Understanding Systems and Information Systems

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Questions and Answers

What are the characteristics of a system according to the text?

  • Only exists within an environment
  • Takes inputs, transforms them, and produces outputs (correct)
  • Does not have sub-systems
  • Does not use feedback for control

What are the components of Information Systems as per the text?

  • Hardware, Programs, People, Telecommunications/ Networks, Information, Procedures
  • Hardware, Software, Programs, Telecommunications/ Networks, Data, Environment
  • Hardware, Software, People, Telecommunications/ Networks, Data, Procedures (correct)
  • Hardware, Software, Data, Environment, Procedures

What do computer programs refer to in the context of Information Systems?

  • Data stored in machine-readable form on disk
  • Physical devices such as monitors and printers
  • Machine-readable instructions directing hardware circuitry to produce useful information from data (correct)
  • Human-readable manuals supporting hardware components

What are data in the context of Information Systems?

<p>Facts used by programs to produce useful information (D)</p> Signup and view all the answers

What is the responsibility of a Transaction Processing System (TPS)?

<p>Collect, store, modify, and retrieve data transactions (A)</p> Signup and view all the answers

Which system uses data from TPS to create reports for middle management?

<p>Management Information System (MIS) (C)</p> Signup and view all the answers

What is the main responsibility of an Executive Support System (ESS)?

<p>Address strategic decisions for senior management (D)</p> Signup and view all the answers

What is the primary role of Computer Hardware?

<p>Connect other parts of the computer (D)</p> Signup and view all the answers

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

<p>Control centre of a computer; performs arithmetic and logic operations (D)</p> Signup and view all the answers

What is the function of the Control Unit (CU) in a computer system?

<p>Control overall operations of the computer system (D)</p> Signup and view all the answers

What is the purpose of registers in a computer system?

<p>Store intermediate results of the ALU during calculation (D)</p> Signup and view all the answers

How is processor speed measured?

<p>In Hertz (number of operations per second) (D)</p> Signup and view all the answers

What is the function of a bus in a computer system?

<p>Transfer data between components inside a computer or between computers (C)</p> Signup and view all the answers

What is the purpose of storage devices in a computer system?

<p>Store large amounts of non-volatile data (B)</p> Signup and view all the answers

What is an expansion card used for in a computer system?

<p>Add new functionality to a computer system (B)</p> Signup and view all the answers

What are the primary components of Information Systems as per the text?

<p>Hardware, Software, People, Telecommunications/ Networks, Data, Procedures (C)</p> Signup and view all the answers

What is the function of Telecommunications/ Networks in Information Systems?

<p>Facilitate communication and data transfer (A)</p> Signup and view all the answers

What is the role of Data in Information Systems?

<p>Facts used by programs to produce useful information (D)</p> Signup and view all the answers

What is the primary function of Hardware in Information Systems?

<p>Accept, process, show data and information (A)</p> Signup and view all the answers

What distinguishes a system from its environment?

<p>Existence within the environment but separate from it (A)</p> Signup and view all the answers

What is the function of Software in Information Systems?

<p>Direct the circuitry within hardware parts to produce useful information from data (B)</p> Signup and view all the answers

What distinguishes an Information System from a general system?

<p>Collection, manipulation, dissemination of data and information with feedback mechanism (B)</p> Signup and view all the answers

What are considered as Data in Information Systems?

<p>Facts used by programs to produce useful information (D)</p> Signup and view all the answers

What does a System use feedback from its environment for?

<p>Control (A)</p> Signup and view all the answers

What do Hardware components do in an Information System?

<p>Accept, process, show data and information (C)</p> Signup and view all the answers

What is the main function of a Transaction Processing System (TPS)?

<p>Storing and retrieving data transactions for routine tasks (C)</p> Signup and view all the answers

What is the primary purpose of a Management Information System (MIS)?

<p>Using data from TPS to create reports for middle management (D)</p> Signup and view all the answers

What is the key characteristic of an Executive Support System (ESS)?

<p>Addressing nonroutine decisions with little analytical capability (D)</p> Signup and view all the answers

What is the primary role of computer hardware in an Information System?

<p>Providing physical components like the monitor and keyboard (A)</p> Signup and view all the answers

What is the function of the Central Processing Unit (CPU) in a computer system?

<p>Interpreting and executing computer programs (B)</p> Signup and view all the answers

Which best describes the role of people in Information Systems?

<p>Managing, running, programming, and maintaining the system. (B)</p> Signup and view all the answers

What is the responsibility of an Input Unit in a computer system?

<p>Accepting input and converting it into computer-readable form. (C)</p> Signup and view all the answers

What does Information Management aim to achieve?

<p>Providing access to information efficiently and effectively. (B)</p> Signup and view all the answers

What is the main function of Computer Hardware?

<p>Providing physical components like the monitor and keyboard. (B)</p> Signup and view all the answers

What are the components of Information Systems according to the text?

<p>People, policies/processes, technology, data/information. (D)</p> Signup and view all the answers

What is the function of an expansion card in a computer system?

<p>To add new functionality to the computer system via the expansion bus (B)</p> Signup and view all the answers

What is the primary role of an embedded system?

<p>To perform a specific task as a microcontroller or microprocessor based system (B)</p> Signup and view all the answers

What is the purpose of block storage devices in a computer system?

<p>To store large amounts of non-volatile data (C)</p> Signup and view all the answers

What is the main responsibility of the Control Unit (CU) in a computer system?

<p>To control overall operations of the computer system (D)</p> Signup and view all the answers

What is the function of registers in a computer system?

<p>To store intermediate results of the ALU during the calculation process (A)</p> Signup and view all the answers

What is the purpose of memory in a computer system?

<p>To store data during processing time (D)</p> Signup and view all the answers

What is the function of processor speed in a computer system?

<p>To measure the number of operations per second (A)</p> Signup and view all the answers

What is the primary role of storage devices in a computer system?

<p>To store large amounts of non-volatile data (A)</p> Signup and view all the answers

What is the purpose of an expansion bus in a computer system?

<p>To transfer data between components inside a computer or between computers (C)</p> Signup and view all the answers

What is an example of an output device in a computer system?

<p>Monitor (A)</p> Signup and view all the answers

What is the main function of a Transaction Processing System (TPS)?

<p>Storing and modifying non-routine data transactions (B)</p> Signup and view all the answers

What distinguishes an Executive Support System (ESS) from other systems?

<p>It addresses nonroutine decisions (A)</p> Signup and view all the answers

What is the primary role of Computer Hardware in an Information System?

<p>Accepting data as input, processing it, and producing an output (D)</p> Signup and view all the answers

What are the components of Information Management?

<p>&quot;People, policies/processes, technology, and data/information&quot; (D)</p> Signup and view all the answers

How does Telecommunications/Networks contribute to Information Systems?

<p>Enabling organizations to link computer systems for electronic communication. (A)</p> Signup and view all the answers

What does Computer Hardware encompass?

<p>Physical components such as the monitor,keyboards,motherboard,and CPU. (B)</p> Signup and view all the answers

What is the primary function of an expansion card in a computer system?

<p>To enhance the functionality of the computer system by adding new features (C)</p> Signup and view all the answers

What is the purpose of block storage devices in a computer system?

<p>Storing large amounts of non-volatile data (D)</p> Signup and view all the answers

What is the main responsibility of the Control Unit (CU) in a computer system?

<p>Controlling overall operations of the computer system (C)</p> Signup and view all the answers

What is the primary role of storage devices in a computer system?

<p>Storing large amounts of non-volatile data (B)</p> Signup and view all the answers

What is the function of processor speed in a computer system?

<p>Determining the number of operations per second (B)</p> Signup and view all the answers

What is an example of an output device in a computer system?

<p>Monitor (D)</p> Signup and view all the answers

What distinguishes an Information System from a general system?

<p>Having software embedded in it to perform specific tasks. (C)</p> Signup and view all the answers

What is an embedded system designed to perform?

<p>A specific task using microcontroller or microprocessor based system. (D)</p> Signup and view all the answers

What does an expansion bus do in a computer system?

<p>Connects CPU, main memory, I/O devices, and other components. (A)</p> Signup and view all the answers

What is an expansion card used for in a computer system?

<p>Adding new functionality not offered by motherboard. (B)</p> Signup and view all the answers

What are the primary components of Information Systems as per the text?

<p>Hardware, Software, People, Telecommunications/ Networks, Data, Procedures (B)</p> Signup and view all the answers

What is the main function of Hardware in Information Systems?

<p>Accept, process, show data and information (C)</p> Signup and view all the answers

What do computer programs refer to in the context of Information Systems?

<p>Machine-readable instructions that direct the circuitry within the hardware parts of the system (D)</p> Signup and view all the answers

What is the primary role of an embedded system?

<p>Perform specific tasks and functions within a larger system (A)</p> Signup and view all the answers

What is the primary purpose of a Management Information System (MIS)?

<p>Provide information for decision-making in an organization (D)</p> Signup and view all the answers

What distinguishes an Information System from a general system?

<p>Collect (input), manipulate (process), and disseminate (output) data and information (A)</p> Signup and view all the answers

What is the purpose of memory in a computer system?

<p>Store data in machine-readable form on disk until needed by the computer (B)</p> Signup and view all the answers

What is an example of an output device in a computer system?

<p>Printers (D)</p> Signup and view all the answers

What does Information Management aim to achieve?

<p>Efficient and effective collection and use of information for decision-making (D)</p> Signup and view all the answers

What is the key characteristic of an Executive Support System (ESS)?

<p>Provides support for senior executives' decision-making activities (B)</p> Signup and view all the answers

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Study Notes

  • 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.

  • 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.

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