Basic Computer Notions Hardware

Next Basic logic gates Basic logic gates (cont'd) Basic logic gates (cont'd) Basic logic gates (cont'd) Basic logic gates (cont'd) Basic logic gates (cont'd) Basic logic gates (cont'd) Basic logic gates (cont'd) Decimal number system Binary number system Decimal addition Decimal addition (cont'd) Decimal addition (cont'd) Decimal addition (cont'd) Binary addition Binary addition (cont'd) Binary addition (cont'd) Binary addition (cont'd) Binary addition (cont'd) Binary addition (cont'd) Decimal addition table Binary addition table Binary addition table (cont'd) Memory and storage devices Memory and storage devices (cont'd) Memory and storage devices (cont'd) Memory and storage devices (cont'd) Memory and storage devices (cont'd) Memory and storage devices (cont'd) Mouse 31 of 39 Analogue vs. digital (cont'd) Analogue vs. digital (cont'd) Analogue vs. digital (cont'd) Analogue vs. digital (cont'd) Analogue vs. digital (cont'd) Digital-to-analogue conversion Analogue-to-digital conversion Analogue-to-digital conversion (cont'd)

Analogue vs. digital

The world is analogue: measurements vary continuously from one value to another as time advances continuously.

Digital computers are discrete: they use a finite precision (number of bits) to represent numbers at specific instants in time.

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