The main parts of a Web address (Uniform Resource Locater) are marked as A, B and C in the following example:

What do A, B and C stand for?

Microwave, Infrared wave and Radio wave are examples of ………………………………………………
Which of the following terms is suitable to fill the blank in the above statement?

Which of the following can be considered as examples for data communication?
A – Communication between two computers over a local area network (LAN)
B – Communication over the Internet.
C – Sending a text message (SMS) using a mobile phone

A truth table and its corresponding logic circuit are given below.

What are the values of   and in the truth table respectively?