Programming Techniques

Question 1

What are the 3 programming constructs?

Answer 1

Sequence, Selection, Iteration

Question 2

What is Sequence?

Answer 2

• Do one statement after the other in order

Question 3

What is Selection?

Answer 3

• Do a set of statements based on a condition, allow your code to make choices

Question 4

What is Iteration?

Answer 4

• Do a set of statements again and again

Question 5

What is a Count Controlled loop?

Answer 5

• Do a set of statements again and again a known (fixed) number of times

Question 6

What is a Condition Controlled loop?

Answer 6

• Do a set of statements again and again until a given condition is met

Question 7

What is a Local variable?

Answer 7

• Declared and used inside a sub-routine, only available to that routine
• Created when routine is called and destroyed when it ends

Question 8

What is a Global variable?

Answer 8

• Declared at the top of a program outside of sub-routines
• Usable throughout the program
• Created when program starts, destroyed when it ends

Question 9

What features does an IDE supply?

Answer 9

• Code editors: A text area used for programmers to enter code directly into the IDE. Often comes with additional features such as syntax h
• Error diagnostics: A feature which reports errors in the code and potential problems along where they are found and often suggestions on how to fix it
• Run-time environments: Software to support the execution and running of programs. IT allows the developer to run their code during development in order to check for logical errors.
• Translators: A program which converts high-level or assembly-level code into executable machine code by either compiling it or interpreting it