Computer Science 9618/12 May June 2022 | Cambridge AS Level Past Papers With Mark Scheme

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- Bitmap image representation: pixel, bit depth, resolution definitions, color depth impact on file size, lossless compression explanation.
- Embedded systems: lane detection system as an example, primary vs secondary storage data in vehicles, resistive touchscreen functionality.
- Processor instruction set: bitwise operations, logical shifts, binary-to-hexadecimal conversions, binary subtraction using 8-bit representation.
- Security threats to data and systems: unauthorized access prevention, encryption significance in data transmission.
- Relational database concepts: entity-relationship diagram, composite primary keys, SQL queries for data retrieval and analysis.
- Language translators: compiler and interpreter operations, Integrated Development Environment (IDE) utility for program writing and testing.
- Logic gates: truth table completion for XOR and AND operations with NOT.
- Network devices: functionality of router, repeater, and NIC; Ethernet CSMA/CD protocol description, differences between fiber-optic and copper cables.

CIE AS & A Level Computer Science (9618) Jun 2022

Laura Bellini

Classification: Paper 1

Page count: 16

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Last update: 2 months ago

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Computer Science 9618/12 May June 2022 | Cambridge AS Level Past Papers With Mark Scheme

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