Which of the following did Harry Nyquist in 1928 first demonstrate mathematically?
A. An analog signal can be reconstructed from periodic samples.
B. Pulses can be time-division multiplexed over a single communication channel.
C. The sample rate must be at least twice the highest frequency of the intelligence or information signal to be sampled.
D. Analog signals are quantized to the closest binary value provided in the digitizing system.
A
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Identify the statement that is false.
A. The triangular trade was enormously profitable and made up most of the colonial commerce. B. A trader would leave New England with a cargo of rum and sail to the Gold Coast of Africa. C. A trader would barter rum with African chiefs for captured African slaves. D. A trader would travel to the West Indies with the African slaves for molasses. E. A trader would travel to New England with the molasses, where it would be distilled into rum.
Which of the following is NOT part of the exhaust system?
A. catalytic converter B. turbocharger C. pyrometer D. charge air cooler
The ability of a soil to absorb exchangeable cations is referred to as ________________________________________
Fill in the blank(s) with correct word
The _____ system may be a good solution for projects with unique requirements
A) traditional contract delivery B) design-build C) construction management delivery (CM) D) engineering-procurement-construction (E-P-C)