An app can be used to record two players' scores on a 9 hole mini-golf course - Scottish Highers Computing Science - Question 7 - 2022
Question 7
An app can be used to record two players' scores on a 9 hole mini-golf course.
A player wins a hole if they have fewer shots than their opponent. For example,
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Worked Solution & Example Answer:An app can be used to record two players' scores on a 9 hole mini-golf course - Scottish Highers Computing Science - Question 7 - 2022
Step 1
One boundary of this app is that the app is for games between exactly two players. State two other boundaries for this app.
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Answer
The app is limited to a 9 hole mini-golf format.
The input scores must be non-negative integers.
Step 2
Complete the diagram to show the data flow for the program.
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Answer
playerAname
playerBname
playerAscores()
playerBscores()
Step 3
Using a design technique of your choice, refine the following step.
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Answer
Initialize counters for wins:
winsA = 0
winsB = 0
Loop through each hole:
For each hole, compare scores:
If player A has a lower score, increment winsA by 1.
Else if player B has a lower score, increment winsB by 1.
Display results:
If winsA > winsB, display "Player A wins!"
Else if winsB > winsA, display "Player B wins!"
Otherwise, display "It's a draw!"
Step 4
Describe the error.
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Answer
The error is that the function call holesInOne[playerAname, playerAscores()] should not directly index into the function. It requires passing an array of scores, rather than the player's name.
Step 5
Using a programming language of your choice, correct the error described in part (i).
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Correct function call: SEND playerAname & " has scored " & holesInOne(playerAscores()) & " hole(s)-in-one" TO DISPLAY.
Step 6
Describe how the position of the declaration of a variable, within code, determines its scope.
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Answer
The scope of a variable is determined by where it is declared. If declared inside a function, it is local and inaccessible outside. If declared globally, it is accessible throughout the program.
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