Binary man

Binary man

How can binary computer systems use text data?

Each keyboard character has its own unique 8 bit ASCII code. When a user types a letter on the keyboard the 1s and 0s of its ASCII code enter the computer and are made available on the data bus to be processed by the CPU or saved into RAM.

Hexadecimal system is explained as a shorthand for binary. Hexadecimal is a complete number system – mathematically this is base 16 just like binary which is base 2.

  • Part 1 - ASCII Code

    Running time: 02:17

  • Part 2 - Hexadecimal

    Running time: 03:21

  • Lesson Plan

    PDF

  • Worksheet

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  • Answer Sheet

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  • ASCII Challenge

    PDF

  • ASCII Challenge Answers

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  • ASCII and Hex