COMPAQ Placement Papers – C Language

->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: ewdirfile.dat”, “r”)”?

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