ASCII & Gray Codes.

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Presentation transcript:

ASCII & Gray Codes

ASCII Table

Gray Codes Not an arithmetic code Exhibits only a single change from one code word to the next in sequence Need to know : Conversion binary  gray code Conversion gray code  binary

Binary  Gray Codes 1 0 1 1 0 1 1 1 0 1 Gray Codes + + + + Convert binary number 10110 to gray code. 1 0 1 1 0 1 1 1 0 1 Gray Codes + + + +

Binary  Gray Codes 1 1 1 1 1 1 0 0 0 0 Gray Codes + + + + Convert binary number 11111 to gray code. 1 1 1 1 1 1 0 0 0 0 Gray Codes + + + +

Gray Codes  Binary 1 0 1 1 0 1 1 0 1 1 Binary + + + + Convert gray code 10110 to binary. 1 0 1 1 0 1 1 0 1 1 Binary + + + +

Gray Codes  Binary 1 1 0 1 1 1 0 0 1 0 Binary + + + + Convert gray code 11011 to binary. 1 1 0 1 1 1 0 0 1 0 Binary + + + +