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Programming Languages AllOther (746) a c variable cannot start with a) an alphabet b) a number c) a special symbol d) both b and c above
1251an 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
1333c 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
1073application areas a 'c' a) operating system b) graphics, interpreter, assembler c) program evalution, communication softwares d) all the above
1084Hierarchy decides which operator a) is most important b) is used first c) is fastest d) operates on largest numbers
1 2957console 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
1195which of the following is allowed in a "C" arithematic instruction a) [] b) {} c) () d) none of the above
1749which of the following statement is wrong a) mes=123.56; b) con='T'*'A'; c) this='T'*20; d) 3+a=b;
3284which of the following shows the correct hierarchy of arithmetic operations in C a) (), **, * or/,+ or - b) (),**,*,/,+,- c) (),**,/,*,+,- d) (),/ or *,- or +
1753in b=6.6/a+(2*a+(3*c)/a*d)/(2/n); which operation will be performed first a) 6.6/a b) 2*a c) 3*c d) 2/n
1 7947FORMATTED INPUT/OUTPUT functions are a) scanf() and printf() b) gets() and puts() c) getchar() and putchar() d) all the above
1133general for is %wd,f-d; in this system "w" means a) 'w' represent total width of digits b) 'w' represent width which includes the digits before,after decimal place and the decimal point c) 'w' represent width which includes the digits before only d) 'w' represent width after decimal place only
1100
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The purpose of this exercise is to benchmark file writing and reading speed. This exercise is divided into two parts. a). Write a file character by character such that the total file size becomes approximately >10K. After writing close the file handler, open a new stream and read the file character by character. Record both times. Execute this exercise at least 4 times b). Create a buffer capable of storing 100 characters. Now after generating the characters, first store them in the buffer. Once the buffer is filled up, store all the elements in the file. Repeat the process until the total file size becomes approximately >10K.While reading read a while line, store it in buffer and once buffer gets filled up, display the whole buffer. Repeat the exercise at least 4 times with different size of buffer (50, 100, 150 …). Records the times. c). Do an analysis of the differences in times and submit it in class.
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