IPO Lap Problem 1
• Create a flow chart and IPO for the following
application:
– A user is allowed to enter 5 numbers. The application
should provide summary data for the number set
including the average, min value and max value.
1
IPO 1 Solution - Good
Start
Read in # s
Find Avg, Smallest
and Largest
Output # s
End
2
IPO 1 Solution - Better
Start
Read in # s
Sum 5 # s
Divide Sum by 5 to
find average
Sort # s smallest to
largest
Select 1st # as min
Select last # as max
Output
results
End
3
IPO 1 Solution
Input
Processing
Output
Num 1
Num 2
Num 3
Num 4
Num 5
Processing Items
- Sum
Average
Min Value
Max Value
Algorithm:
1. Enter num 1 through num 5
2. Sum the 5 numbers
3. Calculate average by dividing the sum by
five
4. Sort the numbers smallest to largest
5. Determine the min value by picking the
first number in the list
6. Determine the max value by picking the
last number in the list
7. Output Avg, Min Value and Max Value
4
IPO Lap Problem 2
• Create a flow chart and IPO for the following business
application:
– A local car dealership has contracted with you to develop
a system to approve or reject credit applications.
– From the credit application file you have access to the
applicants name, birthdate and annual income.
– There is a pre built module called “getcreditscore” your
application can invoke to return the applicants credit
score.
– To approve the application the applicant must be 21 and
have an annual income greater than $50,000 or have a
credit score above 750. To be approved the credit score
5
must always be above 600.
IPO 2 Solution - Good
Start
Read in
birthdate &
annual
income
Run
getcreditscor
e
Default status to
accepted
Determine age
Set status to
rejected if age is
under 21
Set status to
rejected if credit
score is under 600
Set status to
rejected if annual
income < $50k and
credit score below
750
Output
status
End
6
IPO 2 Solution
Input
Processing
Output
Annual Income
Birthdate
Cred Score
Processing Items
- None
Status
Algorithm:
1. Read in Birthdate and Annual Income
2. Obtain Credit Score
3. Calculate Age
4. Set Status to rejected if age < 21
5. Set Status to rejected if credit score < 600
6. Set Status to rejected if annual income <
$50k and credit score < 750
7. Output Status
7
IPO 2 Solution - Better
Start
Read in
birthdate &
annual
income
Default status to
accepted
Determine age
Age < 21
T
Set Status to
rejected
Output
Status
F
T
T
Run
getcreditscor
e
Credit Score <
600
F
End
F
Annual Income <
$50K and CS <
750
8
IPO Lap Problem 3
• Create a flow chart and IPO for the following business
application:
– The local car dealership loved the work you did in the
credit application system and would like to hire you help
with a module in their payroll system to calculate annual
bonuses for their sales team.
– There are 25 associates on their sales team. Their total
pay is made up of their base salary and commission pay.
9
IPO Lap Problem 3 (cont.)
• Create a flow chart and IPO for the following business
application:
– Each associate is evaluated annually and given a
performance rating of either A (consistently exceeding
expectations), B (often exceeding expectations), C
(meeting expectations) or D (did not meet expectations)
– To be eligible for the bonus the associate must receive at
least a C rating.
– Associates with an A rating receive a 15% bonus
– Associates with a B rating receive a 10% bonus
– Associates with a C rating receive a 5% bonus
10
IPO 3 Solution
Input
Processing
Output
Base Pay
Commission Pay
Performance
Rating
Processing Items
- Total Pay
- Bonus Rate
Bonus Pay
Algorithm:
1. Read in Base Pay, Commission Pay and
Performance Rating
2. Sum Base Pay and Commission Pay to find Total
Pay
3. Default Bonus Rate to 0
3. If Performance Rating is A then set Bonus Rate
to .15
4. If Performance Rating is B then set Bonus Rate
to .10
5. If Performance Rating is C then set Bonus Rate
to .05
6. Set Bonus Pay to Total Pay * Bonus Rate
7. Output Bonus Pay
8. If not 25th employee start back at step 1
11
IPO 3 Solution
Start
Read in Base
Pay and
Commission
Pay
Sum Base Pay and
Commission Pay
F
Default Bonus Rate
to 0
Performance
Rating
A
Set Bonus Rate to
.15
B
C
Set Bonus Rate to
.10
Set Bonus Rate to
.05
Set Bonus Pay to
Total Pay * Bonus
Rate
Display
Bonus Pay
Is 25th Employee
T
End
12