Basics 5 min read
What is a Modem?
Modem is abbreviation for Modulator – De-modulator. Modems are used for data transfer from one computer network to another computer network through telephone lines. The…
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Basics 2 min read
Quadrature Phase Shift Keying
The Quadrature Phase Shift Keying QPSKQPSK is a variation of BPSK, and it is also a Double Side Band Suppressed Carrier DSBSCDSBSC modulation scheme, which…
Basics 2 min read
Phase Shift Keying
Phase Shift Keying PSKPSK is the digital modulation technique in which the phase of the carrier signal is changed by varying the…
Basics 3 min read
Frequency Shift Keying
Frequency Shift Keying FSKFSK is the digital modulation technique in which the frequency of the carrier signal varies according to the digital…
Basics 2 min read
Amplitude Shift Keying
Amplitude Shift Keying ASKASK is a type of Amplitude Modulation which represents the binary data in the form of variations in the…
Basics 2 min read
What is parallel transmission?
When data is sent using parallel data transmission, multiple data bits are transmitted over multiple channels at the same time. This means that…
Basics 2 min read
What is serial transmission?
When data is sent or received using serial data transmission, the data bits are organized in a specific order, since they can only…
Basics 4 min read
Quantization
The digitization of analog signals involves the rounding off of the values which are approximately equal to the analog values.…
Basics 2 min read
propagation delay
1) Propagation delay, symbolized tpd, is the time required for a digital signal to travel from the input(s) of a logic gate to…
Basics 1 min read
Circuit Rank
Let ‘G’ be a connected graph with ‘n’ vertices and ‘m’ edges. A spanning tree ‘T’ of G contains (n-1)…
Basics 2 min read
Difference Between Analog and Digital Signal
Here are important differences between Analog and Digital Signal: Analog Digital An analog signal is a continuous signal that represents…
