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Boolean Algebra of Computer

  • Boolean Algebra of Computer                           In Boolean algebra, all problems can be solved by reducing them......More

XOR (Exclusive OR) Gate of Computer

  • XOR (Exclusive OR) Gate of Computer For such gates, OUTPUT is 1 if either of the inputs (but not both) is 1. In other words, it has an output 1 when its inputs are not identical and output is 0 only, when inputs are the same. The circuit with......More

The AND Gate of Computer

  • The AND Gate of Computer The AND gate produces an output only when all its inputs are existent. The AND gate has a 1 output when both A and Bare 1. Hence, this gate is an all or nothing gate whose output occurs only when all its inputs are......More

The NOT Gate of Computer

  • The NOT Gate of Computer   In a NOT gate, the output is not the same as its input. It is also called inverter because it inverts the input signal, i.e. if it is zero, output is 1. In schematic representation, a small circle is used......More

The NOR and the NAND Gates of Computer

  • The NOR and the NAND Gates of Computer The NOR gate is an Inverted-OR gate, i.e. an OR- gate followed by a NOT circuit. The circuit representation of a NOR gate is given in (a). The truth-table is given below. The readers would have noticed......More

Mathematical Operations with the Aid of Gates of Computer

  • Mathematical Operations with the Aid of Gates of Computer The logic functions OR, XOR and AND can be used to perform mathematical operations. These functions are performed by the arithmetic and logic unit (ALU) of the computer in a central......More

Simulation of Digits by Electronic Pulses of Computer

  • Simulation of Digits by Electronic Pulses of Computer We shall see how electric pulses can be imposed on the gate with the help of an example. Two electrical signals represented by A = 101101 and B = 110101 are applied to a 2-digit AND......More

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