7th class lesson no.1 Number System, What does a bit stands for?

7th class lesson no.1 Number System 

Qno.1. What does a bit stands for? 

Ans. A bit (short form of "binary digit") is the smallest unit of measurement used to quantify computer data. It contains a single binary value of 0 or 1. 

Qno.2. Briefly explain the Octal number system. 

Ans. Write down from given below :