Question Discussion & Solution

ASCII to Extended ASCII characters (8-bit system) and ANSI Code: In the 1960s, a need for standardization led to ASCII, which is a 7-bit system. But later almost everything was done in an 8-bit system. With 7 bits, 128 numbers (0-127 in decimal notation) are available to code characters. A bit is a binary digit which can have either two values, on or off. Seven bits can have 2^7 or 128 possible unique values. ASCII was soon expanded to an 8-bit system that has 256 code points, 0-255 (8-bit corresponds to 2 ^ 8 ie. 256 possibilities). There are many variants of Extended ASCII characters (8-bit system) to cover regional characters and symbols. One example is the extended ASCII characters which includes various letters needed for writing languages of Western Europe and certain special characters. Source : wikipedia.org

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The ASCII code for the character J is 074. Letter ASCII Code Binary A 065 01000001 B 066 01000010 C 067 01000011 D 068 01000100 E 069 01000101 F 070 01000110 G 071 01000111 H 072 01001000 I 073 01001001 J 074 01001010 K 075 01001011 L 076 01001100 M 077 01001101 N 078 01001110 O 079 01001111 P 080 01010000 Q 081 01010001 R 082 01010010 S 083 01010011 T 084 01010100 U 085 01010101 V 086 01010110 W 087 01010111 X 088 01011000 Y 089 01011001 Z 090 01011010

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