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12 wrz 2015 · This document discusses key concepts in information and communication technology (ICT), including data, information, and processes. It defines ICT as the use of telecommunications, computers, and related technologies to access, store, process, and distribute data.
22 kwi 2014 · Several examples are provided to illustrate the difference, such as numbers representing different things depending on context. The key points are that data is meaningless on its own, while information is meaningful data that has undergone processing. Read more.
2 paź 2019 · This document provides an overview of data communications and computer networks. It discusses the basic elements of a communication system including senders, receivers, and transmission media.
INTRODUCTION TO INFORMATION AND COMMUNICATION TECHNOLOGIES • Credit hours 3(2+1) • Recommended Book: Introduction to Computers by Peter Norton 7th Edition. DIFFERENCE BETWEEN DATA AND INFORMATION • Data: • Raw facts and figures.
The following sections describes the fundamental characteristics that are important for the effective working of data communication process and is followed by the components that make up a data communications system. • 1.3.1 Characteristics of Data Communication The effectiveness of any data communications system depends upon the following ...
Traditional databases are organized by fields, records, and files. A field is a single piece of information; a record is one complete set of fields; and a file is a collection of records. For example, a telephone book is analogous to a file.
26 lip 2014 · This includes: • operational or transactional data such as, sales, cost, inventory, payroll, and accounting • non-operational data such as industry sales, forecast data, and macro economic data • meta data - data about the data itself, such as logical database design or data dictionary definitions
