- A Formal grammar is a set of rules for rewriting strings.
- Loop and switch scanners are called ad hoc scanners.
- Data encoding techniques commonly used in digitizing voice.
- In Fortran I variables can be up to five characters long and must begin with a letter.
- Digital data takes discrete values.
- Analog data takes continuous values.
- AM - Amplitude Modulation.
- FM - Frequency Modulation.
- PM - Phase Modulation.
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