Content text DE - Chapter 1.docx
§ Digital Signals: Signal which has only a finite number of distinct values. § Type of Digital Signals: Type of Digital Signal Number of Distinct values Type of Digital Signal Number of Distinct values Binary 2 Binary 2 Octal 8 Octal 8 Hexadecimal 16 Hexadecimal 16 § Source of Digital Signals: Signals obtained directly from computers, Output of A to D converter. § Advantages of Digital Signals: § Processed and transmitted more efficiently. § Possible to stored data.