2.5.1 Languages

Question 1

What is high-level language?

Answer 1

Written by humans and contain keywords and syntax that programmers understand

Question 2

What are examples of high level languages?

Answer 2

Python
The C family of languages
Java / JavaScript
Visual Basic / .Net
PHP
Delphi
BASIC

Question 3

What common terminology do high level languages share?

Answer 3

‘if’
‘while’
‘until’

Question 4

What is low-level language?

Answer 4

More difficult to read and write, and they are much closer to direct instructions that a computer can understand
Often used to directly control hardware

Question 5

What is an example of low-level languages?

Answer 5

Machine code - can execute commands directly without translation

Question 6

What do modern translators include?

Answer 6

Compilers
Interpreters

Question 7

What are compliers?

Answer 7

high-level languages
Convert programs as a whole machine code programs
Fail if errors are found and the process must then begin again

Question 8

What are interpreters?

Answer 8

Examine high-level language file one at a time and convert each instruction into compatible machine code instructions
Slower than compilers
Being able to translate while a program is running means that errors within specific line of code can be identified quickly