Comp 2 Revision

Question 1

Describe two methods of translating high level code into machine code.

Answer 1

1) Compiler - translates all code at once / in one to - produces an executable file
2) interpreter - translates code line by line - will be translated every time it is run

Question 2

Describe two examples of defensive design that should be considered when developing a program.

Answer 2

1) input sanitisation - cleaning up input data/removing unneeded data e.g. special characters
2) validation - checking whether input data should be allowed e.g. a value cannot be under 0 in some cases