Year 9 (Computer Science 0478) | Monday | Wednesday | Thursday

TERM 2  SY 2026-2027

Announcement!! 

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Y9-Lesson: (WEEK 1) Tech Hub

Packet switching; symmetric encryption; define a single-table database (past paper)

Students will explain packet switching; describe symmetric encryption and the use of a shared key; define a single-table database; and apply these ideas to IGCSE-style questions.

Notes 9: https://drive.google.com/file/d/11nO6eBQDACU-SS49MTWZhiZEsOvV284N/view?usp=sharing 

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Y9-Lesson: (WEEK 2) Tech Hub

Embedded systems; Database: fields, records, validation (past paper)

Students will describe an embedded system and its characteristics; distinguish fields and records; explain validation; and apply database concepts to past-paper questions.

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Y9-Lesson: (WEEK 3) Tech Hub

Supporting Files: https://drive.google.com/file/d/1_teavVn51B_egAUYx7Wo5y09wErs6Ljf/view?usp=sharing

YouTube: https://youtu.be/fAeUhxoxQPo  

Upload your database file: https://forms.gle/uCgtzRn5776jWTHz9 

Components of a central processing unit; Database: fields, records, validation (past paper)

Students will identify and describe the roles of the ALU, control unit, and registers; explain how CPU components work together; and reinforce database validation through exam-style practice.

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Y9-Lesson: (WEEK 4) Tech Hub

CLICK and download the supporting files

Primary storage to hold data and instructions; primary key; basic data types (past paper)

Students will explain the purpose of primary storage; understand the purpose of a primary key; identify common basic data types; and answer related IGCSE-style questions.

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Y9-Lesson: (WEEK 5) Tech Hub

Revision for Mid-Year Revision (MYR) 

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Y9-Lesson: (WEEK 6) Tech Hub

Mid-Year Revision (MYR) / assessment period

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Y9-Lesson: (WEEK 7) Tech Hub

Mid-Year Revision (MYR) / assessment period

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Y9-Lesson: (WEEK 8) Tech Hub

Algorithm design and problem-solving (past paper)

Students will analyse a problem, identify inputs/outputs/processes, design step-by-step algorithms, and apply algorithmic problem-solving to past-paper questions.

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Y9-Lesson: (WEEK 9) Tech Hub

Algorithm design and problem-solving (Continue) (Past paper)

Students will continue designing algorithms, trace them systematically, identify errors, and improve solutions using suitable test data.

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Y9-Lesson: (WEEK 10) Tech Hub

Revision (Weeks 1–5) and Practice Paper (IGCSE Computer Science)

Students will retrieve and apply key knowledge from Weeks 1–5, complete an IGCSE-style practice paper under timed conditions, and identify areas for further improvement.

Paper 1: Computer Systems Computer Science IGCSE 0478

0478/12/February/March 2025

https://drive.google.com/file/d/1l3RCRDjqdCYHBIvVGEY4E4WDtNkuJdFP/view?usp=sharing 

0478/12/February/March 2024

https://drive.google.com/file/d/1L0ia0RFavNx15um4CUPIrFt_G6T6UM5R/view?usp=drive_link 

0478/11/October/November 2024

https://drive.google.com/file/d/15RfmH6pbOLyCm_qFGwZF1x9PrKQphnNV/view?usp=sharing