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- Question
What are the difference between in-stream procedure and inline procedure in JCL ?
- Correct Answer
- An in-stream PROC is defined right in the jcl stream and doesn't reside in the proclib This is an older technique associated with punched cards but it is still in use with setup and installation programs from vendors for the in-line perform instead of: perform add-paragraph until switch = 'y' you can code perform until switch = 'y' body of code end-perform body of code is the code from add-paragraph appearing in-line (ie right in the perform) instead of in a separate paragraph (out of line code)
- 1. What are the processing modes available in IMS DB? Discuss
- 2. What are the two types of fields available in IMS DB? Discuss
- 3. How can we distinguish between an online and batch program in IMS environment? Discuss
- 4. What are the different types of VSAM files available? Discuss
- 5. What are the three levels of definition for the VSAM DEFINE? Discuss
- 6. In an AVL tree the balancing is to be done when the pivotal value is in range of
Options- A. greater than 1 and less than -1
- B. greater than -1 and less than 1
- C. greater than 1
- D. less than -1 Discuss
- 7. What is the data structures used to perform recursion? Discuss
- 8. Define void pointer using C++.? Discuss
- 9. What is C++ Discuss
- 10. What are the basic concepts of object oriented programming? Discuss
Technology problems
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Correct Answer: Batch DL/I MPP Mode - (Message Processing Program) BMP Mode - (Batch Message Processing)
Correct Answer: Key Fields - (PROCOPT=K) - Used to sequence the database and can't be changed - It is the field within a segment, used to identify the occurrence of the segment - Used to maintain the IMS segments in ascending sequence Search Fields - (PROCOPT=G) - Used to search for a segment, without the segment being sequenced on that field - A segment need not have a key or search field Both types of fields can be used to search the database
Correct Answer: If in application program IO-PCB is there then it is a online program In ENTRY statement IO-PCB must be listed first and then DB-PCB
Correct Answer: ESDS: Entry Sequence Data Set KSDS: Key Sequence Data Set RRDS: Relative Data Set
Correct Answer: They are DEFINE CLUSTER, DATA and INDEX
Correct Answer: greater than 1 and less than -1
Explanation:
Difference between the heights of left and Right subtrees in an AVL tree can never be greater than +1
Correct Answer: Stack Because of its LIFO (Last In First Out) property it remembers its ?caller? so knows whom to return when the function has to return Recursion makes use of system stack for storing the return addresses of the function calls Every recursive function has its equivalent iterative (non-recursive) function Even when such equivalent iterative procedures are written, explicit stack is to be used
Correct Answer: In C++, void represents the absence of type, so void pointers are pointers that point to a value that has no type The void pointers can point to any data type You can declare void pointer as follows: void *p;
Correct Answer: C++ is created by Bjarne Stroustrup of AT&T Bell Labs as an extension of C, C++ is an object-oriented computer language used in the development of enterprise and commercial applications Microsoft?s Visual C++ became the premier language of choice among developers and programmers
Correct Answer: It is necessary to understand some of the concepts used extensively in object oriented programmingThese include Objects Classes Data abstraction and encapsulation Inheritance Polymorphism Dynamic Binding Message passing
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