Unit 2 - 3 Flashcards
Define input validation?
Used to ensure that the data entered by the user is valid, acceptable
Give 2 checks to check input validation of age?
Length check
Number check
What is indentation used for?
Ensure if, elif, else statements work
What are comments used for?
So human user can understand code better, code does not process this
Explain the purpose of authentication?
Checks to see if user is allowed access to a system and checks to see if they are real and who they actually are
What is the difference between validation and authentication?
Verification - checks data is valid
Authentication - checks is user is valid and identity
What are the 2 types of error?
Syntax - mistakes in source code
Logical - an error in the logic of the code
Why do programs need to be tested?
Test them while developing them to make sure they work as expected
What are the 2 types of testing?
Iterative and terminal
What is iterative testing?
Making smaller, gradual changes or updates to a product based on insights
What is terminal (final) testing?
Carried out when all modules are complete and the program is tested as a whole that it functions as it should
What is the use of subprograms?
Small in size, much easier to write
Saves time, code that has already been written
