GLOSSARY TERMS
1. BCD- Binary
Coded Decimal- Ways to encode the first 10 symbols of the decimal number
system.
2.
Excess-3 code-
Excess-3 is a non weighted code used to express decimal numbers. The code
derives its name from the fact that each binary code is the
corresponding 8421 code plus 0011(3).
3. Gray code-
Unit-Distance Codes- Only one bit changes between successive values.
4.
Boolean algebra- Boolean
algebra is an algebraic structure defined by a set of elements B, together with
two
binary operators. ‘+’-‘and. ‘
5. Minterm -A
minterm is the product of N distinct literals where each literal occurs exactly
once.
6. Maxterm-A
maxterm is the sum of N distinct literals where each literal occurs exactly
once.
7.
Logic gate- Logic gates are the
basic elements that make up a digital system. The electronic gate is a circuit
that is able to operate on a number of binary inputs in order to perform a
particular logical function.
8.
Universal gates -Universal
gates are the ones which can be used for implementing any gate like AND,
OR and NOT, or any combination of these basic gates; NAND and NOR gates are
universal gates.
9.
Kamaugh map- K-maps are the
convenient tool for representing switching functions of up to six variables.
An n-variable K-map has 2n cells with each cell corresponding to a row of an
n-variable truth.
10. 1’s complement-The 1’s complement of a binary number is the number that results when we all 1’s to zeros and the zeros to ones.
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