1. W hat  do curly braces denote in C? Why does it make sense to use curly  brac es to surround the body of a function?         Answer:  The curly braces denote a block of code, in which variables can be  declared. Variables declared within the block are valid only until  the end of the block, marked by the matching right curly brace ’}’.  The body of a function is one such type of block, and thus, curly  braces are used to describe the extent of that block .     2.Describe  the difference between the literal values 7, "7", and ’7 ’  ?       Answer: The first literal is integer 7.Second literal is null terminated string value '7'.Third literal  is character '7' having ASCII character code (55).          3.  Consider the statement double ans = 10.0+2.0/3.0−2.0∗2.0; Rewrite this  statement, inserting parentheses to ensure that ans = 11.0 upon  evaluation of this statement ?             Answer:  double ans = 10.0+2.0/ (( 3.0−2.0 ) ∗2.0 ) ;            4 .C...
 
 
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