This set of MCQ on VB.net data types, operators, conditions, and loops includes multiple-choice questions on visual basic .net keywords, variables, functions and methods along with the details of their types.
1. ………………… datatype in .Net FCL corresponds integer data type in vb.net.
A) System.Int32
B) System.Int64
C) System.Int16
D) System.Number
2. The data data type in visual basic .net equivalent to ……………… data type in .net FCL.
A) System.Date
B) System.DateTime
C) System.Time
D) System.DateFormat
3. ………………… are symbols used to perform operations; like +, which performs addition operations, -, which performs subtraction operations and so on.
A) Keywords
B) Operators
C) Variables
D) Expressions
4. ……………… are symbolic names given to values stored in memory and declared with the Dim keyword.
A) Keywords
B) Operators
C) Variables
D) Expressions
5. The keyword ……………………, gives variables protected access, which means they are accessible only from within their own class.
A) Protected
B) Friend
C) Protected Friend
D) Private
6. The variables in ………………. access means they are accessible only from within their declaration context, including any nested procedures.
A) Protected
B) Friend
C) Protected Friend
D) Private
7. The …………….. variable is not associated with a specific instance of a class or structure.
A) Protected
B) Shared
C) Shadows
D) Friend
8. The ……………… variable are accessible from within the program that contains their declaration, as well as anywhere else in the same assembly.
A) Protected
B) Friend
C) Protected Friend
D) Private
9. …………….. is used to declare arrays; which gives upper sounds of the dimensions of an array variable.
A) bound
B) bound array
C) bound list
D) bound table
10. ………….. function in vb.net is used to convert character code to character.
A) Char
B) Format
C) Convert
D) Chr
11. ………… function in vb.net converts character to character code.
A) Chr
B) Val
C) Asc
D) Str
12. ……………. function in vb.net converts string to number data type.
A) Chr
B) Val
C) Asc
D) Str
13. Which of the following string handling functions and methods are used to compare two strings.
i) StrComp ii) String.Compare iii) String.Equals iv) String.CompareTo
A) i, ii and iii only
B) ii, iii and iv only
C) i, iii and iv only
D) All i, ii, iii and iv
14. The string handling function, “Mid” in visual basic .net is used to ……………..
i) get a substring ii) insert a substring iii) remove text iv) format string
A) i and ii
B) ii and iii
C) iii and iv
D) i and iii
15. The …………… property in array class of vb .net, returns an integer indicating the number of dimensions of the array.
A) sort
B) reverse
C) rank
D) index of
16. State the following statements are True or False for arrays in visual basic .net are
i) Array are objects in vb .net
ii) Array variables can have the public, protected, friend, private or protected friend specifier
A) True, False
B) False, True
C) True, True
D) False, False
17. In Int32structure ……………….. function converts the string representation of a number of its Int32 equivalent.
A) parse
B) reverse
C) rank
D) index of
18. ………………. method converts the value of the instance to a double representing the OLE Automation date.
A) Date CONV
B) TO OA Date
C) OLE Date
D) Auto Date
Answers
1. A) System.Int32
2. B) System.DateTime
3. B) Operators
4. C) Variables
5. A) Protected
6. D) Private
7. B) Shared
8. B) Friend
9. C) bound list
10. D) Chr
11. C) Asc
12. B) Val
13. D) All i, ii, iii and iv
14. D) i and iii
15. C) rank
16. C) True, True
17. A) parse
18. B) TO OA Date
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