Hyper-threading (HT) is related to-

Hyper-Threading (HT) is a technology that allows a single processor to run multiple threads at the same time. This can improve the performance of some applications by allowing them to use more of the processor’s resources. HT is implemented in the processor itself, so the correct answer is A.

RAM is random access memory, which is used to store data that the processor needs to access quickly. It is not directly related to HT.

The motherboard is the main circuit board in a computer, and it connects all of the other components together. It is not directly related to HT.

The hard disk is a storage device that stores data permanently. It is not directly related to HT.