Placement Papers - HCL

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HCL Technologies Sample Paper Part - 1

Posted By : Narmadha Rating : +33, -11

Paper :   HCL Technologies Sample Paper Part - 1
 

 
Q)Piggy backing is a technique for

a) Flow control b) sequence c) Acknowledgement d) retransmition

ans: c



Q)The layer in the OST model handles terminal emulation

a) session b) application c) presentation d) transport

ans: b application


Q)In signed magnitude notation what is the minimum value that can be represented with 8 bits

a) -128 b) -255 c) -127 d) 0


Q)There is an employer table with key feilds as employer no. data in every n'th row are needed for a simple following queries will get required results.

a) select A employe no. from employe A , where exists from employe B

where A employe no. >= B employe having (count(*) mod n)=0

b) select employe no. from employe A, employe B where

A employe no.>=B employ no.grouply employe no.having(count(*) mod n=0 )

c) both a& b

d) none of the above

Q)Type duplicates of a row in a table customer with non uniform key feild customer no. you can see

a) delete from costomer where customer no. exists

( select distinct customer no. from customer having count )

b) delete customer a where customer no. in

b rowid

c) delete customer a where custermor no. in

( select customer no. from customer a, customer b )

d) none of the above

Q)long int size

a) 4 bytes b) 2 bytes c) compiler dependent d) 8 bytes

ans: compiler dependent



Q)x=2,y=6,z=6

x=y==z;

printf(%d",x) ?


Q}what does the hexanumber E78 in radix 7.

(a) 12455 (b) 14153 (c) 14256 (d) 13541 (e) 131112

ans: (d)


Q) Q is not equal to zero and k = (Q x n - s)/2 find n?

(a) (2 x k + s)/Q (b) (2 x s x k)/Q (c) (2 x k - s)/Q

(d) (2 x k + s x Q)/Q (e) (k + s)/Q

(from GRE book page no:411)

data:

A causes B or C, but not both

F occurs only if B occurs

D occurs if B or C occurs

E occurs only if C occurs

J occurs only if E or F occurs

D causes G,H or both

H occurs if E occurs

G occurs if F occurs

NOTE: check following answers.

Q). If A occurs which of the following must occurs

I. F & G

II. E and H

III. D

(a) I only (b) II only (c) III only (d) I,II, & III

(e) I & II (or) II & III but not both

ans: (e)


Q). If B occurs which must occur

(a) D (b) D and G (c) G and H (d) F and G (e) J

ans: (a)


Q). If J occurs which must have occurred

(a) E (b) either B or C (c) both E & F (d) B (e) both B & C

ans: (b)

Q). which may occurs as a result of cause not mentioned

(1) D (2) A (3) F

(a) 1 only (b) 2 only (c) 1 & 2 (d) 2 & 3 (e) 1,2,3

ans: (c)


Q). E occurs which one cannot occurs

(a) A (b) F (c) D (d) C (e) J

ans: (b)

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