Computer Science 9618/11 Oct Nov 2021 | Cambridge AS Level Past Papers With Mark Scheme

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E1. Binary arithmetic operations, overflow conditions, and conversions between binary, denary, and hexadecimal systems; significance of data units such as kibibyte, mebibyte, and their equivalents.

2. Data security versus integrity; validation and verification methods with examples; similarities and differences between spyware and viruses.

3. Logic circuits, expressions, truth tables; identifying unused logic gates, their symbols, and truth tables.

4. Professional ethics in software development, IDE tools, debugging features; ethical considerations in addressing program errors; descriptions of language translator types and functions.

5. Database management principles: primary and foreign keys, access rights for unauthorized access prevention, Data Definition Language (DDL), and Data Manipulation Language (DML) commands for queries and insertions.

6. Register transfer notation errors in the fetch-execute cycle; processor instruction set functions and operations, including bitwise and arithmetic operations on the accumulator.

CIE AS & A Level Computer Science (9618) Nov 2021

Laura Bellini

Classification: Paper 1

Page count: 16

Viewed: 98

Last update: 2 months ago

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