Answer:
True
Step-by-step explanation:
Global Variables
Variables which are declared outside any function. Any function can use these variables,they are automatically initialized to zero(0).They are generally declared before main() function.
Problems
We can modify the global variable in any function as any function can access it. So it is hard to figure out which functions read and write these variables. Various problems are-
- No Access Control
- Concurrency issues
- Memory allocation issues