Number Systems

9.

Character and Data Encoding

9.1.

Binary-Coded Decimal (BCD)

9.1.1.

Structure and Format

9.1.2.

Packed vs Unpacked BCD

9.1.3.

Applications in Computing

9.1.4.

Advantages and Limitations

9.2.

9.2.1.

Character Set Structure

9.2.2.

Control Characters

9.2.3.

Printable Characters

9.2.4.

9.3.

Unicode Standards

9.3.1.

Purpose and Development

9.3.2.

Character Coverage

9.3.3.

9.3.3.1.

Variable-Length Structure

9.3.3.2.

Backward Compatibility

9.3.3.3.

9.3.4.

UTF-16 Encoding

9.3.4.1.

Fixed and Variable-Length

9.3.4.2.

Surrogate Pairs

9.3.4.3.

Byte Order Considerations

9.3.5.

UTF-32 Encoding

9.3.5.1.

Fixed-Length Structure

9.3.5.2.

Memory Considerations

9.3.6.

Internationalization Support

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8. Computer Number Representation

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10. Historical and Alternative Number Systems