The Function of the Control Unit (2 marks)
Describe the function of the control unit in the CPU.
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The CPU
The Role of the Arithmetic Logic Unit (ALU) (2 marks)
Explain the role of the arithmetic logic unit (ALU) within the CPU.
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Hardware and Software Interaction (2 marks)
Explain one way in which hardware and software interact in a computer system.
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Define the term ‘hardware’. (1 mark)
Define the term ‘hardware’.
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Identifying Embedded Systems (3 marks)
Give three examples of everyday devices that contain embedded systems and briefly describe the function of the embedded system within each device.
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Comparing General Purpose and Embedded Systems (4 marks)
Compare and contrast embedded systems with general-purpose computer systems in terms of their design objectives and applications.
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The Role of Embedded Systems in Society (3 marks)
Explain the importance of embedded systems in modern society, including at least two examples of how they contribute to safety and convenience.
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Cores and CPU Performance (3 marks)
The performance of a CPU is not only determined by its clock speed and cache size but also by the number of cores it has. Explain how the number of cores within a CPU influences its performance.
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Cache VS Clock Discussion (6 marks)
A new CPU model has been released with an increased cache size but a lower clock speed compared to its predecessor. Discuss the potential impact on performance.
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Understanding Embedded Systems (1 mark)
What is an embedded system?
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