Question

The following pseudocode algorithm has an error. It is supposed to use values input for a rectangular room’s length and width to calculate and display its area. Find the error. area $=$ width $\times$ length. Display "What is the room's width?". Input width. Display "What is the room's length?". Input length. Display area.

Short answer

" 2. Input width 3. Display "What is the room's length?" 4. Input length 5. Calculate area: area = width x length 6. Display area 4. Step-by-step explanation: 1. Ask the user for the room's width and take the input for the width value. 2. Ask the user for the room's length and take the input for the length value. 3. Calculate the area of the room by multiplying the width and length values. 4. Display the calculated area of the room to the user.

Step-by-step solution

Identify the error

In the given pseudocode, the area is being calculated before the inputs for width and length are taken. This means that the area will be calculated using uninitialized or garbage values for width and length.

Correct the error

To correct the error, the order of the pseudocode needs to be changed, so that the inputs for width and length are taken before calculating the area.

Corrected pseudocode

Here is the corrected pseudocode: 1. Display "What is the room's width?" 2. Input width 3. Display "What is the room's length?" 4. Input length 5. Calculate area: area = width x length 6. Display area

Step-by-step explanation

1. Display a message asking for the room's width and take the user's input for the width value. 2. Display a message asking for the room's length and take the user's input for the length value. 3. Calculate the area of the room by multiplying the width and length values. 4. Display the calculated area of the room to the user.