Elements of C - MCQs Quiz

Elements of C - MCQs Quiz. This is the 1st post of Chapter No.9 (Elements of C). These MCQs | online quiz for ICS 2nd year | Part-II Computer Science are important for the final examination, ECAT, and all entry tests for all universities of Pakistan.

It is tried best to select the most important MCQs (Multiple Choice Questions) from this chapter (Elements of C). The MCQs of this post covers the topics identifiers (standard identifiers, user-defined identifiers), keywords, variables, declaring, defining, and initializing a variable in C, rules for naming variables, constants, data types, operators in C (arithmetic, relational operators, logical operators, assignment operator, increment and decrement operators), and comments in C.

➤ Elements of C - MCQs Set-II
➤ Elements of C - MCQs Set-III
➤ Elements of C - Short Questions
➤ Getting Started With C - Short Questions
➤ Getting Started With C - MCQs
➤ Input/Output - MCQs | Quiz
➤ Input/Output - Short Questions
➤ Input/Output - Exercise Programs

Elements of C | MCQs - Online Quiz-1

 

1. /* This is an example of ____ type of comment */
   1.   single line comments
   2.   multi line comments
   3.   two lines comments
   4.   none of these
2. 10>=8 will evaluate to?
   1.   true
   2.   false
   3.   none of these
   4.   all of these
3. 18/4 = ?
   1.   4
   2.   0.5
   3.   4.5
   4.   none of these
4. 70%5 will result in?
   1.   0
   2.   3.5
   3.   8
   4.   350
5. A keyword is always written in ____ case letters?
   1.   upper
   2.   lower
   3.   upper + lower
   4.   none of these
6. All int variables are ___ if not mentioned?
   1.   unsigned
   2.   short
   3.   signed
   4.   short + signed
7. All kind of variables are stored in?
   1.   permanently in RAM
   2.   temporarily in RAM
   3.   ROM
   4.   none of these
8. ASCII code for ‘2’ is ?
   1.   blank space
   2.   ~
   3.   50
   4.   56
9. Following are examples of standard identifier except?
   1.   printf
   2.   int
   3.   sum
   4.   scanf
10. Following are valid variable names except?
    1.   X
    2.   else
    3.   bce37
    4.   interest
11. Following is an advantage of using comments?
    1.   easy readability
    2.   easy debugging
    3.   easy modification
    4.   all of these
12. Following are arithmetic operators except?
    1.   +
    2.   %
    3.   -
    4.   x
13. If number of characters in a variable name exceeds 31 characters, the compiler will?
    1.   allow all characters
    2.   not allow all characters
    3.   produce an error
    4.   ignore exceeding characters
14. In C compiler, there are ___ number of significant characters for identifiers?
    1.   31
    2.   32
    3.   33
    4.   unlimited
15. In C, variable declaration results in?
    1.   defining variable name
    2.   variable assignment
    3.   allocation of memory to variable
    4.   defining name + allocation of memory to variable