CODE RIDER | Module : 1 Evolution of C - from past to eternity | Test |

 

Q. The following symbol may ( in certain.                circumstances) be taken as an equivalent.        of:                               ??- 

Ans:-   a tilde 

Q. If a function does not return to its invoker,       is should be declared with the following.           specifier:

Ans:- _Noreturn_

Q. The use of telegraphs may be necessary if:

Ans:- Ther encoding system used by your hardware doesn't contain some of the needed symbols

Q. The atexit() function:

Ans:- may be invoked more than once

Q. The _func_ symbol is a:

Ans:- preprocessor symbol

Q. Hardware using little Indian representation will store a 16-bit long int  value equal to 17 as ( byes at lower addresses are presented first, all bytes in hex ):

Ans:- 11 00

Q. Sn empty pair of parentheses put in a function declaration denies that the function:                                void f(int n, int m)  {return n * m;}

Ans:- may be invoked with any number of arguments

Q. The term"EBCDIC" refers to data of type:

Ans:- char

Q. Which of the following statement is true?

Ans:- trigrahs are recognized inside during literals, but digraphs aren't 

Q. Values of _Bool data type behave as:

Ans:- unsigned ints

Q. Using the older style of function declaration ( as below) is:                                                                                   float  sinf(x)  float x;  { ... }

Ans:- very risky ad the compiler checks neither the number of arguments nor their types 

Q. The size of the following structure is:

         Struct  struv { 

                 char  a;

                   double  b;

          };

Ans:- equal to or greater than sizeof (char) + sizeof (double)

Q. The following statement:

         % : include      <studio.h>

Ans:- contains a digraphs

Q. If the compiler conforms to the ISO standard, it's preprocessor defines a symbol named:

Ans:-  _STDC_

Q. The two following declarations of the main() finction:

          int main (void)     { ... }

          int main ()       { ... }

Ans:- aren't equivalent and the latter is highly recommended

Q. The result of the following expression:

               int n = 'z'     'a' ;

Ans:-  depends on the encoding system used by a specific hardware platform

Q. Which of the given examples is an older equivalent of the following function declaration?

              void  f (int  n,  int  m)  {  return  n * m;}

Ans:-  void  f (n,m)  int  n;  int  m;  {  return  n * m; }

Q. The following symbol may be taken as an equivalent of:

         <:

Ans:-  a bracket 

Q. The _Pragma keyword may be used in ther following syntax context:

Ans:- _Pragma ( string_literal )