ITSA Chapter 6 Review

Which of the following factors should one consider when preparing the work area? (select all that apply)

• environmental conditions

• optimal location

• comfort issues

• interference issues

• reliable power

Proper _______________ such as temperature, humidity, airborne particles, heating, ventilation and air conditioning can help computer systems last longer.

• reliable power

• environmental conditions

• optimal location

• comfort issues

The ideal room for a computer should be between 50 and 75 degrees Fahrenheit.

• True

• False

Why is it not recommended to use a lower cabinet with doors to hide the computer case?

• it causes poor airflow

• it adds to the humidity

• it increases electrostatic discharge

• it creates condensation

What do you call the study of how humans and equipment interact?

• peripherals

• grounding

• humidity

• ergonomics

__________ is a measurement of the strength of the electrical current.

• Electromagnetic interference

• Amperage

• Voltage

• Electrostatic discharge

__________ occurs when a cable runs too close to something that generates a strong electromagnetic field.

• Electromagnetic interference (EMI)

• Amperage

• Voltage

• Electrostatic discharge (ESD)

ESD-resistant cables can be used to reduce the risk of EMI from fluorescent lighting.

• True

• False

In the U.S., standard alternating current (AC) is between 110 and 120 volts. Most of the world uses between 220 and 240 volts.

• True

• False

A surge suppressor helps protect against a ________.

• joule

• spike

• power sag

• power conditioner