CALA
CALA COMPONENT: B
LEARNING AREA: COMPUTER SCIENCE
LEVEL: FORM THREE
CALA TYPE: PRACTICAL
SYLLABUS TOPIC: PROGRAMMING page 20
SUB- TOPIC: INTERFACE DESIGN
CALA TITLE: DESIGNING A CALCULATOR
COMPETENCIES/SKILLS:
Research, Problem-solving, Design, Develop and Testing
BACKGROUND
In your community, there are areas where calculations are still manually done.
THE CALA:
The CALA had two parts, Part A and Part B
Part A
Carry research in your area where calculations are performed.
Present your findings showing the most common calculation used in your area.
Part B
Design a calculator using any programming software of your choice
CALA TIP
You may use any research instruments of your choice.
You are reminded to choose the programming language that you are conversant in.
LEARNER CALA GUIDE
CALA COMPONENT: B
LEARNING AREA: COMPUTER SCIENCE
LEVEL: FORM THREE
CALA TYPE: PRACTICAL
SYLLABUS TOPIC: PROGRAMMING page 20
SUB- TOPIC: INTERFACE DESIGN
CALA TITLE: DESIGNING A CALCULATOR
COMPETENCIES/SKILLS:
Research, Problem-solving, Design, Develop and Testing
BACKGROUND
In your community, there are different types of calculations done.
THE CALA:
The CALA had two parts, Part A and Part B
Part A
Carry out research in your area to find the types of calculations done in your area.
[10]
Present your findings showing the most common calculation used in your area.
Part B
Design a calculator using any programming software of your choice
CALA TIP
You may use any research instruments of your choice.
You are reminded to choose the programming language that you are conversant in.
HOW YOU WILL BE ASSESSED
Marks will be awarded for:
Carrying out research.
Presentation of your findings showing common calculation.
Design a calculator
TEACHER CALA GUIDE
CALA COMPONENT: B
LEARNING AREA: COMPUTER SCIENCE
LEVEL: FORM THREE
CALA TYPE: PRACTICAL
SYLLABUS TOPIC: PROGRAMMING page 20
SUB- TOPIC: INTERFACE DESIGN
CALA TITLE: DESIGNING A CALCULATOR
COMPETENCIES/SKILLS:
Research, Problem-solving, Design, Develop and Testing
BACKGROUND
In your community, there are different types of calculations done.
THE CALA:
The CALA had two parts, Part A and Part B
Part A
Carry out research in your area to find the types of calculations done in your area. [10]
Present your findings showing the most common calculation used in your area. [5]
Part B
Design a calculator using any programming software of your choice [15]
CALA TIP
You may use any research instruments of your choice.
You are reminded to choose the programming language that you are conversant in.
OBJECTIVES TO BE ACHIEVED
By the end of the CALA the learner should be able to:
Carrying out research.
Presentation of your findings showing common calculation.
Design a calculator.
CALA ASSESSEMENT PROCEDURE
Assessment will be based on evidence of:
Carrying out research showing the research instruments used.
Presentation of your findings showing common calculation.
Design a calculator.
ACHIEVEMENT STANDARD
SCHOOL NAME: MAZOWE HIGH SCHOOL
NAME: SURNAME: COMPONENT: B
DATE OF SUBMISSION: LEARNING AREA: COMPUTER SCIENCE LEVEL: FORM 3
TITLE: DESIGN A CALCULATOR
DIMENSIONS/ EXCELLENT MARK GOOD MARK SATISFACTORY MARK UNSATISFACTORY MARK INADEQUATE MARK
CRITERIA
10 10-9 8-7 6-5 4-3 2-0
Develop strong Very strong Strong research Satisfactory strong Unsatisfactory strong Nothing showing
research skills to research skills to skills to find types research skills to find research skills to find research was done
find types of find types of of calculations types of calculations types of calculations
calculations calculations
5 5 4 3 2 1-0
Develop strong Very strong Strong presentation Satisfactory No presentation skills of Unable presentation
presentation skills presentation skills skills of findings presentation skills of findings of findings
to findings of findings findings
15 15-13 12-10 9-7 6-4 3-0
Develop good design Very good Good calculator Satisfactory calculator Unsatisfactory calculator No design
skills for a calculator
calculator
TOTAL
Marking guide
Listing of types of calculations 10
Show the most common used calculation from your findings 5
Interface of a calculator 5
Calculator layout
Mathematical operation button 4
Display box 2
Calculation and clear button 4
