CSC PAPER - 14 JUL 2006 - NOIDA

Hi Friends

I m Mohan, 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

- 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, find 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 24 degree 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++

- 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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