Compaq  Placement Paper   Technical - Other   Not Specified-10 Apr 2010

Compaq  Placement Paper   Technical - Other   Not Specified-10 Apr 2010

  • Posted by  FreshersWorld 
    7 Jan, 2012


    ->Why paging is used ?

    ->Which is the best page replacement algo and Why ?

    ->What is software life cycle ?

    ->How much time is spent usually in each phases and why ?

    ->What is testing ?

    ->Which are the different types of testing ?

    ->Which are the different phases in Software life cycle (asked again)

    ->Why is analysis and testing phases very important ?

    ->Why networks are layered ? What is the advantage of that ?

    ->How many layers are there in OSI ? Why is it called OSI model ?

    ->network topologies ?

    ->Which are the different network toplogies ?

    ->an example of bus type network.

    ->What is the Bandwidth of ethernet ?

    ->Explain the advantage and disadvantage of ethernet ?

    ->Which is the protocol used in ethernet. (CSMA/CD) Why is it called so ?

    ->What is the advantage of Ring network ?

    ->Compare it with ethernet.

    ->What is inheritance, encapsulation etc.

    ->If there are too many page faults what is the problem?

    ->To ensure one pgm. doesnt corrupt other pgm. in a Multi-pgm. enviornment what you should do?

    ->Which one you will use to implement critical section? Binary Semaphore

    -> Which one is not needed for Multi-pgm. enviornment?

    options are: virtual memory, security, time sharing, none of the above.

    ->Which one is not done by Data link layer ? bit stuffing, LRC,CRC,parity check

    -> Which one is not related to Data link layer?

    -> Which one is not suitable for client-server application?

    options are  tcp/ip, message passing, rpc, none of theabove.

    ->Term stickily bit is related to

      a)kernel b)undeletable file c) d)none

    ->semaphore variable is different from ordinary variable by ?

    ->unix system is

    a)multi processing

    b)multi processing ,multiuser

    c)multi processing ,multiuser,multitasking


    ->x.25 protocol encapsulates the follwing layers




    d)all of the above

    e)none of the above

    ->TCP/IP can work on





    ->a node has the ip address and it is

    transmitting data from node1 to node2only. The reason may be

    a)a node cannot have more than one address

    b)class A should have second octet different

    c)classB " " " " "


    ->the OSI layer from bottom to top

    ->for an application which exceeds 64k the memory model should be





    ->the condition required for dead lock in unix sustem is

    ->set-user-id is related to (in unix)

    ->bourne shell has

    a)history record




    ->wrong statement about c++

    a)code removably

    b)encapsulation of data and code

    c)program easy maintenance

    d)program runs faster
    ->which is true
    a)bridge connects dissimiler LANand protocol insensitive

    b)router " " " " "

    c)gateway " " " " "

    d)none of the above

    ->const char *

    char * const

    What is the differnce between the above tow?.

    ->In Unix inter process communication take place using?.

    ->About i-node numbers

    ->Max relaxable permisssion value with out giving write permission to others?.

    ->About ln(linking)

    ->Linking across directories?.

    ->process id for kernell process

    ->very first process created by kernell

    ->function to repaint a window immediately?.

    ->Function entry for DLL in win3.1

    ->win 3.1 is a

    ->win 3.1 supports which type of multi tasking?.

    ->Message displayed when a window is destroyed

    ->About fork()?

    ->About send message and post message

    ->Message to limit the size of window

    ->System call executable binary file intoa process

    ->About GDI object?.

    ->API used to hide window

    ->Initialize contents of a dialog?.

    -C SKILL SET--

    ->How do you write a program which produces its own source code as its output?
    ->How can I find the day of the week given the date?
    ->Why doesn't C have nested functions?
    ->What is the most efficient way to count the number of bits which are set in a value?
    ->How can I convert integers to binary or hexadecimal?
    ->How can I call a function, given its name as a string?
    ->How do I access command-line arguments?
    ->How can I return multiple values from a function?
    ->How can I invoke another program from within a C program?
    ->How can I access memory located at a certain address?
    ->How can I allocate arrays or structures bigger than 64K?
    ->How can I find out how much memory is available?
    ->How can I read a directory in a C program?
    ->How can I increase the allowable number of simultaneously open files?
    ->What's wrong with the call "fopen("c:\newdir\file.dat", "r")"?

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