Compilers And Interpreters

Question 1

What are the stages of compilation

lexical analysis

Answer 1

Comments and unneeded spaces are removed
Keywords, constants and identifiers are replace by tokens
A symbol table is created which holds the addresses of variabls, labels and subroutines

Question 2

What are the stages of compilation

syntax analysis

Answer 2

Tokens are checked to see if they match the spelling and grammar expected, using standard language definitions.
If syntax errors are found error messages are produced

Question 3

What are the stages of compilation

code generation

Answer 3

Machiene code is genertaed

Code optimimisation may be employed to make it more efficient/ faster/ less resources intense

Question 4

All stages of compilation process

Answer 4

Lexical anaylisis
Symbol table construction
Syntax error
Semantic analysis
Code generation
Optimisation

Question 5

What are the stages of compilation

semantic analysis

Answer 5

Variabls are checked to ensure that they have been properly declared and used and are the right data type
Operations are checked to ensure that they are legal for the type of variable

Question 6

Compilers

Answer 6

Converts high level code into low level code, in whole blocks of code at a time