Question

what is binary number system and in which computers and a mainframe​

Answer 1

Answer:

the digits 0 and 1 - to store data. A binary digit, or bit , is the smallest unit of data in computing. It is represented by a 0 or a 1. Binary numbers are made up of binary digits (bits), eg the binary number 1001.

Explanation:

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Answer 2

Answer:

Binary number system is a computer language number system that uses two letters two represent information: 0 and 1. Since it has two letters only, it has a base of two. Most computers use this system to store information.