Frequency, Wavelength and Phase of a signal
Frequency (f) Frequency is defined as the number of cycles completed by the wave in one second i.e., number of
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Analog versus Digital Communications
Analog versus Digital Communications Analog signal is a continuous signal and takes infinite number of amplitude values. Note that ‘Majority
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ANALOG – DIGITAL SIGNALS There are two types of signals analog and digital. All naturally available signals are analog in
Read moreAlgorithm and Flowchart concept
Algorithm An algorithm is defined as sequence of steps to solve a problem (task). The steps must be finite, well
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DATABASE CONCEPTS Records (Rows) Fields (Columns) Tables Files DBMS Columns also known as Fields A record is a group of
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INTRODUCTION TO DATABASE Unknowingly we come across data in our day to day life. The age of a person, the
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