What is one disadvantage of an R-S flip-flop?
A) It has no CLOCK input. B) It has no Enable input.
C) It has only a single output. D) It has an invalid input state.
D
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The number of users that were logged into an Internet server was monitored every minute, over a period of 100 minutes. Here are the results:
 FIGURE 1.png)
(a) Group these measurements into 10 equal classes, (81–95, 96–110, etc.) and construct a frequency distribution table for the data. (b) Draw a histogram of the distribution. (c) Find the mean number of users during the sample period. (d) Using the histogram, estimate the probability of 141–165 users being logged in at any given time.
A pressure-reducing valve for a residential application is typically set at the factory for _____.
a. 12 psi b. 22 psi c. 30 psi d. 45 psi
IPM practices are only important to use for field crops, not greenhouse crops
Indicate whether the statement is true or false
President Roosevelt's promise to the Soviets to open a second front in Western Europe by the end of 1942
A. was fulfilled by the invasion of North Africa. B. was made to deceive Stalin and encourage him to slow his army's movement into Eastern Europe. C. was strongly supported by Churchill and British military leaders. D. proved utterly impossible to keep. E. represented the key goal to which all early American military efforts were directed.