Answered: Explain the technological foundations…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Explain the technological foundations of information technology including hardware, software and communications

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Step 1: Information Technology Foundations

The computer uses Information Technology (IT) to store, receive, transmit and modify the data.
Within the business operations context, IT is used, because it is resistant to the technologies of entertainment.
Information and communications Technology (ICT) considers IT as one of its subset.
A computer system consists of software, hardware, and peripheral devices. This computer system is generally referred as IT system. This system if operated by a certain group of users.
IT consists of the following definitions,
- Processing techniques
- Decision making applications including mathematical and statistical methods.
- Higher-order thoughts that are simulated by computer programs.
Information distribution technologies like telephones and television are also enclosed by IT.
The services or products like computer hardware, software, e-commerce, communications, and semiconductors are associated with IT.
Operating systems are heart of computer. There are a number of operating systems in used in modern computers. Most client computers purchased in a retail outlet come with the operating system preloaded.
The purpose of an operating system is control the hardware components and peripherals implementing the functionality. Memory management is another task taken by the OS.
Foundations of IT investigate IT as a discipline and its distinct roles and functions.
The disciplines of IT include systems, services, and network security, programming and scripting, data management, and IT business.

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