The output of an analog-to-digital converter is
A) a binary number. B) a clock pulse. C) a voltage level. D) any of these
A
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In a typical site-cast reinforced-concrete structure, the cost of formwork and shores is
A) approximately 25% of the combined cost of concrete and steel. B) approximately 50% of the combined cost of concrete and steel. C) approximately 75% of the combined cost of concrete and steel. D) approximately equal to the combined cost of concrete and steel. E) none of the above.
Unlike gravel and sand, whose particles are roughly the same size in all three directions (i.e., equidimensional), clay particles are flat (plate-like or flakes). This particle shape makes clay an unstable soil that swells with the addition of water and shrinks when dry. Explain the cause of this phenomenon.
What will be an ideal response?
E-mail can be used for many types of productive business messages, including _____
A) personal data phishing B) chain letters C) ?personal reprimands D) ads to attract new customers
Several million lottery tickets are sold, and 60% of the tickets are held by women. Five winning tickets will be drawn at random.
a. What is the probability that three or fewer of the winners will be women? b. What is the probability that three of the winners will be of one gender and two of the winners will be of the other gender?