician is installing a new CPU in a ZIF socket on a motherboard. What is the
primary way of securing the CPU in place?
thermal compound
antistatic fasteners
load lever
screws
Which type of drive is installed in a 5.25-inch bay?
hard drive
optical drive
floppy drive
LS120 drive
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
Refer to the exhibit. Which type of hard drive uses the power connector shown?
ATA
EIDE
SATA
SCSI
USB
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.
Refer to the exhibit. Which type of port is shown?
FireWire
graphics
RJ11
RJ45
USB
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.
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.
Which internal component of a computer uses a 3-pin power connector?
floppy drive
hard drive
sound card
fan
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