Q: Which one of the following error will be handled by the operating system?

A. power failure
B. lack of paper in printer
C. connection failure in the network
D. all of the mentioned


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Q: Which one of the following is not true?

A. kernel is the program that constitutes the central core of the operating system
B. kernel is the first part of operating system to load into memory during booting
C. kernel is made of various modules which can not be loaded in running operating system
D. kernel remains in the memory during the entire computer session


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Q: To access the services of the operating system, the interface is provided by the ___________?

A. System calls
B. API
C. Library
D. Assembly instructions


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Q: To access the services of the operating system, the interface is provided by the ___________?

A. System calls
B. API
C. Library
D. Assembly instructions


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Q: What is the operating system?

A. collection of programs that manages hardware resources
B. system service provider to the application programs
C. link to interface the hardware and application programs
D. all of the mentioned


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Q: Which of the following results are true, when a ROLLBACK statement is issued to the database, the transaction has ended?

A. All work done by the transaction is undone, as if it had nOt been issued.
B. Any locks acquired by the transaction are released.
C. Both A & B
D. None of the above


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Q: Which of the following results are true, when a ROLLBACK statement is issued to the database, the transaction has ended?

A.
B. Operands
C. Operators
D. Both A & B


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Q: PL/SQL Expressions are constructed using?

A. None of the above
B. HTF
C. HTP
D. Both A & B


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Q: Which of the following are used for displaying output on a web page?

A. None of the above
B. %ROWTYPE
C. %TYPE
D. Both A & B


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Q: Which of the following is used to declare a record?

A. None of the above
B. Function
C. Procedure
D. Package


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