Chapter 3 - IT Essentials - PC Hardware & Software
1 Which port is typically used for external wireless NICs?
2 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
3 A technician is assembling a new computer. Which two components are often easier to install before mounting the motherboard in the case? (Choose two.)
4 Which solution should be used to clean a CPU and a heat sink?
soap and water
a diluted ammonia solution
5 When building a computer, which two components are normally installed in 3.5-inch drive bays? (Choose two.)
6 How many pins are in a SATA data cable connector?
7 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.
8 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.
9 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?
20-pin ATX connector
10 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.)
12 Which additional 4-pin or 6-pin power connector is required by some motherboards?
13 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?
14 Which type of drive is installed in a 5.25-inch bay?
15 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
16 Refer to the exhibit. Which type of hard drive uses the power connector shown?
17 Which internal component of a computer uses a 3-pin power connector?
18 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
Check the motherboard manual or manufacturer's website.
19 Refer to the exhibit. Which type of port is shown?
20 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?
20-pin ATX connector
21 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.
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