Lecturer Computer Science 17-11-21 - MCQsGalaxy

Lecturer Computer Science 17-11-21 - MCQs

Q Logically speaking, in general it is a good idea to set the values of the checkbox making of the other values property to the value of the property

A Value when checked
B Value when unchecked
C Null
D None

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KPPSC Lecturer Computer Science 17-11-21 Uploaded By: Amir Iqbal

Q Which of the following package can be used to build dynamic SQL?

A UTL_SQL
B UTL_ALERT
C DBMS_SQL
D UTL_DSQL

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KPPSC Lecturer Computer Science 17-11-21 Uploaded By: Amir Iqbal

Q At a particular time of computation, the value of a counting semaphore is 7. Then 20 P operation and x V operations were completed on this semaphore. If the final value of the semaphore is 5, x will be

A 15
B 20
C 18
D 13

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KPPSC Lecturer Computer Science 17-11-21 Uploaded By: Amir Iqbal

Q The SQL statement: select LPAD('abcd',10,'wert') from dual; prints

A Wertwertab
B Wertweabcd
C Abcdwertwer
D None of these

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KPPSC Lecturer Computer Science 17-11-21 Uploaded By: Amir Iqbal

Q In a paged memory, the page hit ratio is 0.35. The time required to access a page in secondary memory is equal to 100 ns. The time required to access a page in primary memory is 10 ns. The average time required to access a page is

A 3.0 ns
B 68.0 ns
C 68.5 ns
D 78.5 ns

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KPPSC Lecturer Computer Science 17-11-21 Uploaded By: Amir Iqbal

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