Modulation shifts a digital signal into a frequency range suitable for transmission.
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While copper and fiber are standard, "new" content includes: Modulation shifts a digital signal into a frequency
Example: A standard telephone call or modern high-speed internet connections. 4. Transmission Media: Guided and Unguided Modulation shifts a digital signal into a frequency
: Use the chapter-end summaries to quickly revise core definitions and formulas right before your exams.
Translates, encrypts, and compresses data.
Adds a single extra bit (parity bit) to a data unit to make the total number of 1s either even or odd. It can only detect single-bit errors.