EVALUATION

The unit closes with a three-part end-of-chapter Evaluation. Part I is five Multiple Choice Questions, each with four options and the book's own printed answer key, covering the output transducer, where noise affects a signal, the definition of frequency modulation, the standard FM frequency deviation, and the frequency range used for sky wave propagation. Part II is five Short Answer questions covering transmission-impairment factors, the distinction between wireline and wireless communication, centre/resting frequency in FM, what RADAR stands for, and the Internet of Things. Part III is seven Long Answer questions covering modulation and its types, the elements of a communication system, the three modes of electromagnetic-wave propagation, GPS and its applications, ICT applications in mining and agriculture, how modulat …