Types of Program Translators

Question 1

What are the types of program translators

Answer 1

Assemblers, Compilers and Interpreters

Question 2

How do assemblers work

Answer 2

Translated Assembly Language into Machine Code

Machine Code and Assembly Language have a 1-1 Relationship

Platform Specific

Question 3

How do compilers work

Answer 3

Take high level program as their source code

Check for any errors

Translate the entire program at once

Platform specific

Question 4

How do interpreters work

Answer 4

Translate high level languages into machine code line by line

Check for errors as they go - code line by line

Source Code and Interpreter must be present during translation - makes original code difficult to extract

Question 5

What happens when some compilers don’t produce machine code straight away

Answer 5

They translate source code into an intermediate language

Intermediate language is often bytecode - allows for platform independence

Question 6

What is Object Code

Answer 6

A translators output

Question 7

What is Source Code

Answer 7

The input to a translator

Question 8

What is a translator

Answer 8

A program that converts statements written in one language into another

Question 9

Advantages of an interpreter

Answer 9

If an error is found the source code can be corrected

Easier to use when developing program as a program can sort out each problem as an interpreter comes across it

Question 10

Advantages of a compiler

Answer 10

Runs faster than an interpreter

Machine code can be run on a computer without a compiler

Compiler program doesn’t have to be resident in memory at the same time as the program