Data Communications Instructions

Data Communications Instructions 802.11 network standards 802.11 Release Freq. Bandwidth Data rate per stream Allowable Modulation Approximate indoor range Approximate outdoor range protocol (GHz) (MHz) (Mbit/s) MIMOstreams (m) (ft) (m) (ft) — Jun-97 2.4 20 1, 2 1 DSSS,FHSS 20 66 100 330 a Sep-99 5 20 6, 9, 12, 18, 24, 36, 48, 54 1 OFDM 35 115 120 390 3.7 — — 5,000 16,000 b Sep-99 2.4 20 5.5, 11 1 DSSS 38 125 140 460 g Jun-03 2.4 20 6, 9, 12, 18, 24, 36, 48, 54 1 OFDM,DSSS 38 125 140 460 n Oct-09 2.4/5 20 7.2, 14.4, 21.7, 28.9, 43.3, 57.8, 65, 72.2[B] 4 OFDM 70 230 250 820 40 15, 30, 45, 60, 90, 120, 135, 150[B] 70 230 250 820 IEEE 802 is a committee of the IEEE that describes ...

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Data Communications

Data Communications Wireless Phone System The battle is not, far from decided. Since mobile phones ceased to be simple devices to talk and became "intelligent", both manufacturers and traders realized that the business, really, was not in the voice, but data and especially in the services that could be assembled around him. ...

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Technological Developments

TECHNOLOGICAL DEVELOPMENTS Technological developments have been credited with rapid growth in global trade. Discuss how this has impacted global Technological developments have been credited with rapid growth in global trade. Discuss how this has impacted global Introduction Technological evolution is the name of a theory of science studies, technology and society (STS) ...

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Databases

DATABASES Databases Databases Introduction One of the most efficient and increasingly common methods of data storage is the use of databases. Large-scale databases generally comprise information collected as part of a research project or project management. Information included in databases ranges from survey data from clinical trials to psycho educational data from early childhood ...

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Wireless Technology

WIRELESS TECHNOLOGY “Wireless technology is compatible with other parts of information systems” Writer's Name: Institutes Name: “Wireless technology is compatible with other parts of information systems” Summary Among the many technological innovations, the use of wireless technology has immense importance, because this technology is being used by people regardless of their geographic locations, age or economic ...

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Asset Management And Data Security

ASSET MANAGEMENT AND DATA SECURITY Asset Management and Data Security Asset Management and Data Security Introduction It is becoming increasingly important in business realities in regards to optimal management of IT assets. An asset is an entity owned by the company, which affects trace the life cycle. Starting from the simple reality in which ...

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Gmail Electronic Mail

GMAIL ELECTRONIC MAIL Gmail Electronic Mail Gmail Electronic Mail Introduction Most of us have already used Stylish Add-on for Firefox, which can load user styles for various pages while using Firefox. There is a new user script which can change the dull look of Gmail to a dark theme. This user script is ...

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Operating Models

OPERATING MODELS Operating Models Operating Models Introduction In order to provide better service and to operate the business in a lucrative way it is imperative for the organization to adopt a system that ensures efficiency. To fulfill this objective, different organization uses different sorts of operating systems. The functioning of the organization is based ...

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It Engagement Model

IT ENGAGEMENT MODEL IT Engagement Model IT Engagement Model Role of IT Private industry has long recognized information technology's power to reduce costs. By effectively using information technology (IT), companies have increased efficiencies in their management and operations. These efficiencies often lead to an increase in the fiscal bottom line, ...

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Greet Computing

GREET COMPUTING Green Computing Name of student Name of instructor Date Table of Contents Green Computing1 Green Computing3 Introduction3 Green Technology3 A Brief History of Green Computing4 Green Computing Groups5 Green Computing Practices6 How much energy?8 Energy-efficient computing8 About screen savers10 Thinking Green11 Energy-Saving Computers12 Turn Your Computer Off15 Green Computing Introduction Green computing is the term used to denote efficient use of resources in computing. This term generally relates ...

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