Non-modifiable procedures are called

A. serially usable procedures

B. concurrent procedures

C. reentrant procedures

D. topdown procedures

E. None of the above

Answer: Option C

Solution(By Examveda Team)

Non-modifiable procedures are called reentrant procedures. A reentrant procedure is one in which a single copy of the program code can be shared by multiple users during the same period of time. Re-entrance have two key aspects: The program code cannot modify itself and the local data for each user must be stored separately.