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# Monthly Archives: November 2018

## Logic Gates

In digital circuits, Boolean operations are performed by logic gates. Basically logic gates are basic circuits that have one or more input and exactly only one output. Input and output values are logical values in the form of 0 (FALSE) … Continue reading

Posted in Computer Organization
Tagged AND gate, logic gates, NAND gate, NOR gate, NOT gate, OR gate, XNOR gate, XOR gate
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## Boolean Algebra

Last updated on November 19th, 2018Boolean algebra is a set of rules for manipulation of binary number system. These rules are developed by an English mathematician George Boole in 19th century. The binary number system is based upon truth values … Continue reading

## Digital representation of sound in multimedia

The sound is a mechanical wave that’s an oscillation of pressure transmitted through a solid, liquid, or gas. The perception of sound in any organism is restricted to a particular range of frequencies (20Hz~20000Hz for humans). Continue reading

## Computer Virus: Types & Classification

Last updated on November 12th, 2018What is a computer virus? A computer virus is a malicious program bug that self-replicates by repeating itself to a different program. In different words, a computer virus spreads by itself into different executable code … Continue reading

## What is meant by Digital Signal Processors?

Last updated on November 12th, 2018Digital Signal Processor: Digital Signal Processor (DSP) process everyday signals like voice, audio, video, temperature, pressure, or position that is digitized then arithmetically influence them. A DSP is meant for performing mathematical functions like “addition, … Continue reading