Algorithm to find sum of given data values until a negative value is entered:

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Algorithm to find sum of given data values until a negative value is entered

Algorithm: SumUntilNegative
1.  Initialize SUM = 0
2.  Start Loop:
3.      Read NUMBER
4.      If NUMBER < 0 Then
5.          Exit Loop
6.      Else
7.          SUM = SUM + NUMBER
8.      End If
9.  End Loop
10. Print SUM
11. End

Algorithm and Flowchart to compute the volume of a sphere
- Algorithm:
  
  Algorithm: CalculateSphereVolume 1. Start 2. Define PI = 3.1416 3. Read RADIUS (r) 4. Calculate VOLUME (V) = (4/3) * PI * r^3 5. Display VOLUME (V) 6. End
- Flowchart (text description):
  
  Start (Terminal shape)
  
  $\downarrow$
  
  Set PI = 3.1416 (Process shape)
  
  $\downarrow$
  
  Input RADIUS (r) (Input/Output shape)
  
  $\downarrow$
  
  Calculate VOLUME = (4/3) * PI * r^3 (Process shape)
  
  $\downarrow$
  
  Output VOLUME (Input/Output shape)
  
  $\downarrow$
  
  End (Terminal shape)

Pseudocode for how to polish your shoes

Pseudocode: PolishShoes
1.  Start
2.  Gather materials: shoes, shoe polish, brush, soft cloth.
3.  Clean shoes: Use the soft cloth to wipe off any dirt or dust from the shoes.
4.  Apply polish: Take a small amount of shoe polish with the brush and apply it evenly over the entire surface of the shoes.
5.  Let dry: Allow the polish to dry for a few minutes.
6.  Buff: Using a clean section of the soft cloth, rub the shoes vigorously until they achieve a desired shine.
7.  End

Algorithm to input three sides of a triangle and print if it is scalene, isosceles or equilateral

Algorithm: ClassifyTriangle
1.  Start
2.  Read side A, side B, side C
3.  If (A + B > C) AND (A + C > B) AND (B + C > A) Then
4.      If (A = B) AND (B = C) Then
5.          Print "Equilateral Triangle"
6.      Else If (A = B) OR (B = C) OR (A = C) Then
7.          Print "Isosceles Triangle"
8.      Else
9.          Print "Scalene Triangle"
10.     End If
11. Else
12.     Print "Invalid Triangle (sides cannot form a triangle)"
13. End If
14. End

Flowchart for buying stationery from the market (text description)
- Start (Terminal shape)
- $\downarrow$
- Make a list of needed stationery items (Process shape)
- $\downarrow$
- Decision: Do I have enough money? (Diamond shape)
  
  If No: $\rightarrow$ Go to ATM / Borrow money (Process shape) $\rightarrow$ Connects back to "Decision: Do I have enough money?"
  
  If Yes: $\downarrow$
- Go to the stationery shop (Process shape)
- $\downarrow$
- Find the required items (Process shape)
- $\downarrow$
- Decision: Are all items available? (Diamond shape)
  
  If No: $\rightarrow$ Go to another shop / Buy alternatives (Process shape) $\rightarrow$ Connects back to "Find the required items"
  
  If Yes: $\downarrow$
- Go to the billing counter (Process shape)
- $\downarrow$
- Pay for the items (Process shape)
- $\downarrow$
- Collect the items and receipt (Process shape)
- $\downarrow$
- Return home (Process shape)
- $\downarrow$
- End (Terminal shape)
Flowchart for the steps required to play music stored in a CD (text description)
- Start (Terminal shape)
- $\downarrow$
- Get a music CD (Process shape)
- $\downarrow$
- Get a CD player (Process shape)
- $\downarrow$
- Decision: Is the CD player plugged in and powered on? (Diamond shape)
  
  If No: $\rightarrow$ Plug in CD player and turn on power (Process shape) $\rightarrow$ Connects back to "Decision: Is the CD player plugged in and powered on?"
  
  If Yes: $\downarrow$
- Open the CD tray (Process shape)
- $\downarrow$
- Place the CD into the tray (label side up) (Process shape)
- $\downarrow$
- Close the CD tray (Process shape)
- $\downarrow$
- Decision: Are speakers/headphones connected and turned on? (Diamond shape)
  
  If No: $\rightarrow$ Connect speakers/headphones and turn on (Process shape) $\rightarrow$ Connects back to "Decision: Are speakers/headphones connected and turned on?"
  
  If Yes: $\downarrow$
- Press the 'Play' button on the CD player (Process shape)
- $\downarrow$
- Adjust volume (Process shape)
- $\downarrow$
- End (Terminal shape)
Flowchart to accept two numbers, if the first number is greater than the second number, print their sum, otherwise print their product (text description)
- Start (Terminal shape)
- $\downarrow$
- Input Num1 (Input/Output shape)
- $\downarrow$
- Input Num2 (Input/Output shape)
- $\downarrow$
- Decision: Is Num1 > Num2? (Diamond shape)
  
  If Yes: $\rightarrow$ Calculate SUM = Num1 + Num2 (Process shape) $\rightarrow$ $\downarrow$
  
  If No: $\rightarrow$ Calculate PRODUCT = Num1 * Num2 (Process shape) $\rightarrow$ $\downarrow$
- Output Result (SUM or PRODUCT) (Input/Output shape - where the two paths merge)
- $\downarrow$
- End (Terminal shape)

Algorithm to find sum of given data values until a negative value is entered:

Step-by-step solution

Algorithm to find sum of given data values until a negative value is entered

Algorithm and Flowchart to compute the volume of a sphere

Pseudocode for how to polish your shoes

Algorithm to input three sides of a triangle and print if it is scalene, isosceles or equilateral

Flowchart for buying stationery from the market (text description)

Flowchart for the steps required to play music stored in a CD (text description)

Flowchart to accept two numbers, if the first number is greater than the second number, print their sum, otherwise print their product (text description)

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