Which one of the following statements is true?

GATE · 1994 · CS · Question 1 subparts

1. A.

   Macro definitions cannot appear within other macro definitions in assembly language programs

2. B.

   Overlaying is used to run a program which is longer than the address space of computer

3. C.

   Virtual memory can be used to accommodate a program which is longer than the address space of a computer

4. D.

   It is not possible to write interrupt service routines in a high level language

Attempted by 36 students.