1.1
Systems Architecture
CPU, memory, and storage fundamentals
CPU components: ALU, Control Unit, Registers
Von Neumann architecture: single memory for data and instructions
Fetch-Decode-Execute cycle processes instructions
Registers: MAR, MDR, PC, Accumulator
Factors affecting CPU performance: clock speed, cores, cache
Embedded systems: dedicated function, limited interface
Exam Tips
- •Always define key terms before explaining concepts
- •Use specific examples where possible to demonstrate understanding
- •Check mark allocation - one point per mark is a good guide