One technique for troubleshooting computer problems is to replace ...

[armygirl]

One technique for troubleshooting computer problems is to replace a suspected faulty component with one
  that is known to be working.
 
  Indicate whether the statement is true or false

Question 2

Multiple-channel communication is
 
  a. a combination of multiple media using one device
  b. a combination of multiple media using multiple devices
  c. media delivered on multiple TV channels.
  d. two types of information, pictorial and verbal.

[strudel15]

Answer to Question 1

T

Answer to Question 2

A