HAL  Placement Paper   General - Other   Coimbatore,Tamilnadu-12 Nov 2008

HAL  Placement Paper   General - Other   Coimbatore,Tamilnadu-12 Nov 2008

  • Posted by  FreshersWorld 
    7 Jan, 2012



    Hi frenz, I wrote HAL written test for the post Management Trainee on 13th nov 2008. I belong to the stream - computer science.


    General structure:(totally 160 ques- 2 30 hrs)                           
    G.K- 20 questions                            
    Aptitude- 20 questions                           
    Technical- 120 questions


    some of the questions i do remember:


    General knowledge:

    1.Director of famous teleserial "MAHABHARATA"?

     ans: B.R.Chopra

    2.Which spice in Europe called "Black Gold"?

     ans: pepper

    3.Find the odd man out:  
    4.The magic spell to open the door in Harry Potter?
     5.How many members in Rajya sabha?
    ans: Max strength-250,actual strength-245



    1.When the hands of the clock are opposite to each other between 4 and 5?

    2. J/R : 11/10 :: T/K : ?

    3.shave : ? : : Knife : cut

    a)razor b)mirror c)lather?..

    4.Given the volume of the cube,hw many litres it can hold?

    ans: know the relation 1cu.m= 1kl(1000 litres)

    5.Many questions were like asking the next expected figure,given a sequence of figures  


    Technical questions:  

    Most of the questions were from Theory of computation,try to learn the basics of compiler design(I dont exactly remember those ques)


    Programming languages: 

    Topics covered were: operator overloading,friend functions,virtual fns,this pointer(knw the concepts exactly)


    1. auto variables when uninitialized,the default value is ?

    ans: garbage value

    2. scanf("%d,%d,%d",&a,&b,&c)

    The input is 123456'

    wat is the value in a,b,c?


    Digital circuits and Computer architecture:  

    Concentrate on logic families(especially TTL,CMOS- power supply and related questions)

    Know all the gates logic(NAND,NOR)

    Know all the number conversion(dec - hexa,hexa- octal,octal -hexa and all such ....)

    Know the number arithmetic(1's & 2's complement,sign and magnitude)-also their range of representation for n bit no.


    1.How many represntation are in , mod-6 counter ? also know no. of flipflops needed?

    2.8086 - hw many bit processor?

    ans :16

    3.1111( a binary no) - 1111( a binary no)= ? ( in binary no)

    4.Binary information stored in ?

    a)ans:registers b)flipflop ....

    5.GPU stands for

    ans: Graphics Processing Unit

    6.what is a Peripheral?

    7. x * y = x + y    
    z = x * y   
    x * x =? (Boolean expressions)

    8.The data rate of USB 2.0 /

    ans: 480 megabits/s


    Data structure:


    Know the complexities of all trees,sorting,searching algortihms some of the ques from Analysis of algorithm(DAA)


    1.For n non leaf nodes,how many nodes in the full binary tree?

    ans: 2n+1


    The test i attended has no ques from computer networks, DBMS( but there is a certainity for u) Comparatively the paper is quiet easy and the time is sufficient too.


    Refresh the concepts of our core subjects completely and if u do so then the test would be an absolute doddle!                      


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