Translators

Question 1

High - Level Language

Answer 1

Computers need to translate it before they can read and run it.
Source code is easy for humans to understand
e.g. Python

Question 2

Low - Level Language

Answer 2

Easy for computers to run
Tricky for humans to read and write

Question 3

What does low - level language consist of?

Answer 3

Machine Code
Assembly Languages

Question 4

Uses of high-level languages

Answer 4

One instruction of high - level code represents many instructions of machine code

Programmer can easily store data in data structures

Code is easy to understand, read, write

Question 5

Uses of low-level languages

Answer 5

One instruction of assembly code represents one instruction of machine code

Code is difficult to understand, read, write

Question 6

Machine code

Answer 6

Language that computer understands insructions in

Question 7

2 types of translators

Answer 7

Compilers
Interpreters

Question 8

What do compilers do:

Answer 8

Translate high - level code directly into machine code and create and executable file

Question 9

What do interpreters do:

Answer 9

They take each instruction in the code and call machine code subroutines within their own code to carry out that instruction

Question 10

Uses of a compiler:

Answer 10

Translates all the source code at the same time and creates one executable file

Only needed once to create the executable file

Returns a list of errors one compiling is complete

Once compiled the program runs quickly, but compiling takes a long time

Question 11

Uses of an interpreter:

Answer 11

Translates + runs the source code one instruction at a time, does not create an executable file

Needed every time to run the program

WIll run the first error and stop - useful for debugging

Programs run slowly because code is being translated

Question 12

What does the type of translator depend on?

Answer 12

The language being used