Question 1

Do not power on a power supply without a/an _______ because the power supply can be damaged.

Accepted Answer

The answer of Do not power on a power supply...

Question 2

The power going into the power supply is power.

Accepted Answer

A)  AC 
B)  DC 
C)  Overvoltage 
D)  Undervoltage 
A)  AC 
B)  DC 
C)  Overvoltage 
D)  Undervoltage

Question 3

Preventive maintenance is done when a computer is not working.

Accepted Answer

A) True 
 B)False

Question 4

Three common tasks performed during preventive maintenance include

Accepted Answer

A)  Vacuuming the computer, cleaning CD/DVD laser, and using urethane swabs to clean between the keys on a keyboard 
B)  Cleaning the CPUʹs gold pins, lubricating disassembled drives, and replacing cables 
C)  Using alcohol to clean the case, moving adapters to different locations on the motherboard, and pressing the power-on and off button 10 times in quick succession 
D)  Replacing the computer case, upgrading the microprocessor, and using soap and water to clean printer rollers 
A)  Vacuuming the computer, cleaning CD/DVD laser, and using urethane swabs to clean between the keys on a keyboard 
B)  Cleaning the CPUʹs gold pins, lubricating disassembled drives, and replacing cables 
C)  Using alcohol to clean the case, moving adapters to different locations on the motherboard, and pressing the power-on and off button 10 times in quick succession 
D)  Replacing the computer case, upgrading the microprocessor, and using soap and water to clean printer rollers

Question 5

Keep humidity below 1 percent to reduce the threat of ESD.

Accepted Answer

A) True 
 B)False

Question 6

Why is it best not to start cleaning a computer by using compressed air?

Accepted Answer

A)  Some people may be sensitive to the dust blown into the air. 
B)  Pressure may damage the fragile electronic equipment. 
C)  Heavy dirt canʹt be moved by the compressed air. 
D)  The turbulence from the compressed air causes an RFI disturbance. 
A)  Some people may be sensitive to the dust blown into the air. 
B)  Pressure may damage the fragile electronic equipment. 
C)  Heavy dirt canʹt be moved by the compressed air. 
D)  The turbulence from the compressed air causes an RFI disturbance.

Question 7

Using good grammar, describe three best practices to use when disassemblying a computer.

Accepted Answer

When disassembling a computer, it is imp

Question 8

A total loss of power is also known as a/an _______.

Accepted Answer

The answer of A total loss of power is also...

Question 9

Happy-go-lucky Harry decides to open his computer case to see what he could see. After a few moments of pondering, he notices five ribbon-like cables on the motherboard. He pulls at one and disconnects it from the motherboard. Delighted at his success at removing something, he pulls out all but one cable. He is interrupted by a phone call and when he returns, he realizes that he has forgotten which direction the cables face to be correctly reinserted into the board. What is the simplest thing you can do to solve Harryʹs problem?

Accepted Answer

A)  Take away Harryʹs computer and tell him that he has been naughty. 
B)  Tell Harry to insert the cable in one direction and turn the computer on. If the function of the device works, then move to the next cable and repeat the test. 
C)  Tell Harry that all cables on the motherboard are placed with pin 1 on the right. 
D)  Tell Harry to look at the orientation of the colored stripe on the last remaining attached cable and plug the other cables in the same direction. 
A)  Take away Harryʹs computer and tell him that he has been naughty. 
B)  Tell Harry to insert the cable in one direction and turn the computer on. If the function of the device works, then move to the next cable and repeat the test. 
C)  Tell Harry that all cables on the motherboard are placed with pin 1 on the right. 
D)  Tell Harry to look at the orientation of the colored stripe on the last remaining attached cable and plug the other cables in the same direction.

Question 10

When measuring a broken wire, the meter shows _____ resistance.

Accepted Answer

The answer of When measuring a broken wire, the meter...

Question 11

Which of the following is NOT a purpose for the power supply?

Accepted Answer

A)  Provide cooling for the computer. 
B)  Convert AC to DC. 
C)  Provide power to the computer. 
D)  Provide current to the monitor. 
A)  Provide cooling for the computer. 
B)  Convert AC to DC. 
C)  Provide power to the computer. 
D)  Provide current to the monitor.

Question 12

A meter reading for a good fuse shows ____.

Accepted Answer

A)  0 ohms 
B)  0 farads 
C)  Infinite farads 
D)  Infinite volts 
A)  0 ohms 
B)  0 farads 
C)  Infinite farads 
D)  Infinite volts

Question 13

A home computer user studies the computer and cries in frustration to you, ʺHow can I connect the ribbon cable if the connector on the motherboard does not have a pin 1.ʺ You look at the connector site on the motherboard and confirm the observation. You say, ʺIt looks like there is only a 40 there.ʺ From the items given, pick the most logical next step.

Accepted Answer

A)  Remove the motherboard, turn it over, and look for a square solder joint at the connector site. 
B)  Replace the motherboard with one that has better documentation. 
C)  Turn the ribbon cable around so that the arrow on the ribbon cable is on the opposite end of the pin marked with a 40 and connect it to the motherboard. 
D)  Purchase the correct cable for use on the motherboard. 
A)  Remove the motherboard, turn it over, and look for a square solder joint at the connector site. 
B)  Replace the motherboard with one that has better documentation. 
C)  Turn the ribbon cable around so that the arrow on the ribbon cable is on the opposite end of the pin marked with a 40 and connect it to the motherboard. 
D)  Purchase the correct cable for use on the motherboard.

Question 14

A noise produced by electrical device is

Accepted Answer

A)  ESD 
B)  Standoffs 
C)  EMI 
D)  EDD 
A)  ESD 
B)  Standoffs 
C)  EMI 
D)  EDD

Question 15

A/An _______ is an electronic component found in power supplies and CRT monitors that stores a charge even after power is removed.

Accepted Answer

The answer of A/An _______ is an electronic component found...

Question 16

Jessie, the PC technician, replaced a power supply in an older ATC computer. Jessie notices that the ATX motherboard connector has more pins than the main power connector coming from the power supply. What should Jessie do?

Accepted Answer

A)  Obtain a compatible power supply. 
B)  Replace the motherboard. 
C)  Obtain a 20- to 24-pin power adapter. 
D)  Nothing. The newer ATX power supply is compatible with both 20 - and 24-pin connectors. 
A)  Obtain a compatible power supply. 
B)  Replace the motherboard. 
C)  Obtain a 20- to 24-pin power adapter. 
D)  Nothing. The newer ATX power supply is compatible with both 20 - and 24-pin connectors.

Question 17

Which of the following items could be useful in performing a continuity check on a cable that has small pin connections?

Accepted Answer

A)  A dime 
B)  A paper clip 
C)  Wire cutters 
D)  Chewing gum 
A)  A dime 
B)  A paper clip 
C)  Wire cutters 
D)  Chewing gum

Question 18

Never send an email when you are _____.

Accepted Answer

The answer of Never send an email when you are...

Question 19

Resistance is measured in .

Accepted Answer

A)  Amps 
B)  Watts 
C)  Ohms 
D)  Farads 
A)  Amps 
B)  Watts 
C)  Ohms 
D)  Farads

Question 20

What unique danger does a magnetic screwdriver present while removing screws that hold an adapter card and motherboard, or picking up a dropped screw?

Accepted Answer

A)  Scratching the surface of the adapter or board 
B)  Stripping the head of a screw 
C)  Induction of a current 
D)  Picking up more than what was intended 
A)  Scratching the surface of the adapter or board 
B)  Stripping the head of a screw 
C)  Induction of a current 
D)  Picking up more than what was intended

Do not power on a power supply without a/an _______ because the power supply can be damaged.

The power going into the power supply is power.

Preventive maintenance is done when a computer is not working.

Three common tasks performed during preventive maintenance include

Keep humidity below 1 percent to reduce the threat of ESD.

Why is it best not to start cleaning a computer by using compressed air?

Using good grammar, describe three best practices to use when disassemblying a computer.

A total loss of power is also known as a/an _______.

When measuring a broken wire, the meter shows _____ resistance.

Which of the following is NOT a purpose for the power supply?

A meter reading for a good fuse shows ____.

A noise produced by electrical device is

A/An _______ is an electronic component found in power supplies and CRT monitors that stores a charge even after power is removed.

Jessie, the PC technician, replaced a power supply in an older ATC computer. Jessie notices that the ATX motherboard connector has more pins than the main power connector coming from the power supply. What should Jessie do?

Which of the following items could be useful in performing a continuity check on a cable that has small pin connections?

Never send an email when you are _____.

Resistance is measured in .

What unique danger does a magnetic screwdriver present while removing screws that hold an adapter card and motherboard, or picking up a dropped screw?

Introduction to Computer Repair

On the Motherboard

System Configuration

Logical Troubleshooting

Memory

Storage Devices

Multimedia Devices

Other Peripherals

Computing Design

Basic Operating Systems

Windows Xp, Vista, and 7

Internet Connectivity

Introduction to Networking

Computer and Network Security

Filters

Exam 4: Disassembly and Power

Do not power on a power supply without a/an _______ because the power supply can be damaged.

The power going into the power supply is power.

Preventive maintenance is done when a computer is not working.

Three common tasks performed during preventive maintenance include

Keep humidity below 1 percent to reduce the threat of ESD.

Why is it best not to start cleaning a computer by using compressed air?

Using good grammar, describe three best practices to use when disassemblying a computer.

A total loss of power is also known as a/an _______.

When measuring a broken wire, the meter shows _____ resistance.

Which of the following is NOT a purpose for the power supply?

A meter reading for a good fuse shows ____.

A noise produced by electrical device is

A/An _______ is an electronic component found in power supplies and CRT monitors that stores a charge even after power is removed.

Jessie, the PC technician, replaced a power supply in an older ATC computer. Jessie notices that the ATX motherboard connector has more pins than the main power connector coming from the power supply. What should Jessie do?

Which of the following items could be useful in performing a continuity check on a cable that has small pin connections?

Never send an email when you are _____.

Resistance is measured in .

What unique danger does a magnetic screwdriver present while removing screws that hold an adapter card and motherboard, or picking up a dropped screw?

Introduction to Computer Repair

On the Motherboard

System Configuration

Logical Troubleshooting

Memory

Storage Devices

Multimedia Devices

Other Peripherals

Computing Design

Basic Operating Systems

Windows Xp, Vista, and 7

Internet Connectivity

Introduction to Networking

Computer and Network Security

Filters