Tag: .net

Questions Related to .net

A sentinel value:
.net

  1. is used to prevent infinite loops.

  2. must be a negative value.

  3. signals the end of a list of data.

  4. Both a and b.

  5. All of the above.

Show answer
Correct Option: C

Which function should be used to validate that input is not a string before performing arithmetic operations?

.net

  1. IsArithmetic

  2. IsNotString

  3. IsNumeric

  4. IsString

  5. IsValue

Show answer
Correct Option: C

AI Explanation

To validate that the input is not a string before performing arithmetic operations, the function that should be used is the IsNumeric function.

Let's go through each option to understand why it is correct or incorrect:

Option A) IsArithmetic - This option is incorrect because there is no built-in function called IsArithmetic in most programming languages. This function does not exist.

Option B) IsNotString - This option is incorrect because there is no built-in function called IsNotString in most programming languages. This function does not exist.

Option C) IsNumeric - This option is correct because the IsNumeric function is commonly used to check if a value can be interpreted as a number. It returns true if the value is numeric and false if it is not.

Option D) IsString - This option is incorrect because the question asks for a function to validate that the input is not a string. The IsString function would be used to check if a value is a string, not the other way around.

Option E) IsValue - This option is incorrect because there is no built-in function called IsValue in most programming languages. This function does not exist.

The correct answer is C) IsNumeric. This option is correct because it allows you to validate that the input is not a string before performing arithmetic operations.

Which is not a type of error programmers look for?

.net

  1. Logic

  2. Runtime

  3. Superficial

  4. Syntax

  5. All are errors programmers look for.

Show answer
Correct Option: C

AI Explanation

To answer this question, let's go through each option to understand why it is correct or incorrect:

Option A) Logic - This option is incorrect because logic errors are a type of error that programmers look for. Logic errors occur when the program runs without any syntax errors, but the output or behavior of the program is not what was intended. These errors can be challenging to identify and fix since they do not cause the program to crash or produce error messages.

Option B) Runtime - This option is incorrect because runtime errors are another type of error that programmers look for. Runtime errors occur during the execution of the program and can cause the program to crash or produce error messages. These errors can be caused by a variety of issues, such as dividing by zero, accessing an invalid memory location, or using a variable before it has been properly initialized.

Option C) Superficial - This option is correct because "superficial" is not a recognized type of error that programmers specifically look for. It is possible that this option refers to errors that are not critical or significant, but in the context of programming, there are no commonly recognized "superficial" errors.

Option D) Syntax - This option is incorrect because syntax errors are also a type of error that programmers look for. Syntax errors occur when the programmer violates the rules of the programming language, such as using incorrect punctuation, misspelling keywords, or using incorrect syntax. These errors are usually identified by the compiler or interpreter and prevent the program from running successfully.

Option E) All are errors programmers look for - This option is incorrect because "superficial" errors are not a recognized type of error that programmers specifically look for.

The correct answer is C) Superficial. This option is correct because "superficial" is not a recognized type of error that programmers specifically look for.

Which action will raise an exception?

.net

  1. Dividing by zero.

  2. Assigning the string "Hi" to an integer variable.

  3. Accessing an empty CD drive.

  4. Both a and b.

  5. All of the above.

Show answer
Correct Option: E

An Exception is another name for a:
.net

  1. compile error.

  2. logic error.

  3. runtime error.

  4. superficial error.

  5. syntax error.

Show answer
Correct Option: C

What is the most number of states a CheckBox can have?
.net

  1. 1

  2. 2

  3. 3

  4. 4

Show answer
Correct Option: C

What is the standard prefix for the name of a CheckBox?

.net

  1. chb

  2. chk

  3. ckb

  4. ckx

  5. cbx

Show answer
Correct Option: B
Explanation:

To determine the standard prefix for the name of a CheckBox, we need to understand common naming conventions and standards used in programming.

In most programming languages, including HTML and ASP.NET, the standard prefix for the name of a CheckBox is typically "chk".

Now, let's go through each option and explain why it is right or wrong:

A. chb: This option is incorrect because "chb" is not the standard prefix for the name of a CheckBox. The standard prefix is "chk".

B. chk: This option is correct. "chk" is the standard prefix for the name of a CheckBox in most programming languages.

C. ckb: This option is incorrect because "ckb" is not the standard prefix for the name of a CheckBox. The standard prefix is "chk".

D. ckx: This option is incorrect because "ckx" is not the standard prefix for the name of a CheckBox. The standard prefix is "chk".

E. cbx: This option is incorrect because "cbx" is not the standard prefix for the name of a CheckBox. The standard prefix is "chk".

The Answer is: B

A CheckBox can also appear as a(n):

.net

  1. button.

  2. RadioButton.

  3. ScrollBar.

  4. Both a and b.

  5. All of the above.

Show answer
Correct Option: A
Explanation:

To answer this question, the user needs to know what a checkbox is and how it appears in a graphical user interface.

A checkbox is a user interface element that allows the user to select one or more options. The checkbox typically appears as a square box that can be checked or unchecked. When the box is checked, it indicates that the option is selected. When it is unchecked, the option is not selected.

Now, let's go through each option and explain whether it is right or wrong:

A. button: This option is correct. A checkbox can also appear as a button, which allows the user to select an option by clicking on it.

B. RadioButton: This option is incorrect. A RadioButton is a different type of user interface element that allows the user to select only one option from a group of options.

C. ScrollBar: This option is incorrect. A ScrollBar is a user interface element that allows the user to scroll through a long list or document.

D. Both a and b: This option is incorrect because RadioButton is not a valid answer for this question.

E. All of the above: This option is incorrect because Checkbox does not appear as ScrollBar.

Therefore, the correct answer is:

The Answer is: A

What is the standard prefix for the name of a RadioButton?
.net

  1. rad

  2. rab

  3. rdo

  4. rdb

  5. rbt

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Correct Option: A

How many RadioButtons in a Group Box can be selected at the same time?

.net

  1. 1

  2. 2

  3. 3

  4. 4

Show answer
Correct Option: A