1.2 Translators

Question 1

What are Translators ?

Answer 1

Convert programming languages into
machine code.

Question 2

What is a Assembler ?

Answer 2

Converts assembly mnemonics to machine code.
(Each chip set has its own assembly code.)

Question 3

What is a interpreter ?

Answer 3

Converts high level code to machine
code one line at a time.

Question 4

What are some features of interpreters ?

Answer 4

• Machine independent.
• Work with high level languages.
• Requires the source code.

Question 5

How do interpreters work ?

Answer 5

Run until they hit an error
Have to be interpreted every time.
Requires the source code.

Question 6

What are some advantages and disadvantages of interpreters ?

Answer 6

Runs immediately.
Runs until it hits an error.

However…

Some parts of the code may never be run.

Question 7

How does a Compiler work ?

Answer 7

Reads the whole code, then translates it to machine code.
Creates an executable (.exe)
Code only has to be compiled once.

Question 8

What are some advantages and disadvantages of a Compiler ?

Answer 8

Translates the entire code.

However…

• Takes time to compile.
• Might not compile at all if there are errors.