Binary 101 Gads Hill School. Aim To strengthen understanding of how computers use the binary number system to store information.

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Presentation transcript:

Binary 101 Gads Hill School

Aim To strengthen understanding of how computers use the binary number system to store information.

What is binary? Binary is a code It uses only 2 digits – 0 and 1 Any number can be written in binary e.g. 12 = 1100 Every character on the keyboard has a code called the ASCII code Example – the code for an A is 65 This 65 will be stored in binary as The code for a character is stored as 8 bits We call this a byte.

Switches The computer is made up of a vast number of switches: A switch can either be on or off The binary 1 represents a switch which is on The binary 0 represents a switch which is off

Binary or base two UnitsDenary Number pattern… The numbers are doubling as we move from right to left…

Binary Model using You!

3 volunteers please!