Why are body temperatures so variable in alpacas and llamas?
What will be an ideal response?
Body temperatures fluctuate due to environmental temperatures and activities at the time. This prevents over heating, and maintains core body temperature in extreme cold or hot weather.
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The duty cycle is the percentage of time a welding machine can be used ____.
A. to work safely B. to tack weld C. on steel D. continuously
What are renewable resources?
What will be an ideal response?
Parallel buses may tranmit data more slowly than serial buses because ________
A) parallel interfaces are more complex and so must operateat lower clock frequencies than serial interfaces B) the processor must first buffer the data bits before it can transfer them in parallel C) factors like crosstalk, EMI, and timing skew can limit the bus speed as data rates increase D) All of the above
The subsequent problems deal with the following gray code to binary code conversion equations where the subscript 3 represents the MSB:B3 = G3B2 = B3 ? G2B1 = B2 ? G1B0 = B1 ? G0What binary code would correspond to the gray code 1110?
A. 0101 B. 1011 C. 1100 D. 1111 E. 0111