Software Design and Development (Testing and Documentation)

Question 1

What are the three types of test data?

Answer 1

Normal
Extreme
Exceptional

Question 2

What is boundary testing?

Answer 2

Testing the first two values outwith the thresshold

Question 3

What will test tables show?

Answer 3

A column for the expected result

A column for what actually happens when the program runs

Question 4

What items are tested in a test table?

Answer 4

At least two items of normal data
At least two items of exceptional data
Both extreme values if testing a range of numbers

Question 5

If are error is found here, which stage of Software Design and Development should the coder revisit?

Answer 5

Design

Question 6

What are the three types of error?

Answer 6

Syntax
Logic
Execution

Question 7

What are Syntax errors?

Answer 7

Errors committed by the coder, and are to do with the spelling and grammar of the code

eg. missing a letter

Question 8

What are Logic errors?

Answer 8

Errors committed by the coder, and are to do with the logical operations and decisions the program must carry out

eg. AND instead of OR

Question 9

What are Execution errors?

Answer 9

When a program is asked to something which it can’t do, resulting in a crash

eg. Dividing a value by 0