OVERVIEW OF NUMBER BASES
CONTENT
- Review of number bases
- Conversion in Number bases
- Basic Arithmetic in number bases
Review of Number Bases
Most computer systems operates using binary logic. The binary number system works like the decimal number system except that the binary number systems uses base 2, and its digits are 0 and 1 while decimal system uses base 10 and its digits are from 0 – 9.
The common number systems used in computing are:
(i) Base 10 known as Decimal Number System
(ii) Base 2 known as Binary Number System
(iii) Base 8 known as Octal Number System
(iv) Base 16 known as Hexadecimal Number System
Binary Number System
The binary numeral system, or base-2 number system, represents numeric values using two symbols, 0 and 1.
Octal Number System
The octal numeral system is the base 8 number system, and uses the digits 0-7. Numerals can be made from binary numerals by grouping consecutive binary digits into group of three (starting from the right).
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ClassHall Instructor
Wilfred Bassey
Halima Ahmadu
David Oyedepo
Sadiq Barau
Zainab