DATA REPRESENTATION

OKAY,NOW WE KNOW COMPUTER OPERATION....BUT WE STILL DON'T KNOW HOW..ISN'T??

HOW THE COMPUTER OPERATE??

-THEY OPERATE BY REPRESENTING DATA THAT ELECTRONICALLY BY USING 2 BINARY DIGIT  1 (ON) AND 0 (OFF)

WHAT IS BINARY NUMBER??

-  number system that have 2 unique digit (1)(0)

WHY??

-to represent electronic status of bits in memory.

-also used for other purpose: addressing memory location

WHAT IS HEXADECIMAL NUMBER??

- number system that uses 16 different symbols (1,2,3,4,5,6,7,8,9,A,B,C,D,E,F)

WHY??

-shorthand method/ representing binary digit stored in computer

- its not gonna be misread by people as it represent by other symbols (C9A1 )

OKAY..NOW WE'RE CLEAR WITH NUMBERING SYSTEM..

NEXT,I TEACH ON HOW TO CONVERT THESE NUMBERING SYSTEM..

DECIMAL-BINARY

* divide by 2, find the remainder

BINARY- DECIMAL

*  place value method

DECIMAL-HEXADECIMAL

* divide by 16, find remainders

HEXADECIMAL- DECIMAL

*place value method

BINARY- HEXADECIMAL

* convert to binary-decimal

*convert decimal-hexadecimal

HEXADECIMAL-BINARY

* place value method