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DL/I use how many types of Control Blocks?
27. DL/I use how many types of Control Blocks?
- 5
- 4
- 3
- 2
Answer: C) 3
Explanation:
DL/I uses the following three types of Control Blocks −
- Database Descriptor (DBD)
- Program Specification Block (PSB)
- Access Control Block (ACB)