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COP 3223 exam 1 questions and answers
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COP 3223 exam 1 questions and answers
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COP 3223 exam 1 questions andanswers
what are two categories of the c preprocessor - Answer-header files and macros
what does the c pre processor do - Answer-The preprocessor provides the ability for the
inclusion of header files, macro expansions, conditional compilation, and line control.
block comments start and end with - Answer-/* */
what do preprocessor directives do - Answer-Indicate certain things to be done to the
program code prior to compilation.
begin with #
semi colons are not used to end
what are examples of header files of #include - Answer-#include<math.h>
#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#include "filename" - Answer-the preprocessor searches in the same directory as the
file being compiled. typically used for user-defined files
#include <filename> - Answer-the preprocessor searched in pre-defined directories
where the standard c library files are located. normally used for standard library files
#define is an example of what? - Answer-symbol replacement
what does symbol replacement do - Answer-causes the preprocessor to physically
replace the source code prior to compilation
#define a 29.75
true or false:
if part of a output function printf(), where quotations are used to indicate what to print
exactly, the terms identified by a #define directive are replaced - Answer-FALSE
t or f- it is important to use parantheses in definition, or else the compiler is confused -
Answer-TRUE
the only essential function in a c program is - Answer-main()
how to enter body inside a main function - Answer-{}
t or f - an entire c program can be written with only a main () function - Answer-true
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