ITE Chapter 3 Exam

(Fill in the blank):

________ refers to the technique of increasing the speed of a processor from the specified value of its manufacturer?

• hyperthreading

• throttling

• overclocking

• underclocking

• multitasking

Which device protects against brownouts, blackouts, and power surges by continually providing power?

• UPS

• FedEx

• DHL

• BPS

• SPS

Which device allows computer systems to run when there is a blackout by providing switched power?

• UPS

• FedEx

• DHL

• BPS

• SPS

A technician has just finished assembling a new computer. When the computer is powered up for the first time, the POST discovers a problem. How does the POST indicate the error?

• • It places an error message in the BIOS.

• The LED on the front of the computer case flashes a number of times.

• It issues a number of short beeps.

• • It locks the keyboard.

• It ejects the DVD drive a certain number of times.

A laptop power supply is no longer working. Looking at the specifications of the defective power supply, you see that it supplies 19.2V and 5A. How many watts are needed to match the defective power supply?

• 45W

• 60W

• 100W

• 200W

• 1.92KW

Electrical resistance is measured in which unit?

• kawatts

• ooms

• ohms

• bits

• bytes

Electrical voltage is measured in which unit?

• ounces

• volts

• power

• inductance

• hertz

Electrical current is measured in which unit?

• amperes

• hertz

• QAM

• inductance

• ions

Select the RAID level that provides data redundancy and fault tolerance:

• 1

• 0

• 5

• 9

• Z

Select the RAID level that provide performance increase but no data protection:

• 1

• 10

• 5

• 0

• -1