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Give a one-line C expression to test whether a number is a power of 2. [No loops allowed - it's a simple test.]
Given two strings S1 and S2. Delete from S2 all those characters which occur in S1 also and finally create a clean S2 with the relevant characters deleted.
Write an efficient algo and C code to shuffle a pack of cards.. this one was a feedback process until we came up with one with no extra storage.
GIven a sequence of characters. How will you convert the lower case characters to upper case characters. ( Try using bit vector - sol given in the C lib -> typec.h)
c programs are converted into machine language with the help of a) an interpreter b) a compiler c) an operatinf system d) none of the above
the real constant in c can be expressed in which of the following forms a) fractional form only b) exponential form only c) ascii form only d) both a and b
which of the following is not a character constant a) 'thank you' b) 'enter values of p, n ,r' c) '23.56E-o3' d) all of the above
a c variable cannot start with a) an alphabet b) a number c) a special symbol d) both b and c above
an expression contains relational operators, assignment operators, and arithmatic operstors. In the absence of parentheses, they will be evaluated in which of the following order a) assignment, relational, arithematic b) arithematic, relational, assignment c) relational, arithematic, assignment d) assignment, arithematic, relational
how many types of operators are include in c language a) 4 b) 6 c) 8 d) 12
c language supports bitwise operations, why a) 'c' language is system oriented b) 'c' language is problem oriented c) 'c' language is middle level language d) all the above
application areas a 'c' a) operating system b) graphics, interpreter, assembler c) program evalution, communication softwares d) all the above
console I/O functions means a) the I/O operations done on disk b) the I/O operations done in all parts c) the input given through keyboard is displayed VDU screen d) none of the above
which of the following is allowed in a "C" arithematic instruction a) [] b) {} c) () d) none of the above
which of the following statement is wrong a) mes=123.56; b) con='T'*'A'; c) this='T'*20; d) 3+a=b;
