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Binary and Denary Numbers. Time remaining: Today’s date : all of the things that this COULD mean: even if you think that what you are thinking is daft.

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Presentation on theme: "Binary and Denary Numbers. Time remaining: Today’s date : all of the things that this COULD mean: even if you think that what you are thinking is daft."— Presentation transcript:

1 Binary and Denary Numbers

2 Time remaining: Today’s date : all of the things that this COULD mean: even if you think that what you are thinking is daft Tell me…….. 14 th January

3 What could 1 mean? In computing it could mean….. Binary digit (bit) A computer only recognises switches and 1 means that the switch is ‘On’ In Boolean you only have True or False, 1 means ‘True’

4 Key terms Data Binary Denary Nibble Bit Byte Kilobyte Megabyte Gigabyte Terabyte

5 Units of computer data 4 bits=1 nibble 8 bits=1 byte 1024 bytes=1 kilobyte 1024 megabytes=1 gigabyte 1024 gigabytes = 1 terabyte 1024 terabytes= 1 petabyte

6 Denary & Binary Denary Base 10: The number 217: Binary Base 2: The number 217:

7 Converting denary to binary & back again Denary number between 0 – 255: /2 Remainder /2 Remainder /2 Remainder /2 Remainder /2 Remainder /2 Remainder /2 Remainder /2 Remainder

8 Method

9 Have a go Demonstrate your learning: Complete the 2 examples on the learning sheet Challenge (complete on paper): Convert these numbers: Convert to denary:


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