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ORACLE PAPER FOR MCA( R.E.C. ROURKELA )
Posted Date: 13 Mar 2008 Resource Type: Articles/Knowledge Sharing Category: Placement Papers
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Posted By: ashish singh Member Level: Diamond
Rating:  Points: 5
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ORACLE PAPER ( R.E.C. ROURKELA )
Tech ( 30 min )
SECTION 1:-> 16 QUESTIONS, EACH OF 1 MARKS(MOSTLY
FROM O.S. AND FEW
FROM SQL)
SECTION 2:-> 7 QUESTIONS,EACH OF 2 MARKS ( 1 FROM C
AND OTHERS FROM
C AND C++)
SECTION 3:-> WRITE A PROGRAM IN C/C++ TO SORT A
DOUBLY LINKED LIST,
INSERT AN ELEMENT TO IT AND DELETE AN
ELEMENT FROM IT.
SECTION I
===============
1. WHAT IS FOREIGN KEY .
2. HOW IT WILL BE SPELLED AS
double (*(*(*(*f))[10])) ()
3.WHAT IS CURSOR IN SQL
4. PROCESS BURST TIME
P1 24
P2 3
P3 3
IN NON-PREEMPTIVE JOB SCHEDULING ,USING FIFO,
FIND OUT AVERAGE TIME.
5. PROCESS AVAILABLE TIME BURST TIME
P1 0 7
P2 2 4
P3 1 4
P4 4 5
IN NON-PREEMPTIVE JOB SCHEDULING ,USING SJF ,
FIND OUT AVERAGE WAITING TIME.
6. 1,2,3,4,5,2,3,4,3 (NOTE SEQUENCE ARE NOT IN
EXACT ORDER)
FIND OUT NO. OF PAGE FAULT IN LRU USING DEMAND
PAGING.
7. 1,2,3,4,5,2,3,4,3 (NOTE SEQUENCE ARE NOT IN
EXACT ORDER)
FIND OUT NO. OF PAGE FAULT IN FIFO USING PURE
DEMAND PAGING.
8. 4*3+(6*3-12)
IF THIS INFIX NOTATION IS CONVERTED IN POSTFIX
NOTATION USING
SOME ALGORITHM THEN IN THAT MAXIMUM LENGTH OF
THE STACK WILL BE?
9. WHAT IS CRITICAL REGION
10. PRIMARY KEY SATIFIES ALL EXCEPT
a)____ b)______ c)_____ d) can represent
null values
11. (((())()))() (sequence is not exactly the
same )
FIND OUT THE MAXIMUM LENGTH OF STACK ,TO FIND
OUT THE NO. OF
PARENTHESIS IN ABOVE
12. p(element)
p(mutex)
-------
------
V (mutex)
P(ELEMENT)
IF P AND V SEMAPHORE ARE INTERCHANGED , THEN WHAT
WILL BE THE
OUTPUT.
4 MORE QUESTION WHERE THERE WHICH I DO NOT REMEMBER
SECTION II
===========
**********
QUESTION OF THIS PART WHERE TOUGH AND LARGE AS WELL
1. PRINT (INT *A,INT *B,INT *C,INT *D)
-----------------------------
ANS. ARRAY OUT OF BOUNDS.
6. CLASS OUTER
{
CLASS INNER
{
-----
------
}
}
(SOMETHING LIKE THAT)
ANS. 1 & 2 ( ERROR IN THE GIVEN LINE NUMBER )
2. CLASS ABSTRACT CLASS
{
PUBLIC:
VIRTUAL ABSTRACTCLASS()=0; //LINE 1
VIRTUAL ~ABSSSTRACTCLASS()=0;//LINE 2
}
ABSTRACT CLASS:: ABSTRACTCLASS()={}//LINE 3
ABSTRACT CLASS::~ABSTRACTCLASS()={} //LINE 4
QUESTION WAS GIVEN TO FIND OUT THE ERROR IN LINE NO.
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