Candidates should be able to:
1 (a) Understand the role of the central processing unit (CPU) in a computer
(b) Understand what is meant by a microprocessor
2 (a) Understand the purpose of the components in a CPU, in a computer that
has a Von Neumann architecture
(b) Describe the process of the fetch–decode–execute (FDE) cycle, including the role of each component in the process
3 Understand what is meant by a core, cache and clock in a CPU and explain how they can affect the performance of a CPU
4 Understand the purpose and use of an instruction set for a CPU
5 Describe the purpose and characteristics of an embedded system and identify devices in which they are commonly used
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