Question

which of the following form - factors does not have expansion slots on the motherboard, but instead uses a riser card for expansion cards?
nlx
btx
atx
micro - atx

Explanation:

NLX form - factor uses a riser card for expansion cards instead of having expansion slots on the motherboard. BTX, ATX, and Micro - ATX have expansion slots on the motherboard.

Answer:

NLX