High and Low Level Languages

What is an imperative high-level language?

A language that consists of commands for the computer to preform

What is a declarative high-level language?

A language that focuses on what the program should do, instead of listing the instructions.

What is an example of a declarative high-level language?

SQL

What does portable mean in terms of high-level languages?

They can be recompiled for different processors

What is the source code and object code for assemblers?

• Source code → the assembly code inputted

• Object code → the machine code outputted

When is code generally written in assembly?

When the code needs to execute quickly

When compiling, what does the compiler do once the intermediate code is generated?

Optimises the code

What is intermediate code?

Portable low - level code that is between source and machine code