Computer Hardware, Software, and Business Applications Overview

What is a hard disk?

A type of secondary memory device used for storing large volumes of data.

What is an example of an information system in a university?

A university database that collects data on student demographics and can generate information like the number of students in each major and average age.

What is the importance of the information system's user interface?

A well-designed user interface increases the likelihood that users will understand and effectively use the information provided.

What is a management information system (MIS)?

An organized integration of hardware and software technologies, data, processes, and human elements designed to produce timely, integrated, relevant, accurate, and useful information for decision-making.

What are some trends expected to continue in the future of IT?

Cloud computing, smart machines, and pervasive analytics.

What is the significance of code reuse in OOP?

Codes written for one object can be modified and reused for another object.

What challenges will arise with the growth of the Internet?

Computer criminals will become more sophisticated, making it harder to protect personal information.

What is the difference between computer literacy and information literacy?

Computer literacy involves skills in using productivity software and basic knowledge of hardware, while information literacy is about understanding the role of information in generating and using Business Intelligence (BI).

What does rivalry among existing competitors indicate?

It is high when competitors occupy the same marketplace position and low when there are few competitors.

What does supplier power indicate in Porter's Five Forces Model?

It is high when customers have fewer options and low when they have more options.

What does buyer power indicate in Porter's Five Forces Model?

It is high when customers have many choices and low when they have few choices.

What is the threat of substitute products or services?

It is high when many alternatives to an organization's products and services are available.

What are objects in OOP?

Items that contain both data and procedures to read and manipulate that data.

What are the main responsibilities of an operating system?

Job management, resource allocation, data management, communication, and controlling all other programs.

What are fourth-generation languages (4GLs)?

Languages that use powerful commands and macro codes to simplify programming.

What are fifth-generation languages (5GLs)?

Languages that utilize artificial intelligence technologies for natural language processing and visual programming.

What is cloud storage?

Online storage involving multiple virtual servers hosted by third parties, allowing access to data anytime, anywhere.

What are some categories of IT jobs?

Operations and help desk, programming, systems design, web design, and network design.

What makes high-level languages self-documenting?

Their syntax is designed to be easier to read and understand, which aids in coding and learning.

What is the outlook for hardware and software costs in the future?

They are expected to decline.

How can forecasting models be used in information systems?

They can estimate trends, such as the fastest growing major in a university, aiding in decisions on faculty hiring and facilities planning.

What can forecasting models in information systems help predict?

They can help predict the next sales period.

What is multiprocessing?

The use of two or more CPUs in a single computer system.

What is the primary focus of fifth-generation languages?

To facilitate natural conversations between humans and computers through AI technologies.

What is the primary purpose of computers in business?

To process data and facilitate decision-making.

What is the function of a Financial Information System (FIS)?

To provide timely information to financial executives.

What is the purpose of a Logistics Information System (LIS)?

To reduce the cost of transporting materials while maintaining safe and reliable delivery.

What is the purpose of cache RAM?

To store recently accessed memory for faster access.

What are the five generations of computer languages?

1. Machine language, 2. Assembly language, 3. High-level languages, 4. Fourth-generation languages, 5. Natural language processing.

How do fourth-generation languages differ from third-generation languages?

4GLs use macro codes that can replace several lines of programming, making them easier to learn.

What is a USB flash drive?

A portable storage device that uses flash memory and connects via USB.

What is object-oriented programming?

A programming paradigm based on the concept of 'objects', which can contain data and code.

What is object-oriented programming (OOP)?

A programming paradigm organized around objects that represent real-world entities, as opposed to traditional computational steps.

What is a Personnel Information System (PIS)?

A system designed to provide information that helps decision makers in personnel carry out tasks effectively.

What is a transaction-processing system (TPS)?

A system that focuses on data collection and processing, used for cost reduction and applied to structured tasks with minimal human involvement when automated.

What is a database management system (DBMS)?

A system used to create, organize, and manage databases, reducing the time needed to gather, process, and interpret data.

What does GIGO stand for?

Garbage In, Garbage Out; it means that erroneous input data leads to erroneous output.

What is the purpose of a disk drive?

A peripheral device for recording, storing, and retrieving information.

What is a database?

A collection of relevant data organized in a series of integrated files, essential for the success of any information system.

What is a server?

A computer and software that manages network resources and offers services to a network.

What is a storage area network (SAN)?

A dedicated high-speed network that connects and manages shared storage devices.

What is a computer?

A machine that accepts data as input, processes data using stored instructions, and outputs information.

What are some common applications of computers in business?

Accounting, inventory management, customer relationship management (CRM), and project management.

What is ASCII?

American Standard Code for Information Interchange; a data code for text files and PC applications.

What are examples of server platforms?

Application servers, database servers, file servers, and web servers.

What are the two main components of a CPU?

Arithmetic Logic Unit (ALU) and Control Unit.

What are the three basic operations of a computer?

Arithmetic operations, logical operations, and storage and retrieval operations.

How do computers enhance productivity in a business environment?

By automating tasks, improving communication, and enabling data analysis.

How does OOP facilitate effective problem solving?

By breaking down a program into smaller, manageable problems that can be solved individually.

How can businesses leverage cloud computing?

By storing data and applications online, allowing for remote access and scalability.

What role does data security play in business computing?

Data security protects sensitive information from unauthorized access and breaches.

What is the role of data in an information system?

Data serves as the input to the system, sourced from internal and external factors, and has a time orientation for past, current, and future data.

What are the four major components of an information system?

Data, database, process, and information.

What tasks are involved in designing a management information system?

Defining system objectives, collecting and analyzing data, and providing information in a useful format for decision-making.

What are classes in OOP?

Definitions that specify the format of an object and the actions it can perform.

What are output devices?

Devices that display output from the computer, such as monitors and printers.

What are input devices?

Devices that send data and information to the computer, such as keyboards and mice.

What types of data can be collected in an information system?

Disaggregated data for detailed analysis and aggregated data for overall performance reporting.

What is one major advantage of modularity in OOP?

Easier to write, modify, and troubleshoot than traditional codes.

What is the role of information in an information system?

Information consists of analyzed facts that serve as outputs of the system, aiding in decision-making.

What is the competitive advantage gained from information systems?

Information systems provide organizations with historical, current, and predictive views of business operations, enhancing their competitive edge.

What are graphical user interfaces (GUIs)?

Interfaces that are flexible and easy to use, enhancing the likelihood of users understanding and utilizing information.

What does a Marketing Information System (MKIS) improve?

It improves marketing decisions by providing timely, accurate, and integrated information about the marketing mix.

What is the role of the process component in an information system?

It analyzes data to provide information such as sales performance by salesperson, product, or region.

What is the process component of an information system?

It generates the most useful type of information for decision-making, including transaction-processing reports and decision analysis models.

How does a Manufacturing Information System (MFIS) benefit a company?

It manages manufacturing resources, reduces costs, increases product quality, and improves inventory decisions.

What are the applications of management information systems?

MIS applications are utilized in both private and public sectors for effective decision-making.

What is the difference between main memory and secondary memory?

Main memory is volatile and loses data when powered off, while secondary memory is nonvolatile and retains data.

What are the two main components of OOP?

Objects and classes.

List Michael Porter's three strategies for competing in the marketplace.

Overall cost leadership, differentiation, and focus.

What does a Chief Technology Officer (CTO) do?

Oversees long-range planning and monitors new developments that can affect a company's success.

What is the function of the Arithmetic Logic Unit (ALU)?

Performs arithmetic and comparison operations.

What is RAM?

Random Access Memory; a type of volatile memory that can be read from and written to.

What is ROM?

Read-Only Memory; a type of nonvolatile memory that cannot be written to and typically stores BIOS information.

What are common applications of computers and information systems?

Reducing costs, gaining competitive advantage, online classes, grocery and retail stores, telecommuting, social networking, and video sharing.

What is the responsibility of a Database Administrator (DBA)?

Responsible for database design and implementation, requiring knowledge of data warehouses and data-mining tools.

What is application software?

Software that performs specialized tasks such as word processing, spreadsheets, and graphics.

What is system software?

Software that works in the background to manage tasks like deleting unneeded files.

What is the significance of speed in computers?

Speed is measured by the number of instructions performed per fraction of a second, affecting performance.

What types of tasks can application software perform?

Tasks such as desktop publishing, financial planning, accounting, project management, and computer-aided design (CAD).

What is the role of the Control Unit in a CPU?

Tells the computer what to do and manages data flow between devices.

Name two types of information technologies used in information systems.

The Internet and database systems.

What is machine language?

The first generation of computer languages consisting of a series of 0s and 1s, machine-dependent and time-consuming to write.

What is the future outlook of information systems?

The future of information systems includes advancements in technology and increased integration into business processes.

What is meant by ubiquitous computing?

The integration of computing into everyday objects and activities.

What is a motherboard?

The main circuit board containing connectors for attaching additional boards and components.

What is assembly language?

The second generation of computer languages that uses short codes or mnemonics, easier to write than machine language.

What are high-level languages?

The third generation of computer languages that are machine independent and easier to learn, used for web development.

What qualities make information useful in an information system?

Timeliness, integration with other data, consistency and accuracy, relevance, and the ability to provide insights or options for users.

What is the role of the supervisor program in an operating system?

To control all other programs within the OS.

What is the primary function of an operating system?

To control and manage computer hardware and software, providing an interface between the computer and the user.

What is the function of a plotter?

To convert output to graphics.

What is the significance of informal information in problem-solving?

Users may need to utilize informal information, such as rumors or unconfirmed reports, when addressing issues.

What is the difference between volatile and nonvolatile memory?

Volatile memory loses its content when power is off, while nonvolatile memory retains its content.