Types Of Program Translator

Question 1

Explain why a compiler is used to produce the final version of a computer program?

Answer 1

So that the source code cannot be accessed by the users. And the users don’t need a programming environment.

Question 2

Explain why programs written in a scripting language for this purpose and are interpreted rather than compiled?

Answer 2

Complied program only executes on a processor specific type, program run by interpreter executes on a computer with any type of processor.

Question 3

Advantages of using a compiler rather an interpreter to prepare runnable program

Answer 3

Compiler optimises code.
Produces object code .

Question 4

Explain the differences between a compiler and interpreter.

Answer 4

Compiler is the whole program is translated
Interpreter is line by line
Compilers produce object code and interpreters do not

Question 5

Explain what intermediate code is and some compilers will produce intermediate code as the final output.

Answer 5

Intermediate code is not directly executable and this means it will be interpreted by a virtual machine

Question 6

Explain why the final version of a computer program is usually translated using a compiler?

Answer 6

So that source code cannot be accessed by users and the program will execute more quickly.

Question 7

Explain why programs written in the JavaScript language to be executed in a web browser are interpreted rather than compiled?

Answer 7

Program will only execute on a processor of a specific type can’t know what type of processor will be used in users computer