The period of third generation was from 1965-1971. The computers of third generation used Integrated Circuits (ICs) in place of transistors.

A router is a networking device that forwards data packets between computer networks

A router is a networking device that forwards data packets between computer networks

Binary number is a number expressed in the base-2 numeral system or binary numeral system, a method of mathematical expression which uses only two symbols: typically "0"  and "1".

Computer is an electronic device for storing and processing data, typically in binary form, according to instructions given to it in a variable program.