All of the given loops can be used to assign the number 1 to each element in an “intCounters” array. Hence, the correct answer is option “ D ”.

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Chapter 8, Problem 9RQ

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All of the given loops can be used to assign the number 1 to each element in an “intCounters” array.

Hence, the correct answer is option “D”.

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The intNums array is declared as follows: Dim intNums() As Integer = {10, 5, 7, 2}. Which of the following blocks of code correctly calculates the average value stored in the array? The intTotal variable contains the number 0 before the loop is processed. a. For Each intX As Integer In intNums intTotal += intX Next intX dblAvg = intTotal / intNums.Length b. For Each intX As Integer In intNums intTotal += intNums(intX) Next intX dblAvg = intTotal / intX c. For Each intX As Integer In intNums intTotal += intNums(intX) intX += 1 Next intX dblAvg = intTotal / intX d. None of the above.

The intNums array is declared as follows: Dim intNums() As Integer = {10, 5, 7, 2}. Which of the following blocks of code correctly calculates the average value stored in the array? The intTotal, intSub, and dblAvg variables contain the number 0 before the loop is processed. a. Do While intSub < 4 intNums(intSub) = intTotal + intTotal intSub += 1 Loop dblAvg = intTotal / intSub b. Do While intSub < 4 intTotal += intNums(intSub) intSub = intSub + 1 Loop dblAvg = intTotal / intSub c. Do While intSub < 4 intTotal += intNums(intSub) intSub += 1 Loop dblAvg = intTotal / intSub – 1 d. Do While intSub < 4 intTotal = intTotal + intNums(intSub) intSub = intSub + 1 Loop dblAvg = intTotal / (intSub – 1)

The intCounters array contains five elements. Which of the following assigns the number 1 to each element? a. For intSub As Integer = 0 To 4 intCounters(intSub) = 1 Next intSub b. Dim intSub As Integer Do While intSub < 5 intCounters(intSub) = 1 intSub += 1 Loop c. For intSub As Integer = 1 To 5 intCounters(intSub - 1) = 1 Next intSub d. All of the above.