What is an lvalue and an rvalue?

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what is the difference between structure and union?

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why we need function pointers?

3 Answers  

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Which node is more powerful and can handle local information processing or graphics processing?

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How can I change their mode to binary?

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write an interactive C program that will encode or decode a line of text.To encode a line of text,proceed as follows. 1.convert each character,including blank spaces,to its ASCII equivalent. 2.Generate a positive random integer.add this integer to the ASCII equivalent of each character.The same random integer will be used for the entire line of text. 3.Suppose that N1 represents the lowest permissible value in the ASCII code,and N2 represents the highest permissible value.If the number obtained in step 2 above(i.e.,the original ASCII equivalent plus the random integer)exceeds N2,then subtract the largest possible multiple of N2 from this number,and add the remainder to N1.Hence the encoded number will always fall between N1 and N2,and will therefore always represent some ASCII character. 4.Dislay the characters that correspond to the encoded ASCII values.  The procedure is reversed when decoding a line of text.Be certain,however,that the same random number is used in decodingas was used in encoding.

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How was c created?

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What is calloc in c?

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main() { intx=2,y=6,z=6; x=y=z; printf(%d",x) }

5 Answers   Amazon, HCL, Thought Works,

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actually i have 2 years teaching experience as computer faculty but now i am a DBA but when i go for interview many peoples asked me why i left my teaching profession and why i want to come in this field kindly give me the proper answer of this queston

3 Answers   Ramco,

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How can I call system when parameters (filenames, etc.) Of the executed command arent known until run time?

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What is the use of header?

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