Which of the following is the most-polluting energy source?

A : oil

B : natural gas

C : biomass

D : coal

Which of the following electromagnetic waves are not used for communication? a. gamma rays b. microwaves c. infrared waves d. radio waves

What is 1gb in bits?

Jeff decides that he would pay as much as $3,000 for a new laptop computer. He buys the computer and realizes consumer surplus of $700. How much did Jeff pay for his computer? a. $700 b. $2,300 c. $3,000 d. $3,700

Judy forgot where she saved a certain file on her computer. Therefor, she searches for all files with a jpg file extension. Which type of file is she searching for?

When considering the signal-to-noise ratio (SNR), thermal and intermodulation (IM) noise, as well as cochannel interference (CCI) are included as part of the noise floor. True False

Which custom configuration is most likely to include a raid array?

Which describes an operating system this is multitasking

With consideration to Ethernet, why is it necessary to have a common language for communication across devices.

In Windows Vista, the Run command can be found in which application?

Data for which there is temporarily no room in RAM is diverted to where on your computer? A. The paging file on the hard drive B. The system file on the hard drive C. The memory file on the hard drive D. The CPU cache