Programming

Question 1

What kind of programming languages are the most commonly used today?

Answer 1

Object Oriented, particularly Java and C derivatives

Question 2

Example of a second generation language and why would it be used?

Answer 2

All assembly languages, they are used when a developer needs to control a core in detail usually to develop efficient code

Question 3

What does a NOT gate do?

Answer 3

A NOT gate inverts the signal passing through it. It’s used when something is intended to activate when signal is not detected

Question 4

In what situation would you use an interpreter rather than translator, why?

Answer 4

Typically when testing code as it allows the location of any errors to be more easily located while avoiding lengthy compile times

Question 5

What is the first stage of translation and what happens at this stage?

Answer 5

Lexical Analyser- Identifies what are words, removes comments

Question 6

What is flowchart useful for?

Answer 6

For presenting code or an application concept to a non-programming audience, allowing them to input if the information flow is sensible

Question 7

Where is declarative programming used?

Answer 7

It is typically found in databases and configuration management software. Examples are SQL and Prolog

Question 8

What is the second stage of translation and what happens at this stage?

Answer 8

Parser- Identifies keywords and organises code into statements based upon this

Question 9

What is the third stage of translation and what happens at this stage?

Answer 9

Code Generator- Turns the statements into machine code