0100 0010 0110 1001 0110 1110 0110 0001 0111 0010 0111 1001 0010 0000 0100 0011 0110 1111 0110 0100 0110 0101 Binary Code.

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Presentation transcript:

0100 0010 0110 1001 0110 1110 0110 0001 0111 0010 0111 1001 0010 0000 0100 0011 0110 1111 0110 0100 0110 0101 Binary Code

What is Binary Code? Code used to express digital information that computers process Consists of only 2 symbols 0’s & 1’s

What is Binary Code? The 2 digits express the flow of electricity through transistors (or switches) Computers are made up of millions of electronic switches

What is Binary Code? Switch can be either OFF or ON 0 = OFF 1 = ON

What is Binary Code? Binary Digit  BIT Each digit, a 1 or 0, is called a BIT 8 bits are called a BYTE 1 gigabyte ≈ 1 billion bytes ≈ 8 billion bits http://youtu.be/ry1hpm1GXVI

Examples of 8-bit Binary Numbers 01000010 01101111 01101001 01100100 01101110 0110 0101 01100001 01110010 01111001 00100000 01000011

Practice 57 = _ _ _ _ _ _ _ _ 32 = _ _ _ _ _ _ _ _

Practice ________ = 0110 1111 ________ = 00010010

ASCII American Standard Code for Information Interchange Alphabet in Binary ASCII is an 8-bit code

Practice ASCII Code Sheet Handout Use what you’ve learned about Binary Numbers to complete the ASCII worksheet. http://educate.intel.com/en/TheJourneyInside/ExploreTheCurriculum/EC_DigitalInformation/DILesson6/