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HSC Enrichment -Information Processes and Technology

Singleton Presentation 2017

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How to do well in the HSC exam

nUnderstand the course contentnPractical AND theory

nUse the appropriate terminologynRespond to the terms used in the question

nRefer specifically to the questionnUse your time wellnShow what you know

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HSC exam format

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Core topicsn Information Systems & Data Basesn Communications Systemsn Project Work

Not considered as separate topics

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For the one question, recognise..

n relevant hardware & software

n input requirementsn how data is

organisedn storagen data manipulationn flow of information

n transmissionn hardwaren protocols

n output requirementsn social & ethical

considerationsn involvement of

participantsn project management

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TIPPPE

• Technology

• Information

• Purpose

• Processes

• Participants and

• Environmenttogether describe an information system

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Collecting

Organizing

Analyzing

Storing & Retrieving

Processing

Transmitting and Receiving

Displaying

The Seven Processes

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Collecting

Organizing

Analyzing

Storing & Retrieving

Processing

Transmitting and Receiving

Displaying

C

O

AS

P

T

D

ome

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ll

tudents

at

he

og

The Seven Processes

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Steps in Development and Implementation of Systemn For each step…..

n Name each stepn Specific tasks performedn People involvedn Documentation producedn Terminologyn Social issues

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Understanding the problem

Planning

Designing solutions

Implementing

Testing, evaluating and maintaining

The Steps

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Understanding the Problem

n Define the purposen Speak to participants

n Surveyn Questionnairen Interviewn Observation

n Build a prototypen Requirements Report

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Understanding the Problem

n Define the purposen Speak to participants

n Surveyn Questionnairen Interviewn Observation

n Build a prototypen Requirements Report

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Planningn Feasibility study

n Constraintsn Requirements Report

n needsn TIPn time frame for subtasksn participants

n Approach

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Planningn Feasibility study

n Constraintsn Requirements Report

n needsn TIPn time frame for subtasksn participants

n Approach

Technology

Information

Purpose

Technical

Operational

Economic

Scheduling

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Planningn Feasibility study

n Constraintsn Requirements Report

n needsn TIPn time frame for subtasksn participants

n Approach

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Designing Solutionsn Build system

n Traditional / waterfalln Prototype developmentn Participant developmentn Agilen Outsourcedn Customised

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Designing Solutionsn Build system

n Traditional / waterfalln Prototype developmentn Participant developmentn Agilen Outsourcedn Customised

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Designing Solutionsn Build system

n Traditional / waterfalln Prototype developmentn Participant developmentn Agilen Outsourcedn Customised

n Use Documentation tools

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Documentation Tools

n Gantt chartsn DFD'sn Schema'sn Queries (SQL)n Data Dictionary

n Storyboardn Specific interfacesn Decision tablen Decision treen Network Topology

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Data DictionaryA data dictionary is a table providing a comprehensive description of each field in the database. This commonly includes: field name, data type, data format, field size, description and example.

This is shown in the example below (from Specifications document)

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Field name Data type Data format Field size Description Example

UserIdFirstNameSurnameDOBHourlyPayRateHeightFeesPaid

TextTextTextDateCurrencyRealBoolean

NNNNNNNN

DD/MM/YYYY#####.###.##

8252510831

Unique eight-digit number represented as textFirst name of employeeSurname of employeeDate of birth as a short date formatRate of pay expressed in dollars per hourHeight in metres, with two decimal placesY or N for Yes or No

0001539BillSmith15/07/198234.501.58Y

Schema

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n Sample answer from Q24 HSC 2009

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Schema and SQL statementn Sample answer from Q24 HSC 2009

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SELECT Song_Id, Song_NameFROM SongWHERE Song_size < …And Song_Length < …..ORDER BY Song_Name Asc

StoryboardGood design elements in Database forms / Interfaces

n Headingn Logon Text Boxesn Radio buttons / check boxes n Drop down menus

Understand the importanceof validation checks

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StoryboardGood design elements in Database forms / Interfaces

n Headingn Logon Text Boxesn Radio buttons / check boxes n Drop down menus

Understand the importanceof validation checks

Don’t forget to show all links between screens

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StoryboardGood design elements in Database forms / Interfaces

n Headingn Logon Text Boxesn Radio buttons / check boxes n Drop down menus

Understand the importanceof validation checks

Don’t forget to show all links between screens

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Network Diagramn Draw diagrams

n to represent the various topologies n to show hardware requiredn to show communications links

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Documentation toolsEach shows a different view of a systemBe prepared to……

n Recognise / Identifyn Interpretn Modify or completen Constructn Compare and contrastn Select relevant tool

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Implementingn Acquire hardware & softwaren Implementation plan

n Trainingn Conversion of datan Systems testingn Implementation of system

n Directn Paralleln Pilotn Phased

n Operation Manual

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Testing, evaluating and maintainingn Live, Volume, Simulated test datan Have needs been met?n Have social issues been addressed?n Trialing & using Operation Manual

n Ease of usen Appropriateness for audience

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Project Managementn Refer to your project, and the experiences

gained……n Gantt chartsn Communications plan

n Regular reportingn Stumbling blocksn Communication strategies

n Active listeningn Conflict resolutionn Negotiation skillsn Interview techniquesn Team building

n Documentation tools

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Calculationsn File and database sizesn Transmission timesn (Image, Video clip & Audio clip sizes

…for Multimedia option)n Show all working!n Convert sizes to Kb, Mb, Gb

and specify your choice of unit

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Calculations

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Hardware Operationn Tape, Hard Drive, CDROM, DVDn CRT, LCD, plasma screen, IWB n inkjet printer, laser printer, scanner,

digital camera, mobile phone….

n Show understandingn Label all relevant features

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Hardware Operationn Communications technology

n Devices – hubs, switches, routersn Bridges and Gatewaysn Network Interface Cards (NIC)n Mobile phones (emerging and converging)n Cablesn Wireless access pointsn Bluetooth devicesn Client Server Architecturen Protocols

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Protocols

Application level protocolsHTTPSMTPSSL

Communication Control andAddressing Level protocols

TCPIP

Transmission Level protocolsEthernet

Token ring

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Options - Choose 2 only!Use Core Skills…

n Recommend TIPPEn Define COASPTDn Data Modeling/ Documentation Toolsn Participant involvementn Social and Ethical Considerations

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Project Work

n Use and recall steps (UPDIT)n Full documentation

n Operations manualn Installation guiden Tutorial

n Diary/ logn Project management techniques

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In the exam….

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In the exam….n 1.5 minutes per mark

n 30 minutes for 20 multiple choice questionsn 15 minutes for each of 4 x ~10 mark short answer

questionsn 30 minutes for each of 2 x 20 mark option short

answer questionsn Read the question!n Refer to the scenario described in the

questionn Be prepared to relate practical experiences,

from projects and assessments

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In the exam….n Use the keywords

n Compare and contrastn Evaluaten Explain…….

n Number of marks - depth requiredn Use correct terminologyn Use diagrams where possible and

relevant.n We can only mark what we read!

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Finally

n Make sure you have learnt your terminology, and that you understand what you have learnt

n Read the question carefully, so you know what area to write about

n Relate your response to the context of the question

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n Remember - the examiner wants to see what you know, and how well you understand it.

n Good luck!

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Resourcesn Syllabus

n Learn to…n Learn about…

n Course and Software Specificationsn Past HSC exams, Marking Guidelines & Notes

from the Marking Centren Past Trial papers and supplied answersn Texts

n Heineman - Greg Powersn Jacaranda - Chivers… and cardsn Excel Study Guide and cards

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Web sitesn www.hsc.csu.edu.aun whatis.comn howstuffworks.com