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7.2 Computer systems, sub-systems anddecomposition
structure diagram: a hierarchical diagram showing the breakdown of a computer program into sub-programs Flowchart: a diagram showing the ordered steps to complete a computer program Pseudocode: s...……
Theo - 2025年10月28日 22:23
7.1 The program development life cycle
Program Development Life Cycle (PDLC) Analysis Design Coding Testing Maintenance Analysis Before solving a problem, it is essential to define and document the problem clearly, known as the "requ...……
Theo - 2025年10月28日 22:23
5.1 The internet and the World Wide Web (WWW)
| Candidates should be able to: | Notes and guidance ...……
Theo - 2025年10月28日 21:44
5.2 Digital currency
Draw and annotate a diagram to show how a payment transaction is made using digital currency and blockchain. Digital ledger shown Device encrypting data Device sending data to digital ledger Paymen...……
Theo - 2025年10月28日 21:41