CSC PAPER ON 14th JULY 2006 AT CSC NOIDA

CSC PAPERĀ  ON 14th JULY 2006 ATĀ  CSC NOIDA
friends , i m recently placed in CSC and i wana share questions wich i remember abt ppr, with u all
in written thy giv two tests:-
1) quant/aptitude/logical ppr 40ques in 40minutes
2) technical test 75question in 40min

apti/quant/logical
it was a very tough test i hav given test of 6-7 companies but csc test was toughest
ther vr linear equations questions wich vr not at all easy
questions on sets
-permutaion combination
-arrangement logical ques
– distance speed ques
– time question

APTITUDE/QUANT/LOGICAL TEST QUESTIONS
-ques like 90% of 1 litree milk and 60% of 40 litre water result in 67% mixture so wht is compostion of milk in litres?

-ques like f has pririty over h and g has priortiy over i so now 4-5 ques based on this

-length is increased by 5 and breadth is decreased ny 10 thn total is 200m and whn length decreasd by 5 and breadth increasd by 15 thn total is 75 m, fing length

-a>b>c so wich is tru
ab>ac or a/b>b/c or som more options

-6 girls and 6 boys, all boys and all girls will sit together so no of possible ways

– cow is tied with rope from two sides 40 40 cm and forming an angle 24degree size of rope is 15cm so how much area in wich cow can graze

-7 orange and 5 apples cost 16.90 rs and 5 oranges and 7 apples cost 2.60 so no of oranges

-ther is a place wher ppl r either no or yes. if ram sain 2and 2 makes four thn he is yes and similarly if mohan said 2 -1 is 2 thn he is no. so now ques based on this

– paragraph given and u hav to conlude or find contradicting line

and rest all questions vr very tough so i dont remember thm at all
technical ques
-os
-dbms
-ds
-n/w
-microprocessor(806139…)
-java
-c c++
TECHNICAL WRITTEN TEST QUESTIONS
– wht is piggybanking used for (acknowledgement)

– wht combines router and bridge
(hub/brouter)

– tcp/ip is wht conection oriented or conectionless

– X.25 protcol is at wich layer

– wht is superkey (primarykey+attribute)

– wich join will u use to hav null values (outer)

– query was given find join type
select customer.is and order.is and name from customer, order
where cutomer.id= order.id (natural join)

– wich follow binary tree property

– som code of java given find no of dangling pointers

– linked list a->b and b pt to itself so wht type of linked list (infinite)

– which line is wrong abt linked list
(circular list can be only implemented in doubly linked list)

– os question on context switch and sytem call

– microporcesor ques like result of 2 input , 1 o/p line and three annd gates is (nand)

– which gate need to combine with or gate to make nand gate

– transfer RO to local and local to RO and shift RO 3 timed thn local to RO so result is
(RO=local)

– some instruction were given and u hav to find resultanf values of flags

– some instrcution was given find output shift 2 times right to 80008ff

– atomicity definiton was given and u hav to tell wich property it is(atomicity)

– questions vr given fill in the balnks three places (placemnt,replacemnt,replacment) order was correct

– wich normal from shld be saticsy to hav bcnf and one more condition was given

– som ques of physics given resistance and volts use so u hav to tell output (low voltage or high voltage or??)

– wich sort take o(n^2) time
quicksort

– some prog given outer fro loop from 1 to n and inner frm 1 to k so time is
O(nk)

-right output of preorder traversal som tree was given

– wht r abstract data types

– wht r steps of compiler (syntax, semantic,…)

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