Calibre Academy’s Higher Biology class are going on a
field trip. They have been given the task of
cataloguing the number of common minibeasts found w
ithin one square metre
of woodland. To do
this, they lay a quadrat over an area of ground, no
te the coordinates of each minibeast they find and
take a close-up digital photograph as evidence.
The class will create a program to store the name and grid position of 6 common minibeasts.
Part 1
The students from Calibre Academy will write a program to store the position of each common
minibeast.
The software will
?
Allow one of six minibeasts to be selected from a menu.
?
Enter and store the name and grid coordinate of the selected minibeast.
?
Display how often each minibeast was found.
?
Display the minibeasts found at a selected coordinate.
How the program should work
Entering the log data
The user should select the name of each minibeast found from the menu shown below:
1.
Slug
2.
Centipede
3.
Ladybird
4.
Snail
5.
Woodlouse
6.
Worm
7.
Exit
Selection is made by entering the relevant number.
Scottish Qualifications Authority
8
Coursework Task C206/12
Higher Computing
2012/2013
Once a minibeast is selected the coordinate of
where the minibeast was found should be input and
validated.
The data shown below should be entered into the program.
Minibeasts Coordinates
2 A6
1 D1
6 H7
4 B3
4 A2
3 J2
6 H0
1 B3
1 F9
7
Displaying how often each minibeast was found
How often each minibeast was found should be displayed as shown below.
Minibeast Number found
1 3
2 1
3 1
4 2
5 0
6 2
Displaying the minibeast found at a selected coordinate
The user will enter a coordinate (for example B3).
The minibeasts found at the selected coordina
te should be displayed as shown below.
At coordinate B3 the follo
wing minibeasts were found:
1
4
Scottish Qualifications Authority
9
Coursework Task C206/12
Higher Computing
2012/2013
Main A
lgorithm
1.
Start Loop
2.
Select valid number from menu
3.
If number is not 7
4.
Enter a valid grid coordinate
5.
End if
6.
End conditional loop when 7 is chosen
7.
Display how many of each minibeast were found
8.
Ask user to enter a coordinate and displa
y the minibeasts found at that coordinate
What you have to do:
Tasks Evidence required Marks
1 Indicate data flow on the main algorithm. Algorithm with data flow.
2
2 Refine steps 4, 7, 8. Pseudocode for steps
7
3 Using a software development environment of
your choice, implement the algorithm.
Use separate sub-progr
ams where appropriate.
Use parameter passing where appropriate.
Listing of implemented
program.
16
4 Test the program with the data provided. Hard copy of results for
given test run.
1
Minibeasts Coordinates
2 A6
1 D1
6 H7
4 B3
4 A2
3 J2
6 H0
1 B3
1 F9
7
5 Test the program with your own test data to ensure
robustness.
Hard copy of your test
results and report on the
robustness of the
program.
2
6 Evaluate maintainability. Brief report on
maintainability of
program code.
2
Scottish Qualifications Authority
10
Coursework Task C206/12
Higher Computing
2012/2013
Part 2
The class have been awarded a school grant of £15
00 to purchase equipment they require for their
field trip.
To record the results the class will purchase a tablet PC
. To ensure sustainability of the project with
future classes a minimum specification for the tablet is stated.
To keep a visual record of each minibeast found,
the class will require a high resolution, digital SLR
camera capable of capturing close up images with
a magnification of 1:1. To obtain this
magnification an additional lens may have to be pur
chased for the camera. As pictures may often be
taken in low light, the camera should be capable of
taking pictures at an ISO (light sensitivity) setting
of at least 1600.
To catalogue the captured images a database appli
cation should be purchased for the tablet PC.
An external solid state drive should be purchased
to back up the program data and photographs on
site.
?
Tablet PC
?
Dual Core 1Ghz Processor
?
Minimum 1Gb RAM
?
Minimum 32Gb of backing storage
?
Minimum screen resolution of 1280
?
800
?
Digital SLR Camera
?
Minimum 15 megapixel resolution
?
Maximum ISO setting of at least 1600
?
Macro Lens capable of 1:1 (or
?
1) magnification
?
Built in Flash
?
External Solid State Drive
?
Minimum 128Gb
?
Minimum data transfer rate of 500Mbit/s
?
Robustness
?
Database software to catal
ogue digital camera images
?
Capable of storing several field types including images
?
One other software feature

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