How does a graphics card the computer’s main cpu?
it provides the wiring that connects the cpu to a monitor.
it converts analog images into digital signals the cpu can use.
it connects the cpu of one computer to a group of other computers.
it takes some load off the cpu, allowing it to work faster.

Two students are discussing electricity that has a frequency of 60 hz. student a says that this type of electricity is referred to as ac. student b says that in this type of electricity, the electrons flow in only one direction. which of the following statements is correct? a. only student a is correct b. only student b is correct c. both of the two students are correct d. neither of the two students is correct