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Computer organization deals with the hardware components of a computer system, which include I/O devices, the central processing unit, storage and primary memory devices. Notably, many people find it difficult distinguishing computer organization from computer architecture, because they are significantly related to each other. Essentially, computer architecture refers to engineering considerations that are useful in coming up with a desirable computer design.
In computer engineering, computer architecture is a set of rules and methods that describe the functionality, organization, and implementation of computer systems. Some definitions of architecture define it as describing the capabilities andprogramming model of a computer but not a particular implementation
In the first lecture of this module, I have started with a very tiny hypothetical computer through which I tried to
introduced most of the terms that are used in computer organization and architecture, and the working principle of a
computer. Also I tried to explain the concept of execution of a program in this computer. In this course material, the
term computer always means digital computer, and these concepts are not related to analog computer.
How the information is stored in digital computer is explained next. It also contains some historical information
regarding the evaluation of first generation computer and the changes of technologies to achieve the computer of
current generation.
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