Answer:
(a) scope: function, lifetime: duration of the function
(b) scope: function, lifetime: duration of the program
(c) scope: global (all modules), lifetime: duration of the program
(d) scope: module (file), lifetime: duration of the program
A check box is a user-interface (UI) component with two states; checked and unchecked.
You would use a line graph because, line graphs show you the slope. The slope represents a change in data.
Consumer report would help determine the best technology to buy.
I think the First reason is; it provides the best way of business communication.
Second reason, streamline communication
Third reason cost effective resource sharing :) (hope this helps)