Design and Testing

Question 1

Define:

Structured Programming

Answer 1

Involves decomposing the program that you want to write into manageable modules. Each module is then decomposed further into even smaller modules, and eventually into modules that perform individual tasks

Question 2

Define:

Authentication

Answer 2

Used to confirm the identity of a user before they’re allowed to access certain data or features of a program

Question 3

Give examples of:

Authentication

Answer 3

Passwords
Biometrics
Security Questions
Two Factor Authentication

Question 4

Define:

Input Validation

Answer 4

Checking if data meets certain criteria before passing it into the program

Question 5

Give examples of:

Input Validation

Answer 5

Range Check
Presence Check
Format Check
Look-up Table
Length Check

Question 6

Define:

Syntax Errors

Answer 6

When the compiler or interpreter doesn’t understand something you’ve typed because it doesn’t follow the rules or grammar of the programming language

Question 8

Define:

Logic Errors

Answer 8

When the compiler or interpreter is able to run the program, but the program does something unexpected

Question 9

Define:

Trace Tables

Answer 9

Give a simple way of testing that a piece of code is working correctly. They keep track of the values that certain variables take as you go through the code