Upgrade Computer Hardware — Unit test Answers

16 verified answers

What hardware temporarily stores information when software is being used?

system bus

ROM

HDMI

RAM

What is the best way for IT professionals to keep employees’ wireless devices secure?

encourage use of WPA by updating to compatible equipment

encourage use of WEP by providing necessary devices

encourage secure passwords by issuing the same password to all employees

encourage use of encryption by offering training to employees

Moore's Law explains that approximately every two years, placing more transistors in an integrated circuit becomes

more popular.

more difficult.

less expensive.

faster.

What is the difference between mode and mean?

Mode and mean are the same.

Mode is the sum of values in a data set and mean is the middle value in the data set.

Mode is the data set’s average and mean is the value that occurs most often in a data set.

Mode is the value that occurs most often in a data set and mean is the data set’s average.

For a Windows laptop, what is the best way to save power when the computer will not be used for an extended period?

sleep the system

turn it off by the power button

use battery power

hibernate the system

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