The ____ command displays the amount of free and used memory in the system.
A. mem
B. stat
C. memstat
D. free
Answer: D
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Permanent magnet synchronous motors are AC motors that eliminate the slip characteristic of ____ motors.
a. large b. stepper c. small d. induction
The Cooks live in an old plantation house. The upkeep on the house is approximately $1,800.00 per year. The heating and cooling costs approximately $2,500.00 per year. The Cooks then build a new house that costs $185,000. They are able to pay 35 percent down and obtain a loan on the balance at 5.5 percent. They are able to arrange to pay off the principal in equal annual payments over 30 years, and the interest is paid annually on the remaining balance. The heating and cooling will be cut by 78 percent and the upkeep by 92 percent. How does the saving in upkeep, heating, and cooling compare to the interest paid the sixth year?
What will be an ideal response?
Assume an alternative has a 3-year life and that you calculated its AW value over its 3-year life cycle. If you were asked to provide the AW value of the alternative for a 4-year study period, is the AW value you calculated for the alternative’s 3-year life cycle a valid estimate of the AW over the 4-year study period? Why or why not?
What will be an ideal response?
The fifth step in using a Karnaugh map is to ____.
A. plot the logic functions by placing a "1" in each square representing a term B. obtain the simplified logic function by looping adjacent groups of 1s in groups of eight, four, or two C. "OR" the loops with one term per loop D. write the simplified expression