Compaq Placement Paper Technical
->Why paging is used ?
->Which is the best page replacement
algo and Why ?
software life cycle ?
->How much time is spent usually in
each phases and why ?
->What is testing ?
->Which are the different types of
->Which are the different phases in
Software life cycle (asked again)
->Why is analysis and testing phases
very important ?
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
->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
->Compare it with ethernet.
->What is inheritance, encapsulation
->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.
options are: virtual memory,
security, time sharing, none of the above.
->Which one is not done by
Data link layer ? bit stuffing,
-> Which one is not related to Data link layer?
-> Which one is not suitable for
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
b)multi processing ,multiuser
c)multi processing ,multiuser,multitasking
->x.25 protocol encapsulates the
d)all of the above
e)none of the above
->TCP/IP can work on
->a node has the
address 18.104.22.168 and 22.214.171.124.But it
transmitting data from node1 to
node2only. The reason may be
a)a node cannot have more than one
b)class A should have second octet
c)classB " " " " "
->the OSI layer from bottom to top
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
->bourne shell has
->wrong statement about c++
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
->In Unix inter process communication
take place using?.
->About i-node numbers
->Max relaxable permisssion value
with out giving write permission to others?.
->Linking across directories?.
->process id for kernell process
->very first process created by
->function to repaint a window
->Function entry for DLL in win3.1
->win 3.1 is a
->win 3.1 supports which type of
->Message displayed when a window is
->About send message and post message
->Message to limit the size of window
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
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
->What,s wrong with the call "fopen("c:\newdir\file.dat",