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Exercise 2.2

1. Metalanguage
2. Pascal = Stepwise Refinement
C = Variables
3. Because it is defined as a number, not text (integer)
4. Integer
5. Because they can change, they cannot be the same
6. Through its own intrinsic form

Exercise 2.3

1. Planning the solution
Defining the solution
Building the solution
Modifying the solution
Checking the solution
2. a) T
b) T
c) T
d) T
e) F
f) F
g) T
h) T
i) F
j) T
k) T
l) F
m) F
n) T
3. Stepwise refinement – In this process the overall problem is divided into smaller, more easily managed parts or modules. This is much simpler than simpler than trying to tackle the whole problem at once.

Exercise 2.4

1. on sheet

2. Prototyping involves building a working model that is evaluated by users. Egs: Car industry.

3. Easy, affordable, great end user development approach
4. Adv: Abo...

Posted by: Angelia Holliday

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