CS Elective 3

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CS Elective 3

Lesson 1: Introduction to Database Concepts

Angelica Ong
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________ is raw, unorganized facts that need to be processed. .
A set of interrelated components that collect, manipulate, and disseminate data and information, and provide feedback to meet an objective.
Input that the system takes to produce information.
A computer and its peripheral equipment: input, output, and storage devices that also includes data communication equipment.
Sets of instructions that tell the computer how to take data in, how to process it, how to display information, and how to store data and information.
Hardware and software that facilitate fast transmission and reception of text, pictures, sound, and animation in the form of electronic data.
Information systems professionals and users who analyze organizational information needs, design and construct information systems, write computer programs, operate the hardware, and maintain software.
Rules for achieving optimal and secure operations in data processing.
Collect and introduce data to system.
Perform calculations on input.
What is produced by the information system.
Vast amounts of data stored on optical discs.
is a database that is accessed by users indirectly through an external application.
is an abstraction, simplifying the underlying component by providing a user-friendly interface. .
Organized collection of logically related data.
Stored representations of meaningful objects and events.
data processed to increase knowledge in the person using the data.
data that describes the properties and context of user data.
Was an early attempt to computerize the manual filing system that we are all familiar with.
Store data in separate computer files.
Is a system used to store and manage data that involves each department or area within an organization having its own set of files, often creating data redundancy and data isolation. .
All programs maintain metadata for each file they use. .
Different systems/programs have separate copies of the same data .
Each application has its own files and users have little opportunity to share outside their own applications.
Each new application requires that the developer essentially start from scratch by designing. .
80% of information systems budget .
A software system that is used to create, maintain, and provide controlled access to user databases. .
The _________ facilitates the processes of defining, constructing, manipulating, and sharing databases among various users and applications. .
personnel responsible for maintaining the database.
personnel responsible for designing databases and software.
People who use the applications and databases.
computer-aided software engineering.
text and graphical displays to users.
software using the data.
centralized storehouse of metadata.
software for managing the database.
storehouse of the data.
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