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Category Archives: Digital Electronics & Logic Design

Prerequisite – Number System and base conversions, BCD(8421) In Binary Coded Decimal (BCD) encoding scheme each of the decimal numbers(0-9) is represented by its equivalent… Read More
Prerequisite – Introduction of Sequential Circuits  Sequential circuits are those which use previous and current input variables by storing their information and placing them back… Read More
Broadband systems use modulation techniques to reduce the effect of noise in the environment. Broadband transmission employs multiple channel unidirectional transmission using a combination of… Read More
A computer network is designed to send information from one point to another. Data that we send can either be digital or analog. Also, signals… Read More
Conversion of Digital Data to Digital Signal involves three techniques: Line Coding Block Coding Scrambling Out of which Line coding is always needed, block coding… Read More
Analog Signal: An analog signal is any continuous signal for which the time varying feature of the signal is a representation of some other time… Read More
Data as well as signals that represents data can either be digital or analog. Line coding is the process of converting digital data to digital… Read More
Digital Signal: A digital signal is a signal that represents data as a sequence of discrete values; at any given time it can only take… Read More
Flip flops can be used to store a single bit of binary data (1or 0). However, in order to store multiple bits of data, we… Read More
A magnitude digital Comparator is a combinational circuit that compares two digital or binary numbers in order to find out whether one binary number is… Read More
Prerequisite – Full adder, Full Subtractor Parallel Adder – A single full adder performs the addition of two one bit numbers and an input carry.… Read More
Prerequisite – Flip-flop types and their Conversion Race Around Condition In JK Flip-flop – For J-K flip-flop, if J=K=1, and if clk=1 for a long… Read More
In communication system, analog signals travel through transmission media, which tends to deteriorate the quality of analog signal, which means that the signal at the… Read More
The adder produce carry propagation delay while performing other arithmetic operations like multiplication and divisions as it uses several additions or subtraction steps. This is… Read More
A set of operations is said to be functionally complete or universal if and only if every switching function can be expressed by means of… Read More

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