Chapter 2

Question 1

What is ESD?

Answer 1

It is the sudden discharge of static electricity that can adversely affect a component

Question 2

Which device can protect computer equipment from brownouts by providing a consistent quality of electrical power?

Answer 2

UPS

Question 3

Which tool would be used to create a partition on a hard drive?

Answer 3

Disk Management

Question 4

How should a technician discharge static buildup while working on a computer system?

Answer 4

Maintain contact with an unpainted part of the computer case.

Question 5

Which piece of software is designed to protect against unauthorized communications to and from a computer?

Answer 5

firewall

Question 6

Which tool would be used to scan Windows critical system files and replace any corrupted files?

Answer 6

SFC

Question 7

Which tool can be used to take resistance and voltage measurements?

Answer 7

multimeter

Question 8

True / False: You should always wear an antistatic wrist strap, regardless of the device you’re working on?

Answer 8

False. Never wear an antistatic wrist strap when repairing power supplies or CRT monitors.

Question 9

What is EMI?

Answer 9

Electromagnetic interference (EMI) is the intrusion of outside electromagnetic signals in a transmission media, such as copper cabling.

Question 10

What is a blackout?

Answer 10

Complete loss of AC power.

Question 11

What is a brownout?

Answer 11

Reduced voltage level of AC power that lasts for a period of time.

Question 12

What is noise?

Answer 12

Interference from generators and lightning.

Question 13

What is a spike?

Answer 13

Sudden increase in voltage that lasts for a short period and exceeds 100 percent of the normal voltage on a line.

Question 14

What is a power surge?

Answer 14

Dramatic increase in voltage above the normal flow of electrical current.

Question 15

True / False: Printers can be plugged into a UPS?

Answer 15

False.

Question 16

What does the acronym MSDS stand for and what is it?

Answer 16

A Material Safety and Data Sheet (MSDS) is a fact sheet that summarizes information about material identification, including hazardous ingredients that can affect personal health, fire hazards, and first-aid requirements.

Question 17

What is OSHA?

Answer 17

Occupational Safety and Health Administration for the United States of America

Question 18

What are the four categories of hardware tools?

Answer 18

1. ESD tools
2. Hand tools
3. Cleaning tools
4. Diagnostic tools

Question 19

What type of screwdriver would you use for this screw?

Answer 19

A phillips screw driver.

Question 20

What are four examples of Cleaning Tools used?

Answer 20

1. Soft, Lint-free cloth
2. Compressed Air / Duster
3. Cable Ties
4. Parts Organizer

Question 21

What is the purpose of System File Checker (SFC)?

Answer 21

Scans the operating system critical files and replaces files that are corrupted.

Question 22

How would you clean a CRT display?

Answer 22

Dampen a soft, clean, lint-free cloth with distilled water and wipe the screen from top to bottom. Then use a soft, dry cloth to wipe the screen and remove streaking.

Question 23

True / False: You should use ammoniated glass cleaners to clean LCD displays?

Answer 23

False. Only use a specificly designed LCD cleaning solution or distilled water.