Datatype, C#.NET

Datatype

Question: What is the default value of a decimal in C#?
A
0.0

B
0.0M

C
0

D
Null

Note: Not available
1. Report
Question: Which type represents an unsigned 32-bit integer in C#?
A
byte

B
ushort

C
uint

D
ulong

Note: Not available
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Question: What does float.NaN represent in C#?
A
Not an Integer

B
Null value

C
Infinity

D
Not a Number

Note: Not available
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Question: What is the difference between int and uint?
A
int can hold decimal values

B
uint cannot be negative

C
uint is a 16-bit integer

D
They are the same

Note: Not available
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Question: Which of the following represents a collection of bytes in C#?
A
List<byte>

B
Array

C
BitArray

D
byte[]

Note: Not available
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Question: What keyword allows a variable's data type to be determined at runtime?
A
var

B
dynamic

C
object

D
any

Note: Not available
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Question: Which of these is immutable in C#?
A
String

B
Array

C
List

D
List

Note: Not available
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Question: Which data type can store the value of null without additional configuration?
A
int

B
string

C
bool

D
char

Note: Not available
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Question: What is the size of a long type in C#?
A
4 bytes

B
8 bytes

C
16 bytes

D
2 bytes

Note: Not available
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Question: Which type is most commonly used for currency calculations in C#?
A
float

B
decimal

C
double

D
int

Note: Not available
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Question: What is the default value of a decimal in C#?