Ways of Representating Data and Information Flashcards
What is a String?
A sequence of characters used to represent text such as addresses and names.
What is a Character?
Refers to individual letters or symbols. Each character has a corresponding code (ASCII or Unicode) that allows computers to display it.
What does Numeric include?
Includes integers used for calculations and statistics.
What is Aural representation?
Involves sound such as audio data in music or speech.
What is Visual representation?
Powerful for conveying information quickly and effectively, includes videos, images, and graphics.
What is Text?
Written or printed words used to communicate information clearly and effectively.
What are Graphics?
Visual representations used to convey complex data visually.
What are Signals?
Can be analogue or digital, used for transmitting information.
What are Analogue signals?
Continuous signals that vary in amplitude or frequency, used for transmitting information like audio or video in older technologies.
Examples: Radio waves, Television broadcasts, and Sound signals from microphones.
What are Digital signals?
Information in the form of 0s and 1s (binary), used in computers, smartphones, and the internet to send data.
Examples: Internet browsing, Sending messages, and Watching videos online.
What is Sound in auditory data?
Used for entertainment, education, and communication, includes podcasts, music, and audible notifications.
What is Video?
Moving images, often combined with sound, used to share dynamic content for entertainment, training, or communication.
Examples: Movies and TV shows, Online tutorials, and Video conferencing.
What is a Table?
Organized rows and columns for data, used to display structured data concisely.
Examples: Timetables for schedules and data in spreadsheets.
What are Special Purpose Notations?
Includes musical notations, mathematical notations, and scientific notation.
What are Musical Notations?
Notes and symbols used to record music, used to compose and perform music.
Example: Sheet music for orchestras.
What are Mathematical Notations?
Symbols and formulas used in mathematics, used to solve problems or convey mathematical concepts.
Examples: Equations like E=mc² and Graphs in algebra.
What is Scientific Notation?
Representing scientific data or measurements, used to express large or small values concisely.
Example: Atomic Masses.
