Microprocessors - Engineering

Q1:

Consider the following rules in Fortran
  1. A signed or unsigned real variable name or a real constant is a real expression.
  2. Two real expressions connected by an arithmetic operator is a real expression.
  3. A real variable or constant exponential by an integer constant or integer variable is not valid
Which of the above are correct?

A All

B 1 and 2 only

C 1 and 3 only

D 2 and 3 only

ANS:B - 1 and 2 only

No answer description is available.