Tuesday, September 22, 2015

HCL Placement Papers




Here are few questions for your Practice which cover all the topics:
Q.1. Which of the following involves context switch
a)   system call


b)   priviliged instruction


c)   floating poitnt exception
d)   all the above
Ans: (a)


Q.2. In OST, terminal emulation is done in
a)   sessions layer
b)   application layer
c)    presentation layer
d)   transport layer
Ans: (b)
Q.3. For 1 MB memory, the number of address lines required
a)   11


 Ans. (b)


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b)   16
c)   22
d)   24
 Ans. (b)
 Q.4. Semaphore is used for


a)   Synchronization


b)   Dead-lock avoidance
c)   Box
d)   None


Ans. (a)


Q.5. Which holds true for the following statement class c: public A, public B


a)   2 member in class A, B should not have same name
b)   2 member in class A, C should not have same name
c)   Both
d)   None


Ans. (a)


Q.6. Preproconia does not do which one of the following
a)   macro
b)   conditional complication
c)   in type checking
d)   including load file


Ans. (c)


Q.7. Piggy backing is a technique for
 a)   Flow control
 b)   Sequence


c)   Acknowledgement
d)   Retransmission
Ans. (c)
Q.8. How many segment registers are there in the 8086 processor?


a)   4
b)   6
c)   8
d)   none


Ans: (a)


Q.9. Which of the following statement is true about the fusion remove element
a)   It work when head is the same as rp
b)   It does not work when rp is the last element on the list
c)   It sets the head of the list correctly
d)   It works in all cases


Ans: (b)


Q.10. Which of the following fractions is less than 1/3?


a)   22/62
b)   15/46
 c)   2/3
 d)   1


Ans: (b)


Q.11. One  of Mr. Horton, his wife, their son,  and  Mr. Horton’s mother  is a doctor  and  another is a

lawyer.


a)   If the doctor is younger than the lawyer, then the doctor and the lawyer are not blood relatives.
b)   If the doctor is a woman, then the doctor and the lawyer are blood relatives.
c)   If the lawyer is a man, then the doctor is a man.
d)   Whose occupation you know?
Ans: Mr. Horton: he is the doctor.

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