2.3.2

Question 1

what is the purpose of testing?

Answer 1

-help programmers identify and removes errors
-ensuring the program still meets its requirements
-identifying any security loopholes

Question 2

what are the different types of testing?

Answer 2

-iterative testing
-final/terminal testing
-alpha testing
-beta testing

Question 3

iterative testing

Answer 3

-performed whilst software is being developed
-corrects errors as they appear

Question 4

final/terminal testing

Answer 4

-performed when program is completely finished
-individual areas are tested separately

Question 5

alpha testing

Answer 5

-first phase is performed by programmers
-test data is used to ensure it meets the expected results

Question 6

beta testing

Answer 6

-second phase of testing, select group of potential users are given a pre released version
-users use it as they normally would and report any bugs

Question 7

what are the different types of test data?

Answer 7

-normal data
-boundary data
-invalid data
-erroneous data

Question 8

normal data

Answer 8

data which should be accepted by a program without causing errors

Question 9

boundary data

Answer 9

data of the correct type which is on the very edge of being valid

Question 10

invalid data

Answer 10

data of the correct data type which should be rejected by a computer system

Question 11

erroneous data

Answer 11

data that is of the incorrect data type