compaque

->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.





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->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? tcp/ip,message passing,rpc,none of the

above.



->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



d)multiuser,multitasking



->x.25 protocol encapsulates the follwing layers



a)network



b)datalink



c)physical



d)all of the above



e)none of the above



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->TCP/IP can work on



a)ethernet



b)tokenring



c)a&b



d)none



->a node has the ip address 138.50.10.7 and 138.50.10.9.But 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 " " " " "



d)a,b,c



->the OSI layer from bottom to top



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



a)medium



b)huge



c)large



d)none



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



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



->bourne shell has



a)history record



b)



c)



d)





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->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





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->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")"?