C Input Output MCQs

C Input Output MCQs. This is the 2nd post of MCQs | online quiz for ICS Part-II || 2nd Year Computer Science Chapter No.10. MCQ Questions along with their answers to this quiz are important for the final examination, ECAT, and all entry tests for all universities of Pakistan.

It is tried best to make the important MCQs (Multiple Choice Questions) from this chapter (Input / Output) with answers. This post covers input / output statements, field width specifiers, escape sequence, getche(), format specifier, and getch(). This is the 2nd post for the online quiz of this chapter. Stay tuned for more quiz:

The following may relate to you!

➤Input / Output - MCQs Set-I

➤Input / Output - Exercise Programs

➤Input / Output - Short Questions and Answers

Chap#10: Input / Output  | MCQs Online Quiz -2

 

1. What will happen if we miss ampersand (&) in scanf()?
   1.   value will be stored in variable
   2.   syntax error
   3.   value will not be stored in variable
   4.   run time error
2. Which of the following function requires pressing of enter key?
   1.   scanf()
   2.   getche()
   3.   getch()
   4.   all of these
3. Which of the following header file will help us in using printf()?
   1.   conio.h
   2.   math.h
   3.   stdio.h
   4.   all of these
4. Which of the following is valid syntax?
   1.   printf(“%d,a”);
   2.   printf(“%d”,a”);
   3.   printf(“%d”,a);
   4.   none of these
5. Which of the followings are special characters used in in format string of printf() in combination with backslash?
   1.   format specifier
   2.   field sequence
   3.   escape sequence
   4.   format string
6. Which of the followings format specifier is used for long-integer type variable?
   1.   %i
   2.   %ld
   3.   %d
   4.   %lf
7. Which of the followings functions is suitable for displaying marks calculated by a program?
   1.   scanf
   2.   getch
   3.   printf
   4.   none of these
8. Which of the followings is a valid filed width specifier?
   1.   4%d
   2.   %d4
   3.   %4d
   4.   none of these
9. Which symbol represents ampersand?
   1.   #
   2.   &
   3.   %
   4.   \
10. Function getch() is defined in?
    1.   stdio.h
    2.   conio.h
    3.   string.h
    4.   math.h
11. The format specifier %u is used for?
    1.   integer
    2.   unsigned short
    3.   unsigned float
    4.   unsigned long int
12. Which of the following operator has lowest precedence?
    1.   !
    2.   ==
    3.   +
    4.   =