#### Topic Content:

- Number Bases (Summary)
- Frequently Asked Questions

In the number system chart, the base values and the digits of different number systems can be found. Below is the chart of the numeral system.

### Number Bases (Summary)

System: | NumberBase: | Digits: | Remarks: |

Binary | 2 | 0, 1 | • Used in computers 0 = off, 1 = on |

Octal | 8 | 0, 1, 2, 3, 4, 5, 6, 7 | |

Denary or Decimal | 10 | 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 | • Used for everyday counting Base 10 ≡ A |

Duodecimal | 12 | 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B | Base 11 ≡ B |

Hexadecimal | 16 | 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F C≡12, D≡13, E≡14, F≡15 | • It is an extension of base 2 • It is also used in computers |

In general, the greatest digit used in any number base is 1 less than the base number.

### Frequently Asked Questions:

### What is Number System and its Types?

The number system is simply a system to represent or express numbers. There are various types of number systems and the most commonly used ones are decimal number system, binary number system, octal number system, and hexadecimal number system.

### Why is the Number System Important?

Number system helps to represent numbers in a small symbol set. Computers, in general, use binary numbers 0 and 1 to keep the calculations simple and to keep the amount of necessary circuitry less, which results in the least amount of space, energyEnergy is the ability to do work. Energy exists in several forms such as heat, kinetic or mechanical energy, light, potential energy, and electrical energy. Units of Energy: The SI unit... More consumption, and cost.

### What is Base 1 Number System Called?

Base 1 number system is called the unary numeral system and is the simplest numeral system to represent natural numbers.

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