The purpose of the CPU is to process data. The CPU is where processes such as ____, sorting and searching take place. Whatever is done on our computers, such as checking emails, playing games and doing homework, the CPU has processed the data we use. As part of the FDE cycle, ____ are ____ from ____, to be ____ (understood) and ____ (processed) ____. The Fetch - Decode - Execute (FDE) cycle is performed by the CPU millions of times every ____. This cycle is how the CPU ____ data and instructions for each ____ or service that requires its attention. The CPU is made up of ____ main components: - The Control Unit (CU) which controls the ____ of data within the system. - The ____ and Logic Unit (ALU) which performs ____ and logical operations. - The registers which ____ store data.

9.1.2 What is the fetch-decode-execute cycle and why is it needed?

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