Elements of C – MCQs Quiz-2

 

Elements of C - MCQs Quiz-2. This is the 2nd post of MCQs | online quiz for ICS Part-II || 2nd-year Computer Science Chapter No.9. MCQ Questions of 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 (Elements of C) with answers. This is the 2nd post for the online quiz of this chapter, the remaining MCQs along with answers will be posted soon.

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➤ Elements of C - MCQs Set-I

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➤ 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

Chapter No.9: Elements of C || MCQs Online Quiz-2

 

1. TC++ generates error if variables are?
   1.   undeclared
   2.   not initialized
   3.   undeclared + not initialized
   4.   none of these
2. The “x==7” will?
   1.   assign 7 as value to x
   2.   store 7 in x
   3.   checks whether 7 is equals to x or not
   4.   none of these
3. The logical OR operator combines two conditions and evaluates to true if?
   1.   either one of condition is true
   2.   no condition is true
   3.   both conditions are true
   4.   both conditions are true
4. The memory requirement for float data type in bits is?
   1.   4
   2.   32
   3.   16
   4.   64
5. The non-zero value is produced only when expression evaluates to?
   1.   true
   2.   false
   3.   true + false
   4.   none of these
6. The operator which operates on three operands is called?
   1.   unary
   2.   binary
   3.   ternary
   4.   all of these
7. The process of assigning values to a variable at the time of declaration is___?
   1.   definition
   2.   assignment
   3.   initialization
   4.   definition + assignment
8. The term identifier is used to represent names of ____ in a program?
   1.   variables
   2.   functions
   3.   labels
   4.   all of these
9. The unsigned int cannot handle following type of values?
   1.   positive
   2.   fractional
   3.   negative
   4.   fractional + negative
10. What is the value of variable at the time of its declaration?
    1.   defined
    2.   null
    3.   zero
    4.   garbage
11. Which of the following is a standard input function?
    1.   printf()
    2.   int()
    3.   scanf()
    4.   sqrt()
12. Which of the followings have predefined meaning in C?
    1.   standard identifiers
    2.   reserved words
    3.   keywords
    4.   all of these
13. Which of the following is a “not equals to operator”?
    1.   >=
    2.   <=
    3.   !=
    4.   none of these
14. Which of the following is a valid syntax for variable declaration?
    1.   data_type variable_name;
    2.   data_type;
    3.   variable_name;
    4.   none of these
15. Which of the following is a valid variable initialization?
    1.   int x
    2.   int x=50
    3.   int z;
    4.   int x=50;