Datatypes - General Questions (2)

Which of the following statements is correct about the C#.NET code snippet given below?

short s1 = 20;
short s2 = 400;
int a;
a = s1 * s2;

A.	A value 8000 will be assigned to a.
B.	A negative value will be assigned to a.
C.	During arithmetic if the result exceeds the high or low value of the range the value wraps around till the other side of the range.
D.	An error is reported as widening conversion cannot takes place.
E.	An overflow error will be reported since the result of the multiplication exceeds the range of a Short Integer.

Answer: Option A

Explanation:

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10.

What will be the output of the following code snippet when it is executed?

int x = 1;
float y = 1.1f;
short z = 1;
Console.WriteLine((float) x + y * z - (x += (short) y));

A.	0.1
B.	1.0
C.	1.1
D.	11

Answer: Option A

Explanation:

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11.

What is the size of a Decimal?

A.	4 byte
B.	8 byte
C.	16 byte
D.	32 byte

Answer: Option C

Explanation:

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12.

Which of the following does not store a sign?

A.	Short
B.	Integer
C.	Long
D.	Byte
E.	Single

Answer: Option D

Explanation:

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13.

Which of the following are value types?

Integer

Array

Single

String

Long

A.	1, 2, 5
B.	1, 3, 5
C.	2, 4
D.	3, 5

Answer: Option B

Explanation:

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14.

Which of the following statements is correct?

A.	Information is never lost during narrowing conversions.
B.	The CInteger() function can be used to convert a Single to an Integer.
C.	Widening conversions take place automatically.
D.	Assigning an Integer to an Object type is known as Unboxing.
E.	3.14 can be treated as Decimal by using it in the form 3.14F.

Answer: Option C

Explanation:

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15.

Which of the following is NOT an Integer?

A.	Char
B.	Byte
C.	Integer
D.	Short
E.	Long

Answer: Option A

Explanation:

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16.

Which of the following is an 8-byte Integer?

A.	Char
B.	Long
C.	Short
D.	Byte
E.	Integer

Answer: Option B

Explanation:

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Datatypes - General Questions (2)

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