.NET Fundamentals

What does CLR stand for?

• Compilation

  Language

  Reduction

• Common

  Level

  Runtime

• Communication

  Language

  Restriction

• Common

  Language

  Runtime

Data type to use in 523021?

• short

• long

• int

• float

Max value you can store in a BYTE?

• 225

• 255

• 250

• 220

What data type should you use for 1234567.89?

• float

• double

• decimal

Answer explanation

Float - 7 digits (32 bit)

Double-15-16 digits (64 bit)

Decimal -28-29 significant digits (128 bit)

Can an array store different data types in an instance?

• Yes

• No

When declaring an array, do you need to identify the number of elements?

• Yes

• No

What's the value of x?

var x = 10;

var y = 0;

y += x;

x++;

• 12

• 11

• 10

• 13

How many times will this while loop execute?

var number = 1;

while (numbers < 10)

{

number += 3;

}

• 2

• 3

• 4

• 5

How to set a string to UPPERCASE?

• toUpper()

• ToUpper

• toUpper

• ToUpper()

How can we open a file in C#?

• FileInfo.Open(path)

• File.Open(path, mode)

• new FileInfo.Open(path)

• file.Open(path, mode)