A+ Certification : 2.0 Working With PC Components (Essentials)

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| By Taco666hate

Taco666hate

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Quizzes Created: 9 | Total Attempts: 7,923

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1/18 Questions

Which of the following steps is not necessary when replacing a floppy drive?
- Turn off the PC.
- Disconnect the power supply from the drive.
- Disconnect the ribbon cable from the drive.
- Disconnect the audio cable from the drive.

About This Quiz

This quiz covers essential knowledge for handling PC components, focusing on practical skills such as replacing drives, connecting cables, and troubleshooting power supplies.

A+ Certification : 2.0 Working With PC Components (Essentials) - Quiz

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?
- Closest to the power supply connector
- Farthest away from the power supply connector.
- Facing the top of the drive
- Facing the bottom of the drive
Correct Answer

A. Closest to the power supply connector

Explanation

Closest to the power supply connector is a general rule for stripe orientation. Because the cable attaches horizontally to the drive, there is no "facing the top" or "facing the bottom" orientation.

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3.

To fix a bad power supply in a desktop PC, you should __________.
- Remove and replace the entire power supply box.
- Disassemble the power supply and replace the coils.
- Disassemble the power supply and replace the capacitors.
- Disassemble the power supply and replace the resistors.
Correct Answer

A. Remove and replace the entire power supply box.

Explanation

You should never attempt to disassemble a power supply, because of the risk of electrocution and the relatively low cost of a new power supply.

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4.

How many bits of data does a high-speed serial cable carry simultaneously in a single direction?
- 1
- 8
- 32
- Depends on the cable.
Correct Answer

A. 1

Explanation

By definition, a serial cable carries only one bit of data at a time.

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5.

Which of the following could not be connected to an IDE interface on a typical motherboard?
- ATA-2
- EIDE
- ATAPI
- All of these could be connected.
Correct Answer

A. All of these could be connected.

Explanation

All of these types of IDE. ATA-2 and EIDE are the same thing. ATAPI is a non-hard-disk type of the IDE device.

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6.

What do UltraDMA/66 and higher require?
- Cable Select configuration
- An 80-wire cable
- Operating system support
- All the above
Correct Answer

A. An 80-wire cable

Explanation

UltraDMA/66 requires a special ribbon cable with extra wires to cut down on crosstalk.

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7.

On the primary IDE channel, if a single hard disk is attached, its jumper should be set to _________.
- Slave
- Single if available; otherwise Master
- Master
- Boot
Correct Answer

A. Single if available; otherwise Master

Explanation

If there is a Single setting, it should be used. Otherwise use Master. Slave is never appropriate for a single drive. There is no such jumper setting as Boot.

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8.

What type of SCSI termination uses voltage regulators inside the terminator?
- Active
- Passive
- High-Byte
- All of the above
Correct Answer

A. Active

Explanation

Active termination uses voltage regulators. Passive termination uses resistors.

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9.

Which AT command resets the modem?
- ATH0
- ATM0
- ATZ
- ATDT
Correct Answer

A. ATZ

Explanation

ATZ is a reset command. ATH0 hangs up. ATM0 turns off the speaker. ATDT dials whatever number follows it.

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10.

While inspecting a motherboard, you notice a discolored area. What is usually a cause of this?
- Spilled liquid
- Improper manufacture
- Power surge
- Underclocking
Correct Answer

A. Power surge

Explanation

Discolored areas on the board are often caused by overheating. This can be the result of power surges or overclocking.

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1
11.

What does the red stripe on a ribbon cable indicate?
- Pin 16
- Pin 1
- The manufacturer's trademark
- Parity
Correct Answer

A. Pin 1

Explanation

The red stripe on the cable indicated pin 1

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12.

Display devices can be connected to a PC using DB-15 connectors or _____________.
- HDT
- DVI
- VBA
- VBP
Correct Answer

A. DVI

Explanation

Digital Visual Interface (DVI) connectors can be used to connect display devices to PC's.

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13.

What utility can be used with Windows XP to format drives?
- Disk Design
- Disk Plan
- Disk Management
- Disk Prep
Correct Answer

A. Disk Management

Explanation

The Disk Management utility can be used in Windows XP to format drives.

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14.

What type of the female DB-style connector does SCSI-2 use? (Choose all that apply.)
- 25-pin
- 50-pin
- 68-pin
- 72-pin
Correct Answer(s)

A. 25-pin
A. 50-pin
A. 68-pin

Explanation

SCSI-2 uses a 25-, 50-, or 68-pin female DB-style connector.

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15.

Internally, what type of wire ribbon cable does SCSI use?
- 25-pin
- 50-pin
- 68-pin
- 72-pin
Correct Answer

A. 50-pin

Explanation

SCSI internal cabling uses a 50-wire ribbon cable with several keyed connectors.

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16.

When changing display devices or upgrading to a newer one, what is one of the most crucial components to have?
- Manufacturer's resolution recommendations
- Antistatic mat
- Ribbon cable
- Correct driver
Correct Answer

A. Correct driver

Explanation

The correct driver is needed in order to assure the new display device works as it should.

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17.

Every computer has a diagnostic program built into its BIOS called the ____________.
- CMOS
- BIOS
- POST
- DNS
Correct Answer

A. POST

Explanation

Every computer has a diagnostic program built into its BIOS called the power-on self-test (POST).

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18.

What two devices are commonly used to cool components within a PC? (Choose two.)
- Fans
- Compressed air
- Freon
- Heat sinks
Correct Answer(s)

A. Fans
A. Heat sinks

Explanation

Heat sinks and fans are commonly used to cool components within a PC.

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Current Version
Jan 18, 2023

Quiz Edited by
ProProfs Editorial Team
Jan 23, 2009

Quiz Created by
Taco666hate

A+ Certification : 2.0 Working With PC Components (Essentials)

Which of the following steps is not necessary when replacing a floppy drive?

Quiz Preview

When attaching a ribbon cable to a drive, if there is no marking for pin 1, which way should you orient the red stripe?

To fix a bad power supply in a desktop PC, you should __________.

How many bits of data does a high-speed serial cable carry simultaneously in a single direction?

Which of the following could not be connected to an IDE interface on a typical motherboard?

What do UltraDMA/66 and higher require?

On the primary IDE channel, if a single hard disk is attached, its jumper should be set to _________.

What type of SCSI termination uses voltage regulators inside the terminator?

Which AT command resets the modem?

While inspecting a motherboard, you notice a discolored area. What is usually a cause of this?

What does the red stripe on a ribbon cable indicate?

Display devices can be connected to a PC using DB-15 connectors or _____________.

What utility can be used with Windows XP to format drives?

What type of the female DB-style connector does SCSI-2 use? (Choose all that apply.)

Internally, what type of wire ribbon cable does SCSI use?

When changing display devices or upgrading to a newer one, what is one of the most crucial components to have?

Every computer has a diagnostic program built into its BIOS called the ____________.

What two devices are commonly used to cool components within a PC? (Choose two.)