Exam (elaborations)
System Analysis and Design |133 questions and answers
- Module
- SYSTEM ANALYSIS AND DESIGN
- Institution
- Oxford University (OX)
System Analysis and Design |133 questions and answers
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System Analysis and Design 133questions and answers
Information Technology (IT) - answer the combination of hardware, software, and services that
people use to manage, communicate, and share information
Systems analysis and design - answer Step-by-step process for developing high-quality
information systems
information system - answer combines technology, people, and data to provide support for
business functions such as order processing, inventory control, human resources, accounting,
and many more
systems analyst - answer The organizational role most responsible for the analysis and design of
information systems.
System - answer set of related components that produces specific results
mission-critical system - answer An information system that is vital to a company's operations.
data - answer Facts and statistics collected together for reference or analysis
Information - answer Data converted into a meaningful and useful context
five key components of an information system - answer hardware
software
data
processes
,people
Hardware - answer The machines, wiring, and other physical components of a computer or
other electronic system
data center - answer are physical or virtual infrastructures used by enterprises to house
computer, server and networking systems and components for the company's IT (information
technology) needs
Moore's law - answer the number of transistors on an integrated circuit chip would double
about every 24 months
software - answer programs that control the hardware and produce the desired information or
results.
System software - answer manages the hardware components, includes the operating system,
security software that protects the computer from intrusion, device drivers that communicate
with hardware such as printers, and utility programs that handle specific tasks such as data
backup and disk management. System software also controls the flow of data, provides data
security, and manages network operations. In today's interconnected business world, network
software is vitally important.
Application software - answer programs that support day-to-day business functions and provide
users with the information they need, includes order processing systems, payroll systems, and
company communications networks. On a smaller scale, individual users can boost productivity
with tools such as spreadsheets, presentation software, and database management systems.
horizontal system - answer A basic system, such as an inventory or payroll package that is
commonly used by a variety of companies.
vertical system - answer Designed to meet the unique requirements of a specific business or
industry
, legacy systems - answer older information systems that remain in use because they still function
and are costly to replace
Big Data - answer the exponential growth in the volume, variety, and velocity of information and
the development of complex, new tools to analyze and create meaning from such data
NoSQL databases - answer Databases that can manipulate structured as well as unstructured
data and inconsistent or missing data; are useful when working with Big Data.
Processes - answer tasks and business functions that users, managers, and IT staff members
perform to achieve specific results
Stakeholders - answer the people whose interests are affected by an organization's activities
What does the success or failure of an information system usually depend on? - answer whether
it meets the needs of the users
Data Breach - answer The unintended release of sensitive data or the access of sensitive data by
unauthorized individuals.
What three major trends shape business today? - answer - rapidly increasing globalization
- technology integration for seamless information access across a wide variety of devices
- rapid growth of cloud-based computing software and services
E-commerce (electronic commerce) - answer The process of conducting business online for
purposes ranging from fund-raising to advertising to selling products.
B2C (business-to-consumer) - answer commercial exchange between business and consumers
conducted over the Internet.
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