# EVERYDAY SCIENCE

## SCIENCE

### COMPUTERS ELECTRONICS COMMUNICATION

 Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The number code used by computer is called.
 A Logarithmic B Binary system C Decimal D Mathematical system
Explanation:

Detailed explanation-1: -Binary describes a numbering scheme in which there are only two possible values for each digit–0 or 1–and is the basis for all binary code used in computing systems. These systems use this code to understand operational instructions and user input and to present a relevant output to the user.

Detailed explanation-2: -In computer science and mathematics, binary is a system where numbers and values are expressed 0 or 1. Binary is base-2, meaning that it only uses two digits or bits. For computers, 1 is true or “on", and 0 is false or “off". The concept of binary and bits are based on of Boolean Algebra.

Detailed explanation-3: -This is because computers are built with electronic circuits, each part of which can be either on or off. As there are only two options, they can only represent two different digits, 0 and 1. This is called the binary number system, or base two. ("Bi” means two.)

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