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Compare Analog instrument with Digital Instrument

written 3.5 years ago by teamques10 ★ 67k

modified 2.9 years ago by Krishna_Agrawal • 2.7k

digital forensics

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written 3.5 years ago by teamques10 ★ 67k

Compare Analog instrument with Digital Instrument:

Analog instrument	Digital Instrument
In analog instruments, physical variable of interest is in the form of continuous or stepless variations.	In digital instruments, physical variables are represented by digital quantities.
The output varies in continuous fashion as quantity is measured, having infinite values in a given range.	The output varies in discrete step and thus give finite values in a given range.
Examples are speedometer of automobile, fuel gauge, voltmeter, ammeter, wrist watch, thermometer etc.	Examples are odometers, digital ammeter and voltmeters.
The information form is as the position of pointer on dial / scale.	The information form is as a number.
The best possible accuracy is 0.25%.	The best possible accuracy is +0.005% or better
Moving parts are involved in analog instrument.	There are no moving parts in digital instrument.
The construction is simple, direct reading type and can perform under unfavourable conditions.	The construction involves electronics, proper environmental conditions are required.
It does not require auxiliary power.	It requires auxiliary source of power.

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