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1.1. What is an information system?
An information system is a set of people, procedures, and resources that collects, transforms, and disseminates information in an organization.
1.2. Give some examples of information system.
The cash register at a fast-food restaurant, Catalogs in a library, ……
1.3. What are the three fundamental roles of information system in business?
Support of business process and operations.
Support of decision making by employees and managers.
Support of strategies for competitive advantage.
1.4. Information systems can be classified as operations support systems and management support systems. Give examples for each of these classifications.
operations support systems:
(1)Transaction processing systems: Process data resulting from business transactions, update operational databases, and produce business documents.e.g. Sales and inventory processing and accounting systems.
(2)Process control systems: Monitor and control industrial processes.
e.g. Petroleum refining, power generation, and steel production systems
(3)Enterprise collaboration systems: Support team, workgroup, and enterprise communications and collaborations.
e.g. E-mail, chat, and videoconferencing groupware systems
management support systems:
(1)Management information system: Provide information in the form of pre-specified reports and displays to support business decision making.
e.g. Sales analysis, production performance, cost trend reporting systems
(2)Decision support systems: Provide interactive ad hoc support for the decision-making processes of managers and other business professionals.
e.g. Product pricing, profitability forecasting, and risk analysis systems
(3)Executive information systems: Provide critical information from MIS, DSS, and other sources tailored to the information needs of executives.
e.g. Systems for easy access to analyses of business performance, actions of competitors, and economic developments to support strategic planning.
1.5. Describe the five resources of information systems.
(1)People resources: Specialists. End users.
(2)Hardware Resources: Machines. Media
(3)Software resources: Programs, Procedures.
(4)Data resources: Product descriptions: customer records, emplyee files, inventory databases.
(5)Network resources: Communications media, communications processors, network access, control software.
1.6. What are the basic activities of information systems?
(1)Input: Capture and prepare data about business transactions and other events for processing.
e.g. Optical scanning of bar-coded tags on merchandise.
(2)Processing: Organize, analyze, and manipulate data and convert them into information for end users
e.g. Calculating employee pay, taxes, and other payroll deductions.
(3)Output: Transmit information in
1.1. What is an information system?
An information system is a set of people, procedures, and resources that collects, transforms, and disseminates information in an organization.
1.2. Give some examples of information system.
The cash register at a fast-food restaurant, Catalogs in a library, ……
1.3. What are the three fundamental roles of information system in business?
Support of business process and operations.
Support of decision making by employees and managers.
Support of strategies for competitive advantage.
1.4. Information systems can be classified as operations support systems and management support systems. Give examples for each of these classifications.
operations support systems:
(1)Transaction processing systems: Process data resulting from business transactions, update operational databases, and produce business documents.e.g. Sales and inventory processing and accounting systems.
(2)Process control systems: Monitor and control industrial processes.
e.g. Petroleum refining, power generation, and steel production systems
(3)Enterprise collaboration systems: Support team, workgroup, and enterprise communications and collaborations.
e.g. E-mail, chat, and videoconferencing groupware systems
management support systems:
(1)Management information system: Provide information in the form of pre-specified reports and displays to support business decision making.
e.g. Sales analysis, production performance, cost trend reporting systems
(2)Decision support systems: Provide interactive ad hoc support for the decision-making processes of managers and other business professionals.
e.g. Product pricing, profitability forecasting, and risk analysis systems
(3)Executive information systems: Provide critical information from MIS, DSS, and other sources tailored to the information needs of executives.
e.g. Systems for easy access to analyses of business performance, actions of competitors, and economic developments to support strategic planning.
1.5. Describe the five resources of information systems.
(1)People resources: Specialists. End users.
(2)Hardware Resources: Machines. Media
(3)Software resources: Programs, Procedures.
(4)Data resources: Product descriptions: customer records, emplyee files, inventory databases.
(5)Network resources: Communications media, communications processors, network access, control software.
1.6. What are the basic activities of information systems?
(1)Input: Capture and prepare data about business transactions and other events for processing.
e.g. Optical scanning of bar-coded tags on merchandise.
(2)Processing: Organize, analyze, and manipulate data and convert them into information for end users
e.g. Calculating employee pay, taxes, and other payroll deductions.
(3)Output: Transmit information in
