.NET Programming MCQs with answers Page - 3

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Q. Type of Conversion in which compiler is unable to convert the datatype implicitly is ?

  • (A) ushort to long
  • (B) int to uint
  • (C) ushort to long
  • (D) byte to decimal

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Q. Scope of variable is related to definition of variable as:
1. Region of code within which variable value is valid and hence can be accessed.
2. No, relation with region where variable is declared its value is valid in entire scope.

  • (A) a
  • (B) b
  • (C) a, b
  • (D) None of the mentioned

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Q. Which datatype should be more preferred for storing a simple number like 35 to improve execution speed of a program?

  • (A) sbyte
  • (B) short
  • (C) int
  • (D) long

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

  • (A) 1.5 * 10 ^-40 to 3.4 * 10 ^38
  • (B) 1.5 * 10 ^-45 to 3.4 * 10 ^30
  • (C) 1.5 * 10 ^-45 to 3.4 * 10 ^38
  • (D) 1.5 * 10 ^-45 to 3.4 * 10 ^37

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Q. Which does the solution explorer not display?

  • (A) Form Properties
  • (B) Reference Folder
  • (C) Form File
  • (D) Assemble File

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Q. The Button control can be activated:

  • (A) programmatically through the click event.
  • (B) by clicking the button with the mouse.
  • (C) with the form’s DefaultButton property.
  • (D) Both a and b.

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Q. Which sequence of char data types is listed from lowest to highest?

  • (A) , A, z, Z
  • (B) a, z, A, Z
  • (C) A, a, Z, z
  • (D) A, Z, a, z

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Q. The Boolean data type:

  • (A) is unsigned.
  • (B) has two states.
  • (C) is displayed by the program as yes or no.
  • (D) Both a and b.

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Q. VB.Net identifiers:

  • (A) are case sensitive.
  • (B) can begin with an underscore.
  • (C) can begin with a number.
  • (D) Both a and b.

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Q. The proper operator precedence, from first to last, is

  • (A) logical, comparison, and arithmetic.
  • (B) arithmetic, comparison, and logical.
  • (C) arithmetic, logical, and comparison.
  • (D) comparison, arithmetic, and logical.

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