Select the correct statement(s) regarding the difference between analog and digital signals. a. analog signals are used more extensively in modern computer systems compared to digital signals b. digital signals are represented by logical and discrete values (i.e., “0” and “1”) and therefore logical bits must be grouped together to represent symbols c. digital signals are more accurate than analog signals; this is why digital music sounds much better d. analog networks easily fit into the OSI Reference Model

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