Questions

The human skin is made of 3 layers. They are ::

1) The Epidermis

2) The Dermis

3) The Hypodermis

Epidermis :: 

It is the outermost layer of skin, provides a waterproof barrier and creates our skin tone.

Demis ::

It is beneath the epidermis, contains tough connective tissue, hair follicles, and sweat glands.

Hypodermis ::

It is deeper layer and is made of fat and connective tissue.

EPROM stands for Erasable Programmable Read-only Memory.

It is a programmable read-only memory that can be used for erased and re-used.

A microwave is the fastest communication channel whereas Optical fiber is a way of transferring data not a way of communication.

Time taken for switching from one process to other is pure over head. Because the system does no useful work while switching. So one of the solutions is to go for threading when ever possible.