PCM: Pulse code modulation. It is a method used to digitally represent sampled analog signals. It is the standard form of digital audio in computers, digital telephony and compact discs. The amplitude of this signal is sampled regularly at uniform intervals.
PAM: Pulse amplitude modulation. It is a form of signal modulation where the message information is encoded in the amplitude of a series of signal pulses.
Answer:
1. Simple
2. Compound
3. Simple
4. Complex
5. Compound
Explanation:
2. contains "and"
4. contains a subordinate clause
5. contains a semicolon
Answer: option A is the correctly punctuated sentence.
Explanation: “which are the most common type” is a non-restrictive modifying clause. A nonrestrictive modifying clause is a phrase that adds nonessential information to the sentence without altering its meaning, and, therefore, should be in a set of commas.
