71 Questions
What are the characteristics of a system according to the text?
Takes inputs, transforms them, and produces outputs
What are the components of Information Systems as per the text?
Hardware, Software, People, Telecommunications/ Networks, Data, Procedures
What do computer programs refer to in the context of Information Systems?
Machine-readable instructions directing hardware circuitry to produce useful information from data
What are data in the context of Information Systems?
Facts used by programs to produce useful information
What is the responsibility of a Transaction Processing System (TPS)?
Collect, store, modify, and retrieve data transactions
Which system uses data from TPS to create reports for middle management?
Management Information System (MIS)
What is the main responsibility of an Executive Support System (ESS)?
Address strategic decisions for senior management
What is the primary role of Computer Hardware?
Connect other parts of the computer
What is the function of the Central Processing Unit (CPU)?
Control centre of a computer; performs arithmetic and logic operations
What is the function of the Control Unit (CU) in a computer system?
Control overall operations of the computer system
What is the purpose of registers in a computer system?
Store intermediate results of the ALU during calculation
How is processor speed measured?
In Hertz (number of operations per second)
What is the function of a bus in a computer system?
Transfer data between components inside a computer or between computers
What is the purpose of storage devices in a computer system?
Store large amounts of non-volatile data
What is an expansion card used for in a computer system?
Add new functionality to a computer system
What are the primary components of Information Systems as per the text?
Hardware, Software, People, Telecommunications/ Networks, Data, Procedures
What is the function of Telecommunications/ Networks in Information Systems?
Facilitate communication and data transfer
What is the role of Data in Information Systems?
Facts used by programs to produce useful information
What is the primary function of Hardware in Information Systems?
Accept, process, show data and information
What distinguishes a system from its environment?
Existence within the environment but separate from it
What is the function of Software in Information Systems?
Direct the circuitry within hardware parts to produce useful information from data
What distinguishes an Information System from a general system?
Collection, manipulation, dissemination of data and information with feedback mechanism
What are considered as Data in Information Systems?
Facts used by programs to produce useful information
What does a System use feedback from its environment for?
Control
What do Hardware components do in an Information System?
Accept, process, show data and information
What is the main function of a Transaction Processing System (TPS)?
Storing and retrieving data transactions for routine tasks
What is the primary purpose of a Management Information System (MIS)?
Using data from TPS to create reports for middle management
What is the key characteristic of an Executive Support System (ESS)?
Addressing nonroutine decisions with little analytical capability
What is the primary role of computer hardware in an Information System?
Providing physical components like the monitor and keyboard
What is the function of the Central Processing Unit (CPU) in a computer system?
Interpreting and executing computer programs
Which best describes the role of people in Information Systems?
Managing, running, programming, and maintaining the system.
What is the responsibility of an Input Unit in a computer system?
Accepting input and converting it into computer-readable form.
What does Information Management aim to achieve?
Providing access to information efficiently and effectively.
What is the main function of Computer Hardware?
Providing physical components like the monitor and keyboard.
What are the components of Information Systems according to the text?
People, policies/processes, technology, data/information.
What is the function of an expansion card in a computer system?
To add new functionality to the computer system via the expansion bus
What is the primary role of an embedded system?
To perform a specific task as a microcontroller or microprocessor based system
What is the purpose of block storage devices in a computer system?
To store large amounts of non-volatile data
What is the main responsibility of the Control Unit (CU) in a computer system?
To control overall operations of the computer system
What is the function of registers in a computer system?
To store intermediate results of the ALU during the calculation process
What is the purpose of memory in a computer system?
To store data during processing time
What is the function of processor speed in a computer system?
To measure the number of operations per second
What is the primary role of storage devices in a computer system?
To store large amounts of non-volatile data
What is the purpose of an expansion bus in a computer system?
To transfer data between components inside a computer or between computers
What is an example of an output device in a computer system?
Monitor
What is the main function of a Transaction Processing System (TPS)?
Storing and modifying non-routine data transactions
What distinguishes an Executive Support System (ESS) from other systems?
It addresses nonroutine decisions
What is the primary role of Computer Hardware in an Information System?
Accepting data as input, processing it, and producing an output
What are the components of Information Management?
"People, policies/processes, technology, and data/information"
How does Telecommunications/Networks contribute to Information Systems?
Enabling organizations to link computer systems for electronic communication.
What does Computer Hardware encompass?
Physical components such as the monitor,keyboards,motherboard,and CPU.
What is the primary function of an expansion card in a computer system?
To enhance the functionality of the computer system by adding new features
What is the purpose of block storage devices in a computer system?
Storing large amounts of non-volatile data
What is the main responsibility of the Control Unit (CU) in a computer system?
Controlling overall operations of the computer system
What is the primary role of storage devices in a computer system?
Storing large amounts of non-volatile data
What is the function of processor speed in a computer system?
Determining the number of operations per second
What is an example of an output device in a computer system?
Monitor
What distinguishes an Information System from a general system?
Having software embedded in it to perform specific tasks.
What is an embedded system designed to perform?
A specific task using microcontroller or microprocessor based system.
What does an expansion bus do in a computer system?
Connects CPU, main memory, I/O devices, and other components.
What is an expansion card used for in a computer system?
Adding new functionality not offered by motherboard.
What are the primary components of Information Systems as per the text?
Hardware, Software, People, Telecommunications/ Networks, Data, Procedures
What is the main function of Hardware in Information Systems?
Accept, process, show data and information
What do computer programs refer to in the context of Information Systems?
Machine-readable instructions that direct the circuitry within the hardware parts of the system
What is the primary role of an embedded system?
Perform specific tasks and functions within a larger system
What is the primary purpose of a Management Information System (MIS)?
Provide information for decision-making in an organization
What distinguishes an Information System from a general system?
Collect (input), manipulate (process), and disseminate (output) data and information
What is the purpose of memory in a computer system?
Store data in machine-readable form on disk until needed by the computer
What is an example of an output device in a computer system?
Printers
What does Information Management aim to achieve?
Efficient and effective collection and use of information for decision-making
What is the key characteristic of an Executive Support System (ESS)?
Provides support for senior executives' decision-making activities
Study Notes
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Telecommunications/Networks: enabling organizations to link computer systems, used for connecting computers and equipment within a building, country, or worldwide for electronic communication.
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People: crucial element in information systems; includes IT professionals who manage, run, program, and maintain the system.
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Procedures: strategies, policies, methods, and rules for using Information Systems.
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Transaction Processing System (TPS): collects, stores, modifies, and retrieves data transactions; ideal for routine tasks; requires six steps: data entry, validation, data processing, storage, output generation, and query support.
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Management Information System (MIS): uses data from TPS to create reports for middle management; creates summary, exception, and ad-hoc reports; increases efficiency for managerial activities; has little analytical capability.
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Decision Support System (DSS): interactive, computer-based system to help decision-makers use data, documents, knowledge, and models to solve problems; can be simple or complex; addresses nonroutine decisions; can employ advanced graphics software and present data from multiple sources.
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Executive Support Systems (ESS): designed for senior management; addresses strategic decisions; incorporates external and internal data; uses advanced graphics and delivers data through a portal.
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Information Management: collecting and managing information from various sources and distributing it to the appropriate audiences; aims to provide access to information efficiently and effectively; involves people, policies/processes, technology, and data/information.
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Computer: electronic device that accepts data as input, processes it according to instructions, stores it, and produces an output.
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Computer Hardware: physical components, such as the monitor, keyboard, motherboard, and CPU.
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Input Unit: responsible for taking input and converting it into computer-readable form.
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Motherboard: main component that connects other parts of the computer.
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Central Processing Unit (CPU): control centre of a computer; composed of an Arithmetic and Logic Unit (ALU) and a Control Unit (CU); performs arithmetic and logic operations.
-
Telecommunications/Networks: enabling organizations to link computer systems, used for connecting computers and equipment within a building, country, or worldwide for electronic communication.
-
People: crucial element in information systems; includes IT professionals who manage, run, program, and maintain the system.
-
Procedures: strategies, policies, methods, and rules for using Information Systems.
-
Transaction Processing System (TPS): collects, stores, modifies, and retrieves data transactions; ideal for routine tasks; requires six steps: data entry, validation, data processing, storage, output generation, and query support.
-
Management Information System (MIS): uses data from TPS to create reports for middle management; creates summary, exception, and ad-hoc reports; increases efficiency for managerial activities; has little analytical capability.
-
Decision Support System (DSS): interactive, computer-based system to help decision-makers use data, documents, knowledge, and models to solve problems; can be simple or complex; addresses nonroutine decisions; can employ advanced graphics software and present data from multiple sources.
-
Executive Support Systems (ESS): designed for senior management; addresses strategic decisions; incorporates external and internal data; uses advanced graphics and delivers data through a portal.
-
Information Management: collecting and managing information from various sources and distributing it to the appropriate audiences; aims to provide access to information efficiently and effectively; involves people, policies/processes, technology, and data/information.
-
Computer: electronic device that accepts data as input, processes it according to instructions, stores it, and produces an output.
-
Computer Hardware: physical components, such as the monitor, keyboard, motherboard, and CPU.
-
Input Unit: responsible for taking input and converting it into computer-readable form.
-
Motherboard: main component that connects other parts of the computer.
-
Central Processing Unit (CPU): control centre of a computer; composed of an Arithmetic and Logic Unit (ALU) and a Control Unit (CU); performs arithmetic and logic operations.
-
Telecommunications/Networks: enabling organizations to link computer systems, used for connecting computers and equipment within a building, country, or worldwide for electronic communication.
-
People: crucial element in information systems; includes IT professionals who manage, run, program, and maintain the system.
-
Procedures: strategies, policies, methods, and rules for using Information Systems.
-
Transaction Processing System (TPS): collects, stores, modifies, and retrieves data transactions; ideal for routine tasks; requires six steps: data entry, validation, data processing, storage, output generation, and query support.
-
Management Information System (MIS): uses data from TPS to create reports for middle management; creates summary, exception, and ad-hoc reports; increases efficiency for managerial activities; has little analytical capability.
-
Decision Support System (DSS): interactive, computer-based system to help decision-makers use data, documents, knowledge, and models to solve problems; can be simple or complex; addresses nonroutine decisions; can employ advanced graphics software and present data from multiple sources.
-
Executive Support Systems (ESS): designed for senior management; addresses strategic decisions; incorporates external and internal data; uses advanced graphics and delivers data through a portal.
-
Information Management: collecting and managing information from various sources and distributing it to the appropriate audiences; aims to provide access to information efficiently and effectively; involves people, policies/processes, technology, and data/information.
-
Computer: electronic device that accepts data as input, processes it according to instructions, stores it, and produces an output.
-
Computer Hardware: physical components, such as the monitor, keyboard, motherboard, and CPU.
-
Input Unit: responsible for taking input and converting it into computer-readable form.
-
Motherboard: main component that connects other parts of the computer.
-
Central Processing Unit (CPU): control centre of a computer; composed of an Arithmetic and Logic Unit (ALU) and a Control Unit (CU); performs arithmetic and logic operations.
Explore the characteristics of systems and information systems, including how they take inputs, transform them, produce outputs, and interact with their environment. Learn about sub-systems, feedback control, and the functions of information systems in collecting, manipulating, and disseminating data.
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