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Presentation and notes on topic 1.1.1 (Structure and Function of the Processor)

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Institution
OCR

This presentation is perfect for teaching yourself or students on all the necessary content for topic 1.1.1 of the OCR A level (Structure and Function of the Processor). It was made whilst working closely with the specification, so that nothing has been left out, and contains some examples. Based o...

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Uploaded on September 22, 2022
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computer science
ocr
processor
presentation
structure and function of the processor
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1.1.1 Structure and Function of
the Processor

, § The ALU (Arithmetic and Logic Unit) completes all
the arithmetical and logical operations.

§ Arithmetical operations include all mathematical
The Arithmetic operations such as addition and subtraction on fixe
and Logic Unit floating point numbers.

§ Logical operations include boolean logic operation
such as AND, OR, NOT, and XOR.

, § The Control Unit is the component of the processor
which directs the operations of the CPU. It has the
following jobs:

The Control
§ Controlling and coordinating the activities of the CP
§ Managing the flow of data between the CPU and oth
Unit devices
§ Accepting the next instruction
§ Decoding instructions
§ Storing the resulting data back in memory

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