A+ Certification : 2.0 Working With PC Components (Essentials)
0Test your knowledge with working with PC Components.
- 1.Which of the following steps is not necessary when replacing a floppy drive?
- A.
Turn off the PC.
- B.
Disconnect the power supply from the drive.
- C.
Disconnect the ribbon cable from the drive.
- D.
Disconnect the audio cable from the drive.
- 2.When attaching a ribbon cable to a drive, if there is no marking for pin 1, which way should you orient the red stripe?
- A.
Closest to the power supply connector
- B.
Farthest away from the power supply connector.
- C.
Facing the top of the drive
- D.
Facing the bottom of the drive
- 3.To fix a bad power supply in a desktop PC, you should __________.
- A.
Remove and replace the entire power supply box.
- B.
Disassemble the power supply and replace the coils.
- C.
Disassemble the power supply and replace the capacitors.
- D.
Disassemble the power supply and replace the resistors.
- 4.How many bits of data does a high-speed serial cable carry simultaneously in a single direction?
- A.
1
- B.
8
- C.
32
- D.
Depends on the cable.
- 5.Which of the following could not be connected to an IDE interface on a typical motherboard?
- A.
ATA-2
- B.
EIDE
- C.
ATAPI
- D.
All of these could be connected.
- 6.What do UltraDMA/66 and higher require?
- A.
Cable Select configuration
- B.
An 80-wire cable
- C.
Operating system support
- D.
All the above
- 7.On the primary IDE channel, if a single hard disk is attached, its jumper should be set to _________.
- A.
Slave
- B.
Single if available; otherwise Master
- C.
Master
- D.
Boot
- 8.What type of SCSI termination uses voltage regulators inside the terminator?
- A.
Active
- B.
Passive
- C.
High-Byte
- D.
All of the above
- 9.Which AT command resets the modem?
- A.
ATH0
- B.
ATM0
- C.
ATZ
- D.
ATDT
- 10.While inspecting a motherboard, you notice a discolored area. What is usually a cause of this?
- A.
Spilled liquid
- B.
Improper manufacture
- C.
Power surge
- D.
Underclocking
- 11.What does the red stripe on a ribbon cable indicate?
- A.
Pin 16
- B.
Pin 1
- C.
The manufacturer's trademark
- D.
Parity
- 12.Display devices can be connected to a PC using DB-15 connectors or _____________.
- A.
HDT
- B.
DVI
- C.
VBA
- D.
VBP
- 13.What utility can be used with Windows XP to format drives?
- A.
Disk Design
- B.
Disk Plan
- C.
Disk Management
- D.
Disk Prep
- 14.What type of the female DB-style connector does SCSI-2 use? (Choose all that apply.)
- A.
25-pin
- B.
50-pin
- C.
68-pin
- D.
72-pin
- 15.Internally, what type of wire ribbon cable does SCSI use?
- A.
25-pin
- B.
50-pin
- C.
68-pin
- D.
72-pin
- 16.When changing display devices or upgrading to a newer one, what is one of the most crucial components to have?
- A.
Manufacturer's resolution recommendations
- B.
Antistatic mat
- C.
Ribbon cable
- D.
Correct driver
- 17.Every computer has a diagnostic program built into its BIOS called the ____________.
- A.
CMOS
- B.
BIOS
- C.
POST
- D.
DNS
- 18.What two devices are commonly used to cool components within a PC? (Choose two.)
- A.
Fans
- B.
Compressed air
- C.
Freon
- D.
Heat sinks
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