Question

What is garbage?

(a) Unallocated storage

(b) Allocated storage whose access paths are destroyed?

(c) Allocated storage

(d) Uninitialized storage

The question was asked in a national level competition.

Query is from Handle of Right sentinel Grammar topic in division Bottom Up Parsing of Compiler

Answer 1

Correct option is (b) Allocated storage whose access paths are destroyed?

For explanation I would say: These are more like memory loacations with values whose pointers have been revoked.