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Looks like you're confused with basic definition of Analog and Digital signal. When you say digital it means it can only have two levels either 0 or 1. where zero is represented by 0V and 1 represented by 5V in TTL. So Digital signal does not understand any other voltage levels other than 0 or 1. Where as when we say Analog, Its just a signal with a voltage level, which can be either +ve or -ve or... Read Compelte post

Other Tags: signal theory signal and system analog signal representation digital signal digital signal representation signal time function

Posted by ajay_bhargav on Mon Oct 21 2013, 03:35 pm

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