types of compiler

Question

Incremental-compiler is a compiler
(a) which is written in a language that is different from the source language (b) that generates object code for its host machine (c) which is written in a language that is same as the source language (d) that allows a modified position of a program to be compiled

Answer 1

D???

Comments

WHAT IS THE MODIFIED POSITION OF PROGRAM MEANS

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it means incremental compiler will not compile the whole program again which has been already compiled, it will compile only that part of program which has been modified..