Consider a system with a microprocessor (point 1 ) whose data bus connects (point 2 ) to an input/output device (point 3). At which point is a three-state buffer required?

A) point 1 B) points 1 and 2 C) point 2 D) point 3


A

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A transmission heat exchanger has failed. Technician A says that if the engine is running, oil will flow from the transmission to the radiator. Technician B says that when the engine is off, coolant will flow into the transmission. Who is right?

A. ?Technician A only B. ?Technician B only C. ?Both A and B D. ?Neither A nor B

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If no grain is fed during the cow’s dry period, begin feeding _____ pounds during the last 2 weeks

before calving and then slowly increase the amount each day.

a. 2 c. 4 b. 3 d. 5

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Non-servo robots are programmed in either PLC ladder logic or the IEC 61131 sequential function chart language

Indicate whether the statement is true or false

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The views that show what an object’s projection looks like when seen from the top, the front, and the side are known as

a. isometric views. b. orthographic views. c. standard views. d. normal views.

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