IInformation Systems at University Of South Africa | Flashcards & Summaries

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Lernmaterialien für IInformation Systems an der University of South Africa

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What is a system?

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A set of elements or components that interact to accomplish goals 

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What is the world wide web?

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is a network of links on the Internet to documents containing text, graphics, video and sound. Information about the documents and access to them are controlled and provided by tens of thousands of special computers called 'web servers'. The web is one of many services available over the Internet and provides access to many hundreds of millions of documents.

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What is an information system?

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A set of interrelated components that collect, manipulate, store and disseminate information and provide a feedback mechanism to meet an objective

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Explain the term information or data.

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A collection of facts which can come in a variety of formats.

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Procedure

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The strategies, policies, methods and rules for using a CBIS. Good procedures can help companies take advantage of new opportunities and avoid potential disasters. Poorly developed and inadequately implemented procedures, however, can cause people to waste their time on useless rules or result in inadequate responses to disasters.

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Explain the term forecasting.

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Predicting future events.


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Define feedback

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Output that is used to make changes to input or processing activities.

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What is computer based information system?

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.computer-based information system (CBIS) is a single set of hardware, software, databases, telecommunications, people and procedures that is configured to collect, manipulate, store and process data into information. CBISs can also be embedded into products. This is often called 'embedded', 'pervasive' or 'ubiquitous' computing

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What is a system performance standard?

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A specific objective of the system.

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Define efficiency

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A measure of what is produced divided by what is consumed.

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Define storage

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Storage involves keeping data and information available for future use, including output

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What is the definition of effectiveness?

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A measure of the extent to which a system achieves its goals; it can be computed by dividing the goals actually achieved by the total of the stated goals.

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Q:

What is a system?

A:

A set of elements or components that interact to accomplish goals 

Q:

What is the world wide web?

A:

is a network of links on the Internet to documents containing text, graphics, video and sound. Information about the documents and access to them are controlled and provided by tens of thousands of special computers called 'web servers'. The web is one of many services available over the Internet and provides access to many hundreds of millions of documents.

Q:

What is an information system?

A:

A set of interrelated components that collect, manipulate, store and disseminate information and provide a feedback mechanism to meet an objective

Q:

Explain the term information or data.

A:

A collection of facts which can come in a variety of formats.

Q:

Procedure

A:

The strategies, policies, methods and rules for using a CBIS. Good procedures can help companies take advantage of new opportunities and avoid potential disasters. Poorly developed and inadequately implemented procedures, however, can cause people to waste their time on useless rules or result in inadequate responses to disasters.

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Q:

Explain the term forecasting.

A:

Predicting future events.


Q:

Define feedback

A:

Output that is used to make changes to input or processing activities.

Q:

What is computer based information system?

A:

.computer-based information system (CBIS) is a single set of hardware, software, databases, telecommunications, people and procedures that is configured to collect, manipulate, store and process data into information. CBISs can also be embedded into products. This is often called 'embedded', 'pervasive' or 'ubiquitous' computing

Q:

What is a system performance standard?

A:

A specific objective of the system.

Q:

Define efficiency

A:

A measure of what is produced divided by what is consumed.

Q:

Define storage

A:

Storage involves keeping data and information available for future use, including output

Q:

What is the definition of effectiveness?

A:

A measure of the extent to which a system achieves its goals; it can be computed by dividing the goals actually achieved by the total of the stated goals.

IInformation Systems

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