What are the steps in laser printing and how are expansion cards connected?

The first question is incomplete in the image. It appears to be asking about preventing static discharge, but the full question is not visible.

a) Which step involves applying toner to the drum?
The correct option is B.
In the laser printing process, developing is the step where toner is attracted to the areas of the photosensitive drum that have been exposed to the laser, forming the latent image.

b) Expansion cards are connected through:
The correct option is B.
Expansion slots (such as PCIe or PCI) on a motherboard are specifically designed to connect expansion cards, like graphics cards, sound cards, or network cards, to the computer system.