Tue February 14, 2012 By: Prashant Shekhar

analog and digital signals

Expert Reply
Tue February 14, 2012
All sinusoidal singals ( sin and cos) are analog signals. Means analog signals can have different values. Digital signals can have only two values one low ( say 0 )and one high (say 1). Digital signals are used in binary system in computers.
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