Technology problems
- 1. How will you call the return code of JCL ? Discuss
Correct Answer: Return Code in JCL can b obtained by the use of COND paramaterit is used to know the return codes of previous steps
- 2. How do you check the syntax of a JCL without running it? Discuss
Correct Answer: TYPERUN=SCAN on the JOB card or use JSCAN TYPERUN=HOLD on the job card it is used for syntatical checks and direct job to spool and hold it
- 3. Which of the following type of data member can be shared by all instances of its class?
Options- A. Public
- B. Inherited
- C. Static
- D. None Discuss
Correct Answer: Static
Explanation:
Static members are shared by all the instances of the class
- 4. In which of the following we cannot overload the function?
Options- A. return function
- B. caller
- C. called function
- D. none of the mentioned Discuss
Correct Answer: return function
Explanation:
While overloading the return function, it will rise a error, So we can?t overload the return function.
- 5. What is the Standard Template Library? Also asked in: Software Architect
Correct Answer: A library of container templates approved by the ANSI committee for inclusion in the standard C++ specification A programmer who then launches into a discussion of the generic programming model, iterators, allocators, algorithms, and such, has a higher than average understanding of the new technology that STL brings to C++ programming
- 6. Which is also called as abstract class?
Options- A. virtual function
- B. pure virtual function
- C. derived class
- D. None of these Discuss
Correct Answer: pure virtual function
Explanation:
Classes that contain at least one pure virtual function are called as abstract base classes.
- 7. What will happen when an exception is not processed?
Options- A. It will eat up lot of memory and program size
- B. Terminate the program
- C. Crash the compiler
- D. None of the mentioned Discuss
Correct Answer: It will eat up lot of memory and program size
Explanation:
As in the case of not using an exception, it will remain useless in the program and increase the code complexity.
- 8. Pick out the correct method in the c++ standard library algorithm.
Options- A. mismatch
- B. maximum
- C. minimum
- D. None of these Discuss
Correct Answer: mismatch
Explanation:
It is a method in the search opertion in standard library algorithms.
- 9. What is meant by heap?
Options- A. Used for fast reterival of elements
- B. Used for organising the elements
- C. Both a & b
- D. None of the mentioned Discuss
Correct Answer: Both a & b
Explanation:
A heap is a way to organize the elements of a range that allows for fast retrieval of the element.
- 10. What are static and dynamic type checking? Discuss
Correct Answer: Type checking is the operation on which the arguments that can only be applied for Static type checking performs the type checking operation before the execution of the program To perform this operation, the arguments, expressions, variables must be given a data type Dynamic type checking performs the type checking operation at the time of the program execution To perform this operation, the arguments, expressions, variables must be given a data type
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