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Contents 1 Information Representation and Storage 1 1.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
In these lectures, we begin our three-lecture exploration of Computer Hardware. We start by looking at the different types of computer components and how they interact during basic computer operations. Next, we focus specifically on the CPU (Central Processing Unit).
A computer system consists of both hardware and information stored on hardware. Information stored on computer hardware is often called software. The hardware components of a computer system are the electronic and mechanical parts. The software components of a computer system are the data and the computer programs.
Introduction to Computer Systems. Don Fussell Spring 2011 Topics: Theme. Five great realities of computer systems. How this fits within CS curriculum. Course Theme. Abstraction is good, but don’t forget reality! Courses to date emphasize abstraction. Abstract data types. Asymptotic analysis. These abstractions have limits.
Why is it useful to know about operating systems? •Understanding computing at this level demystifies how these seemingly-complex systems work and can aid future projects you work on. •OSes contain many examples of elegant ideas in computing (concurrency, virtualization) that apply well beyond OSes, and pull together ideas like data
The control unit coordinates the actions of the computer and controls the fetch-execute cycle by sending out control signals to the other parts of the CPU such as the ALU and registers. It also sends signals to other components of the computer system such as the input and output devices.
The turbo decoding principles have found widespread applications not only in error control, but in de tection, interference suppression and equalization. Intended for use by advanced students and professional engi neers, involved in coding and telecommunication research, the book includes both basic and advanced material.
