Across
- 1. a signal to or from a computer encoded as 1(on) or 0(off)
- 4. a sound or action used to give information
- 5. an electric signal whose value changes between two values
- 6. an unavoidable modification of an analog signal that changes the original information
Down
- 2. a representation of the information that is communicated
- 3. an unavoidable modification of a digital signal