Chapter 2 Lab Procedures and Tool Use

Question 1

How much ESD Electrostatic Discharge is needed to damage a computer? 2.1.21

Answer 1

30 volts of static electricity can damage a computer component.

Question 2

What happens in a blackout 2.1.2.2

Answer 2

Complete loss of AC power.

Question 3

What happens in a brownout? 2.1.2.2

Answer 3

Reduced voltage level of AC power that lasts for a period of time. Brownouts occur when the power line voltage drops below 80 percent of the normal voltage level.

Question 4

What is a NOISE? 2.1.2.2

Answer 4

Interference from generators and lightning

Question 5

What is a Spike? 2.1.2.2

Answer 5

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

Question 6

What is a Power Surge? 2.1.2.2

Answer 6

Dramatic increase in voltage above the normal flow of electrical current

Question 7

What does MSDS Stand for and what does it cover 2.1.3.1

Answer 7

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 8

How show you dispose of computer batteries? 2.1.3.2

Answer 8

Recycling batteries should be a standard practice for a technician. All batteries, including lithium-ion, nickel-cadmium, nickel-metal hydride, and lead-acid, are subject to disposal procedures that comply with local environmental regulations.

Question 9

What does a loop back adapter test? 2.2.1.5

Answer 9

tests the basic functionality of computer ports.

Question 10

What does a tone probe test? 2.2.1.5

Answer 10

is a two-part tool. The toner part is connected to a cable at one end using specific adapters, such as an RJ-45, coaxial, or metal clips. The toner generates a tone that travels the length of the cable.

Question 11

What is an FDISK? 2.2.2.1

Answer 11

Creates and deletes partitions on a hard drive. The FDISK tool is not available in Windows XP, Vista, or 7. It has been replaced with the Disk Management tool.

Question 12

What is Disk Management? 2.2.2.1

Answer 12

Initializes disks, creates partitions, and formats partitions.

Question 13

What is a Scandisk or CHKDSK? 2.2.2.1

Answer 13

Checks the integrity of files and folders on a hard drive by scanning the file system.

Question 14

What is Defrag? 2.2.2.1

Answer 14

Optimizes space on a hard drive to allow faster access to programs and data.

Question 15

What is Disk Cleanup? 2.2.2.1

Answer 15

Clears space on a hard drive by searching for files that can be safely deleted.

Question 16

What is System File Checker (SFC)? 2.2.2.1

Answer 16

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

Question 17

What must the technician do when completing repair on the computer? 2.2.2.1

Answer 17

A technician must document all repairs and computer problems.

Question 18

What is Windows action Centre? 2.2.2.2

Answer 18

Checks the status of essential security settings. The Action Center continuously checks to make sure that the software firewall and antivirus programs are running

Question 19

What must a technician do after completing repairs to a computer? 2.2.3.1

Answer 19

A technician must document all repairs and computer problems. The documentation can then be used as a reference for future problems or for other technicians