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INFORMATION TYPE & FLOWS

on June 05, 2021 Computer Technology Systems

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THE COMPUTER SYSTEM AND HOW IT PROCESS DATA A computer system is a group of machines, or hardware that accepts data, process it, and display information. The main reason for using computer system is to process data quickly and efficiently so that the information obtained is timely, meaningful, and accurate. A computer system performs its information processing operations under the control of sets of instructions called programs. Computers read incoming data called input, process the data, and display outgoing information called output. Data itself consists of raw facts, data that is processed or operated to produces structured, meaningful information. Information processing is a set of procedures used to operate on data and produce meaningful results. Computer system consists of the following components; input devices, main memory and the central processing unit, output devices, and secondary storage devices. INPUT DEVICES READ INCOMING DATA There are many different types of input devi...

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INFORMATION TYPE & FLOWS

Learning Objectives At the end of this chapter, you should be able to: 1. Describe some of the characteristics data types and information flows in various types of business. 2. Show how these different information requirements result in different computer solutions. 3. Show why data volume and performance requirements are important in defining system architecture. Learning Outcomes To be able to differentiate the data types and its usage in business environment. To be able to justify the relation of data and computer system architecture. INTRODUCTION Data and Information Most people use the terms data & information interchangeably. But data & information are not the same. Information flow - Normally, items of data have to be related to one another to provide information for the next level up in the organisation structure. Thus, the major information flows in the organisation follow the line stru...

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