Which of the Following Code Fragments Calculates the Average of 5

question 29

Multiple Choice

Which of the following code fragments calculates the average of 5 numbers input with an input box, and displays the result in lblResult?

• A) intCount = 5
• intSum = 0
• Do While intCount = 5
• IntSum = CInt(InputBox("enter a number"))
• SngAvg = intSum / intCount
• LblResult.Text = sngAvg.ToString()
• Loop
• B) intCount = 0
• intSum = 0
• Do While intCount < =5
• IntValue = CInt(InputBox("enter a number"))
• IntSum = intSum + intValue
• Loop
• SngAvg = intSum / intCount
• LblResult.Text = sngAvg.ToString()
• C) intCount = 0
• intSum = 0
• Do While intCount < = 5
• IntValue = CInt(InputBox("enter a number"))
• IntSum = intSum + intValue
• IntCount += 1
• Loop
• SngAvg = intSum / intCount
• LblResult.Text = sngAvg.ToString()
• D) intCount = 0
• intSum = 0
• Do While intCount < 5
• IntValue = CInt(InputBox("enter a number"))
• IntSum = += intValue
• IntCount += 1
• Loop
• SngAvg = intSum / intCount
• LblResult.Text = sngAvg.ToString()

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Definitions:

Vertical Exaggeration

A scale manipulation technique used in topographical maps or models to emphasize the vertical features by increasing their height relative to the horizontal aspects.

Permeability

The ability of a material, such as rock or soil, to allow fluids to pass through it, important in determining the movement of water and hydrocarbons in the Earth.

Water Table

The upper surface of the zone of saturation in the ground where soil or rocks are permanently saturated with water.

Topography

The arrangement of natural and artificial physical features of an area, including its relief, and the position of these features.