Business Information Systems Lecture Notes

These flashcards cover key concepts relevant to business information systems, including definitions, system components, information management, security measures, and types of systems in a business context.

What is the definition of Data?

Data is a raw fact and can take the form of numbers or statements such as dates or measurements.

What is Information?

Information is data that has been processed so that it is meaningful.

What are the five components of a generic system?

Input, Process, Output, Feedback, and Control.

What are Operations Information Systems (OIS)?

Systems focused on process control, transaction processing, and communications.

What is the main purpose of Management Information Systems (MIS)?

To provide support for managerial decision-making.

Define the term 'Business Information System'.

A group of interrelated components that work together to convert data into information products for managerial support.

What are the main categories of computer hardware?

Input devices, Central Processing Unit (CPU), Internal and External Memory, and Output devices.

What is the main function of the Central Processing Unit (CPU)?

To execute instructions and process data stored in memory.

What is a Database System?

A system used to manage, store, and retrieve data in an organized way.

What is a query in database software?

A query allows a user to locate, sort, update, or extract records from the database.

What is Business Intelligence (BI)?

Systems focused on providing timely and relevant information for strategic decision-making.

What characterizes a network?

A network links two or more computers to share data or resources.

What are the primary risks associated with network use?

Cost of installation, potential for unauthorized access, and dependency on hardware.

What is the purpose of Intranets and Extranets?

To provide controlled access to information for internal users (Intranet) or authorized external users (Extranet).

What are the main risks to information systems?

Accidental damage, natural disasters, sabotage, vandalism, theft, and unauthorized usage.

What role do passwords play in information systems security?

Passwords restrict access to sensitive data and help monitor user actions.

What is the purpose of implementing backup procedures?

To ensure data can be restored in case of loss or damage.

What is the significance of the Capability Maturity Model?

It provides a framework for assessing the sophistication of software development processes.

What is a Denial of Service (DoS) attack?

An attack that blocks communication channels to disrupt services.

What strategies can be employed to reduce security threats to information systems?

Containment, deterrence, obfuscation, and recovery.