Programming Quiz: Conditional Statements And Strings!

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| By KretschK
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Quizzes Created: 9 | Total Attempts: 7,301
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  • 1/15 Questions

    An If statement always needs an Else statement.

    • True
    • False
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About This Quiz

Are you a programmer looking for a trivia quiz on conditional statements and strings? The quiz below is designed to help you see just how much you know about the basic symbols in a string and how one should write a given code. Do give it a try and get a chance to refresh your understanding so far, Al the best!

Programming Quiz: Conditional Statements And Strings! - Quiz

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  • 2. 

    The condition in an If structure must always evaluate to _____.  

    • 0 or 1

    • -1 or 0

    • Negative or positive

    • True or false

    Correct Answer
    A. True or false
    Explanation
    The condition in an If structure must always evaluate to either true or false. In programming, the condition is a logical expression that determines whether the code block inside the if statement should be executed or not. If the condition evaluates to true, the code block is executed, otherwise it is skipped. Therefore, the condition can only have two possible outcomes: true or false.

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  • 3. 

    Consider the following code Dim foo as String = "Chuck Berry" What is returned from the following statement: foo.EndsWith("ry")

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The EndsWith method is used to check if a string ends with a specified value. In this case, the string "Chuck Berry" does end with "ry", so the statement foo.EndsWith("ry") would return True.

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  • 4. 

    The comparison that checks if a variable called intAge is at least 18 is:

    • If intAge > 18 Then

    • If intAge

    • If intAge >= 18 Then

    • If IntAge < 18 Then

    Correct Answer
    A. If intAge >= 18 Then
    Explanation
    This comparison statement checks if the value of the variable intAge is greater than or equal to 18. If the condition is true, it means that the intAge variable represents an age that is at least 18 years old.

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  • 5. 

    Consider the following code Dim foo as String = "Snoopy" What is returned from the following statement: foo.trimright("y")

    Correct Answer
    Snoop
    Explanation
    The code snippet declares a variable "foo" of type String and assigns it the value "Snoopy". The "trimright" function is then called on the variable "foo" with the argument "y". This function removes any trailing occurrences of the specified character from the end of the string. In this case, since the character "y" is at the end of the string "Snoopy", it gets removed, resulting in the string "Snoop".

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  • 6. 

    Consider the following code Dim foo as String = "Elvis Presley" What is returned from the following statement: foo.length()

    Correct Answer
    13
    Explanation
    The code declares a variable named "foo" and assigns it the value "Elvis Presley". The statement "foo.length()" is used to determine the length of the string stored in the variable "foo". In this case, the length of the string "Elvis Presley" is 13 characters, so the answer is 13.

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  • 7. 

    String comparisons are always case sensitive.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    String comparisons in programming are case sensitive, meaning that the comparison takes into account the uppercase and lowercase letters. For example, "hello" and "Hello" would be considered different strings in a case-sensitive comparison. This is because the ASCII values of the uppercase and lowercase letters are different. Therefore, the correct answer is true.

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  • 8. 

    Consider the following code Dim intA as Integer = 6 Dim intB as Integer = 0 Dim intC as Integer = -1 Is the following expression true or false? If int A < int B OR intC < int B Then

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The expression is true because it evaluates to true if either intA is less than intB or intC is less than intB. In this case, intA is 6 which is not less than intB (0), but intC is -1 which is less than intB. Therefore, at least one of the conditions is true, making the overall expression true.

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  • 9. 

    When comparing these two strings, the expression "Zebra" < "aardvark" is...

    • True

    • False

    Correct Answer
    A. True
    Explanation
    In alphabetical order, "Z" comes after "a", so "Zebra" is greater than "aardvark". Therefore, the expression "Zebra" < "aardvark" is true.

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  • 10. 

    Consider the following code Dim foo as String = "Chuck Berry" Dim bar as String = "Chuck Schumer" What is returned from the following statement: foo > bar

    • True

    • False

    Correct Answer
    A. False
    Explanation
    In this code, the variables "foo" and "bar" are both assigned string values. The statement "foo > bar" is comparing the two strings lexicographically. Since "Berry" comes after "Schumer" alphabetically, the expression "foo > bar" evaluates to False.

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  • 11. 

    Consider the following code Dim foo as String = "Snoop Dogg" What is returned from the following statement: foo.indexOf("g")

    Correct Answer
    8
    Explanation
    The code is declaring a variable "foo" with the value "Snoop Dogg". The statement "foo.indexOf("g")" is used to find the index position of the first occurrence of the letter "g" in the string "foo". Since the letter "g" appears at index position 8 in the string "Snoop Dogg", the answer returned is 8.

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  • 12. 

    Consider the following code: Dim s as Integer = txtName.Text.indexOf(" ")  if s = 0 Then      lblNick.Text = txtName.Text & "san" Else      lblNick.Text.padleft("Dr. " EndIf If I type "Barak Obama" into the Name textbox, what is printed in the Nick label?

    • Obamasan

    • Dr. Barak Obama

    • Barak Obamasan

    • Dr. Obama

    • Baraksan

    Correct Answer
    A. Dr. Barak Obama
    Explanation
    The code first checks if there is a space in the text entered in the "Name" textbox. If there is no space (s = 0), it concatenates the text with "san" and displays it in the "Nick" label. However, if there is a space, it adds "Dr. " to the beginning of the text and displays it in the "Nick" label. So, if "Barak Obama" is entered, the code will add "Dr. " to the beginning and display "Dr. Barak Obama" in the "Nick" label.

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  • 13. 

    Consider the following code Dim foo as String = "Little Richard" What is returned from the following statement: foo.remove(3,2)

    Correct Answer
    Lite Richard
    Explanation
    The code snippet declares a variable "foo" of type String and assigns it the value "Little Richard". The statement "foo.remove(3,2)" is called on the string "foo", which removes a specified number of characters starting from a specified position. In this case, it removes 2 characters starting from the 3rd position, resulting in the string "Lite Richard".

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  • 14. 

    Consider the following code Dim foo as String = "Patty Page" What is returned from the following statement: foo.insert(6, "aa");

    Correct Answer
    Patty Paaage
    Explanation
    The code declares a variable "foo" and assigns it the value "Patty Page". The statement "foo.insert(6, "aa")" inserts the string "aa" at index position 6 in the string "foo". Since the index position starts at 0, the character at index position 6 is the space between "y" and "P". Therefore, the resulting string is "Patty Paaage".

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  • 15. 

    Consider the following variable Dim foobar as String = "Roy Orbison" What is returned by the following statement: foobar.substring(4, 4)

    Correct Answer
    Orbi
    Explanation
    The given statement "foobar.substring(4, 4)" is using the substring method in the string variable "foobar". The method starts at index 4 and returns a substring of length 4. In this case, the substring "Orbi" is returned, which consists of the characters at indices 4, 5, 6, and 7 in the string "Roy Orbison".

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  • Current Version
  • Mar 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Jan 08, 2014
    Quiz Created by
    KretschK
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