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CISSP in 21 Days by M. L. Srinivasan

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Computer architecture

The elements of a computer that are fundamental to its operations, together with the way in which the elements are organised, are referred to as computer architecture.

A computer is a physical device consisting of various components. These physical components are known as hardware. The hardware components process a set of instructions and data presented to them, which is known as software.

Elements of computer architecture

The fundamental elements in computer architecture are the input/output systems, the Central Processing Unit (CPU), and the memory. The common plane that connects these three elements is known as the bus.

The functions of each of these elements are as follows:

Input/Output (IO) systems: These systems interface ...

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