SLR18 – Thinking abstractly (AS & A’Level) OCR A’LEVEL SLR18 Nature of abstraction OCR A’LEVEL SLR18 Need for abstraction OCR A’LEVEL SLR18 Abstraction & reality OCR A’LEVEL SLR18 Devise an abstract model Also in this topic... SLR03 – Input output and storage (AS & A’Level) SLR04 – Operating systems – Systems software (AS & A’Level) SLR10 – Databases (AS & A’Level) SLR 21 – Thinking logically (AS & A’Level) SLR 22 – Thinking concurrently (A’Level Only)
