Explore topic-wise MCQs in Csharp.

This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Csharp knowledge and support exam preparation. Choose a topic below to get started.

1.

4000004$

A. 0.4000023
B. 0.0400021
C. 0.4000001
Answer» D.
Discussion
2.

Select appropriate difference between decimal, float and double data type in C# ?

A. Float and Double are floating binary point types while decimal is a floating decimal point type.
B. Precision difference for float is ‘7’ digit for double is ’15’ to ’16’ digit and for decimal is ’28’ to ’29’ digits.
C. Some values which cannot be exactly represented hence for those values float and double are more appropriate.
D. 1
Answer» C. Some values which cannot be exactly represented hence for those values float and double are more appropriate.
Discussion
3.

Minimum and Maximum range of values supported by ‘float’ data type are ?$

A. 1.5 * 10<sup>-40</sup> to 3.4 * 10<sup>38</sup>
B. 1.5 * 10<sup>-45</sup> to 3.4 * 10<sup>30</sup>
C. 1.5 * 10<sup>-45</sup> to 3.4 * 10<sup>38</sup>
D. 1.5 * 10<sup>-45</sup> to 3.4 * 10<sup>37</sup>
Answer» D. 1.5 * 10<sup>-45</sup> to 3.4 * 10<sup>37</sup>
Discussion
4.

Correct way to define a value 6.28 in a variable ‘pi’ where value cannot be modified ?$

A. define pi 6.28F
B. pi = 6.28F
C. const float pi = 6.28F
D. const float pi
Answer» D. const float pi
Discussion
5.

Valid Size of float data type is ?

A. 10 Bytes
B. 6 Bytes
C. 4 Bytes
D. 8 Bytes
Answer» D. 8 Bytes
Discussion