Digital Graphics Processing

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Information and Software Technology Program

Epping Boys’ High School

Software,

Algorithms

And

Programming

Unit Overview and Rationale

In this unit of work student are introduced to the basics of software development. Students examine the nature of software and programming languages. They are introduced to the idea that algorithms can be used to best design software solutions and students build skills in solving problems using pseudocode and flowcharting. Students then implement their solutions using Liberty Basic. This language quickly allows students to come to terms with building applications. Students will be work through a number of exercises designed to give them experience with different data types and control structures.

Students also complete a number of research worksheets to help them build their knowledge. All materials needed by the students can be found on the school’s Intranet. ( http://webserver/computing/Programming1/index.html

)

Unit Length:

TERM 3 9 - 10 Weeks

Syllabus Topics Covered

Topic 3 (Data Handling)

Data Coding

Topic 7 (Software)

Software Systems

Types and Examples of Software

Topic 5 (Issues)

Legal Issues

Ethical Issues

Social Issues

Option 8 Software Development and Programming

Programming Languages

Basic programming concepts

Basic Data Types

Data Operators

Algorithms

Control Structures

Desk checking

Sub programs

Targeted Outcomes

5.1.1 selects and justifies the application of appropriate software programs to a range of tasks

5.2.1 describes and applies problem-solving processes when creating solutions

5.2.2 designs, produces and evaluates appropriate solutions to a range of challenging problems

5.2.3 critically analyses decision-making processes in a range of information and software solutions

5.3.1 justifies responsible practices and ethical use of information and software technology

5.3.2 acquires and manipulates data and information in an ethical manner.

Assessment

Classroom Learning Activities (focusing on the ‘Learn Tos’.)

End of Unit Topic Test (focusing on the ‘Learn Abouts’.)

Project and related Portfolio

TOTAL

25%

25%

50%

100%

Project Description

Students work through a number of set problem solving exercises where they are required to develop algorithms and build solutions using Liberty Basic

1

Information and Software Technology Program

Epping Boys’ High School

Activities / Integrated Learning Experiences

Students research the Programming1 website on the intranet and discuss the purpose and nature of software. Students then complete a worksheet on the topic.

( http://webserver/computing/Programming1/index.html

) OR

( http://www.eppingboys.nsw.edu.au/computing/intranet/Programming1/index.html

)

Students research and discuss

Lega

l and E

thical issues

related to the

production

,

distribution

,

licensing

and

use

of software. Teacher lead discussion is essential.

The Business Software Association of Australia site provides most of the answers to these questions. http://www.bsaa.com.au/index.html

(Worksheet 2) The teacher should record the completion of worksheet exercises and discussed the answers with the class.

Students Learn About

Software systems

 the purpose of a software system

Types and examples of software

 system including

– operating utility

 application including customised

Legal issues

such as

 copyright and/or licensing piracy intellectual property security and protection including

 viruses legislation such as Antidiscrimination, Equal

Employment Opportunity,

Occupational Health and Safety

Ethical issues

such as

 code of practice and conduct privacy and security inappropriate use including hacking accuracy, validity and bias of data

Students Learn To

 define and describe a software system

 explain the purpose of a software system

 distinguish between types of software

 select and justify the use of software for a given situation

 compare and contrast the features of packages, including

 relationships to other packages list the features of software packages appropriate to particular users and a range of tasks

 examine legal issues as they apply to the development of information and software technology solutions research and report on ethical issues relating to the development of information and software technology solutions

 identify the ethical responsibilities of software users examine and judge the accuracy, validity and bias of data and information

2

Timing & Registration

1 Periods

2 Periods

Information and Software Technology Program

Epping Boys’ High School

Activities / Integrated Learning Experiences

Students use the Intranet resource to learn about Programming

Languages (Worksheet 2)

Students use the Intranet resource to learn about Basic Programming concepts. Students should be given some time to run sample Liberty

Basic applications before discussing each of the key programming concepts.

Students should complete Worksheet 2. The teacher should record the completion of worksheet exercises and discussed the answers with the class.

Students Learn About

Programming language

 function of programming language examples of a programming language

Basic programming concepts

 input, process, output functions assignment statements variables

 constants

Data operators

 relational logical arithmetic operators

Desk checking

Sub-programs

 purpose examples

Students Learn To

 define and describe the function of a

 programming language examine the code of an existing software program to describe the input, processes and output examine an existing program and identify functions, assignment statements, variables and constants modify an existing program to assess the effects of changing variables on the output of the program distinguish between various operators within existing code conduct a desk check on a selected algorithm modify an algorithm to produce the required output examine existing code and algorithms to identify the purpose of sub-programs for a range of examples

Timing & Registration

0.5 Periods

2 Periods

3

Information and Software Technology Program

Epping Boys’ High School

Activities / Integrated Learning Experiences

Students should research different forms of data on the Intranet. They should then complete Worksheet 5. The teacher should record the completion of worksheet exercises and discussed the answers with the class.

Student have difficulty understanding algorithms concepts. They need to be shown how to structure algorithms.. They need to analyse model algorithms solutions and discuss their understanding of these algorithms. The Intranet resource covers this very well but Teacher

Directed discussion is essential. Students should complete worksheet

3. Worksheet answers should be discussed in class.

An understanding of control structures is essential if students are to become successful programmers. Students should research control structures on the Intranet and complete Worksheet 4. The teacher should record the completion of worksheet exercises and discussed the answers with the class.

Students Learn About

Data types

such as

 character, integer, string, real, Boolean

Data coding

such as

 decimal and binary

ASCII

Data structures

 record file array

Algorithms

 definitions and descriptions representing algorithms

 examples such as recipes, directions, appliance instructions

Control structures

 sequencing selection such as binary and case

 repetition and/or iteration such as pre and post test

Students Learn To

 identify data types in existing code and explain their purpose compare the use of data types describe and compare coding methods

 perform simple calculations on data coding examine data structures in existing code

 define algorithms and describe examples in daily life explain the purpose of an algorithm when solving problems examine and analyse the existing code of a selected example and identify control structures

Timing & Registration

1 Period

0.5 Periods

2 Periods

4

Information and Software Technology Program

Epping Boys’ High School

Activities / Integrated Learning Experiences

Project Work

Students us problem solving techniques to develop solutions to range of problems. Students should work at their own pace through the series of problems defined. The teacher needs to monitor each student’s progress and assist students with key concepts

Ref http://webserver/computing/Programming1/Projects.htm

Through the solutions the students develop, they demonstrate their understanding of key concepts as well as their skills in developing algorithm solutions and coding and testing these solutions

Students Learn About

Basic programming concepts

 input, process, output functions assignment statements variables

 constants

Algorithms

 representing algorithms

Control structures

 sequencing selection such as binary and case repetition and/or iteration such as pre and post test

Students Learn To

 represent algorithms by using either

 flowchart or pseudocode devise algorithms to solve everyday problems incorporating the use of control structures

 develop prototypes using basic control structures incorporate sub-programs into algorithms and working code

 convert algorithms into basic code using a given language syntax demonstrate the use of an array modify existing code to allow for changes to the array

Topic Test

This should focus on what the student have learned about. Students complete 20 randomly selected multiple choice questions online.

The teachers needs to record the result.

Timing & Registration

10 Periods

0.5 Periods

5

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