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.
BOTH TECHNICIAN A AND B ARE CORRECT.
Coolants are installed in vehicles to prevent overheating. When new, the coolants are usually basic in nature, that is, they have pH above 7 but with time the pH decreases. Also, OAT and HOAT coolant have pH values which is lower than that of old green IAT coolant when newly bought.
The answer is:
Having been taught to cook by her grandmother, she found most recipes easy to follow.
Dangling modifiers are words or phrases wrongly placed or separated from the word they modify. As a result, the meaning of the statement makes no sense, is confusing or ambiguous.
Siegfried Sasson illustrates the dramatic transformation most soldiers went through after experiencing World War 1. Englishmen like Sasson initially thought themselves as involved in a heroic effort to defend liberalism and the British a hellish and pointless nightmare. Intellectuals like Paul Valery were also disillusioned by the war, and many feared that the West and its liberal values would not long survive. In the essay below, he makes allusion to the scene in which Hamlet ponders mortality while studying the skull that is all that remains of a man he had known in life.
