IGCSE Computer Science (0478)
Chapter 6: Automated & Emerging Technologies
Data Representation
Introduction
Why computers use binary (how binary represents data)
Number system
Introduction
Number Conversions
Addition of Binary Numbers
Logical binary shifts (positive 8-bit integers)
Two’s Complement (Signed: Positive and Negative Numbers)
Use of the Hexadecimal System
Text, Sound and Image
Text, Sound and Images
File Types
Data storage and File compression
Measurement of the Size of Computer Memories
Lossless and Lossy File Compression
Hardware
Computer Architecture
The CPU & Microprocessors
Von Neumann Architecture
Fetch-Decode-Execute Cycle (FDE)
Characteristics of the CPU
CPU Instruction Sets
Embedded Systems
Input/output devices
Input devices
Output devices
Sensors
Data Storage
What is Primary Storage?
What is Secondary Storage?
What is Virtual Memory?
What is cloud storage?
Network hardware
What is a Network Interface Card(NIC)?
MAC Addresses & IP Addresses
What is a Router?
Hardware
Computer Architecture
Input/output devices
Data Storage
Network hardware
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Lossless and Lossy File Compression
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The CPU & Microprocessors