Which of the following statements about a riser card is true?

A.
It is used to connect a computer in a network.

B.
It is used to connect extra microprocessors.

C.
It provides extra memory for expansion cards.

D.
It is used to extend slots for expansion cards.

Explanation:

Riser card is a circuit board that is used to extend slots for expansion cards and provides the ability
to connect additional expansion cards to the computer. These cards are used with LPX
motherboards. With the introduction of ATX motherboards, riser cards are rarely used. In ATX
motherboards, the expansion cards connect directly to the computer motherboard instead of using
riser cards.
What is LPX?
LPX is a motherboard form or that is used in some desktop computers. In LPX motherboards,
expansion cards are inserted into a riser card that contains several slots. Unlike other common form
ors such as AT and ATX, the expansion cards in LPX are not vertical, but parallel to the motherboard.
The LPX form or is designed for smaller cases, and usually it is used for connecting two or three
expansion cards.