B.Sc(HONS) IN CSE PART-II, FOURTH SEMESTER EXAMINATION,2008 CSE-226 (Data Communication) Examination Code: 614 Time--- 3 hou...

Frequency: The frequency is the rate at which the signal repeats. It is measured in Hertz (Hz). Spectrum: The spectrum of a s...

Cyclic Redundancy Check (CRC): CRC is a different approach to detect if the received frame contains valid data. This technique involv...

Pulse Code Modulation (PCM): Pulse Code Modulation (PCM) is based on the sampling theorem, which states: “If a signal f(t) is sam...