8.3 Errors and Testing

Question 1

Syntax errors

Answer 1

A syntax error is one where the code written doesn’t conform to the rules of the language

Question 2

Logical errors

Answer 2

The program is being run, but won’t work as the programmer intended

Question 3

4 different testing data

Answer 3

Normal, boundary, invalid, errneous

Question 4

What are trace tables used for?

Answer 4

Tracing theough a program in order to find a logical error

Question 5

Why are trace tables useful?

Answer 5

Determining the purpose of an algorithm, finding the output of an algorithm, finding errors in an algorithm

Question 6

Iterative testing

Answer 6

Tests modules and parts of a program as the program is developed

Question 7

Final testing

Answer 7

Tests the whole program at the end of production

Question 8

Normal data

Answer 8

Typical data that the prpgram expects to handle

Question 9

Boundary data

Answer 9

Excludes both ends of the allowed range

Question 10

Invalid data

Answer 10

Data outside the limits of valid data

Question 11

Erroneous data

Answer 11

For example non-numeric characters in a numeric field