Briefly define a design working assembly drawing.
What will be an ideal response?
Design working assembly drawings combine the functions of a detail drawing and an assembly drawing.
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The accompanying figure shows basic stair parts. What is feature 2?
A. Landing B. Riser C. Stringer D. Tread
The lifetime of a certain component, in years, has probability density function
Two such components, whose lifetimes are independent, are available. As soon as the first component fails, it is replaced with the second component. Let X denote the lifetime of the first component, and let Y denote the lifetime of the second component.
a. Find the joint probability density function of X and Y.
b. Find P(X < 1 and Y > 1).
c. Find 
.
d. Find 
.
e. Find P(X+Y ? 2).
Delay causes the user to experience
A) dropped calls B) choppiness C) talk over D) all of the above
The 74LS85 is
A) a 4-bit magnitude comparator. B) a full-adder. C) a half-adder. D) a 4-bit adder.