This set of Digital Communications Systems Multiple Choice Questions & Answers (MCQs) focuses on “Spread Spectrum”. 1. Spread spectrum can be used to transmita) Analog…
This set of Digital Communications Systems Multiple Choice Questions & Answers (MCQs) focuses on “Stream Encryption Applications”. 1. In which method cipher feedback is used?a)…
This set of Digital Communications Systems Multiple Choice Questions & Answers (MCQs) focuses on “Cipher Systems Secrecy”. 1. The key also contains aa) Plaintextb) Ciphertextc)…
This set of Digital Communications Systems Multiple Choice Questions & Answers (MCQs) focuses on Cellular Systems “. 1. The steps followed in forward channel CDMA…
This set of Digital Communications Systems Multiple Choice Questions & Answers (MCQs) focuses on “Acquisition and Tracking”. 1. Tracking maintains the possible waveform ______ alignment…
This set of Digital Communications Systems Multiple Choice Questions & Answers (MCQs) focuses on “Frequency Hopping”. 1. In direct sequence process which step is performed…
This set of Digital Communications Systems Multiple Choice Questions & Answers (MCQs) focuses on “Pseudo Noise Sequence”. 1. The shift register needs to be controlled…
This set of Digital Communication Problems focuses on “Spread Spectrum “. 1. Spread spectrum is a ______ technique.a) Encodingb) Decodingc) Encoding & Decodingd) None of…
This set of Digital Communication aptitude tests focuses on “Stream Encryption and Commercial Applications”. 1. Which are called as substitution encryption techniques?a) Caesar cipherb) Trithemius…
This set of Digital Communications Multiple Choice Questions & Answers (MCQs) focuses on “Cipher Systems and secrecy of cipher systems”. 1. Cryptosystems are used fora)…