I am sending some questions of the HCL written paper. I hope they will be useful for you. The written was of 75 mins. Technical 20 questions, aptitude 35 questions
Topics of written : C, C++, Networking, Java, OSI model, microprocessor.
Technical Questions: (order may vary)
1)main(){ int x=8; printf(“%d”,x++–);}output ?
ans:compiler error
2)a subclass can access which methods of a superclass
a)public,protected,private b)public only c)public and protected d)public and private
ans:c
3)function interface checking is a part of:
a)unit testing b)integration c)blackbox d)all
ans:integration
4)tcp is used in which osi layer?
5)what does const*string means
6)a question on static
7)to find 2’s compliment of a number
8)a binary tree has 1000 nodes, find its depth?
ans:11
9)SCSI stands for
ans:small computer system interface (check)
10)an approach to prevent mutually exclusive deadlock?
a)spool everything b)request all resources initially c) resources away d)order resources numerically
ans:b
11)language extention is a part of which fieldans:compiler
12)back patching is part of which phase of compiler
ans:parser
13)compression & decompression is performed by which osi layerans:presentation layer
14)a node is said to be pendant if
ans:indegree=0 and outdegree=0
15)radix 13 of (1AC) ans:311
16)what is dangler pointer?
17)time complexity of radix sort
18)which is best sorting technique for 12 23 45 57 68 72 Che tan aS
ans:insertion sort(it already a sorted order. so,insertion sort is thebest in this case)
19)float(int) how many bites it will take
ans:2
20)size of long int key?
Aptitude Questions:
1)a question on nails ans:124
2)how many odd number with different digits between 3000-5000 ans:504
3)a question on tennis ans:d
4)a triangle question ans:36 degrees
5)a question like if 1 Jan 2000 was a Sunday, in which year we will get the next Sunday?all the best