Question 1 (10 points)

What are the four major components of a DFD?

Question 2 (10 points)

What is the difference between "Programming" and "Software Engineering"?

Question 3 (10 points)

Write a brief description of a Data Flow Diagram (DFD).

Question 4 (10 points)

A control Process supervises and coordinates the activities of the other bubbles in the Data Flow Diagram. It is represented graphically as a .......................

Question 5 (10 points)

A Control Flow carries only......................information. It is represented graphically as a dashed line.

Question 6 (10 points)

A double-headed Data Flow represents ................flow of information.

Question 7 (10 points)

The terminator shows the external entities with which the system communicates. The Terminator is graphically represented as a ..............

Question 8 (10 points)

Give an example of the use of the "[]" notation.

Question 9 (10 points)

Give an example of the use of the iteration "{}" notation.

Question 10 (10 points)

Correct the following Data Dictionary definitions:

a = b + {c} + (d|e)

QUESTION 6 The solubility of Ar (g) in water at 25"C is 1.6x10M when the pressure of the Ar above the solution is 1.0 atm. The solubility of Ar at a pressure of 2.5 atm in a. 1.6 x 103 b. 8.4 x 104 C 4.0 x 10-3 d. 7.5 x 10-2 e. 1.6 x 10-3 QUESTION 7 In a saturated solution of a salt in water, the rate of crystallization > the rate of dissolution the rate of dissolution > the rate of crystallization b seed crystal addition may cause massive crystallization C. addition of more water causes massive crystallization d the rate of crystallization = the rate of dissolutionThis is an organized codification of the common laws of contracts. O Implied in law O International Sale of Goods The Uniform Commercial Code The Restatement of the Law of Contracts Case law uestion 2 (3 points)