Digital Media Pop Quiz

Digital Media

refers to any content created, stored, shared, or consumed via electronic devices and networks. Examples: Videos, social media, websites, podcasts, e-books.

Citations

Reference at least two credible sources like scholarly articles, industry reports, or government publications. Examples: "Introduction to Digital Media," "Digital Media and Its Impact."

Interactive Media

Emphasizes user interaction with content.

Online Media

Content primarily delivered via the internet.

Digital vs. Analog Technology

Analog: Continuous signals (e.g., vinyl records).

Digital: Discrete binary signals (e.g., MP3 files).

Digital: Allows compression, easier storage, and faster transmission.

Professionals Using Digital Media

Content Creators: Use platforms like YouTube to share videos.

Web Developers: Build websites using programming languages.

Marketing Specialists: Analyze online trends for campaigns.

Bandwidth

Maximum data transfer capacity of a network, impacting streaming and file sharing.

Narrowband

Low-capacity transmission suitable for SMS or radio signals. Examples: Radio communication, text-based alerts.

Broadband

High-capacity transmission allowing multiple data streams (e.g., fiber optics).Examples: Streaming services, online gaming.

Real life application of Bandwidth,

Video streaming in 4K needs more bandwidth.

Online gaming requires fast, real-time data transfer.

Video calls need stable bandwidth for smooth communication.

Real life application of Narrowband

Radio communication in remote areas.

Text-based alerts using low bandwidth.

Real life application of Broadband

Streaming services need high-speed internet.

Online gaming relies on fast data transfer.

3 types of Transmission Modes

Simplex: One-way (e.g., TV broadcasting).

Half-Duplex: Two-way, non-simultaneous (e.g., walkie-talkies).

Full-Duplex: Two-way, simultaneous (e.g., phone calls).

Advantages and Disadvantages of Transmission Modes

Simplex: Simple, cost-effective but limited functionality.

Half-Duplex: Bidirectional communication, but time delay.

Full-Duplex: Real-time communication, but costly and complex.

Content Integration

Combining different media types like text, video, and audio into one experience. Example: E-learning platforms.

Convergence

Merging technologies into a single platform (e.g., smartphones). Example: Smartphones combining telephony, photography, and internet access.

Advantages/Disadvantages of Integration and Convergence

Advantages: Seamless content delivery, reduced redundancy.

Disadvantages: Compatibility issues, high costs.

Data Compression

Techniques like JPEG (lossy) and PNG (lossless) to reduce file size.

Compression Types

Data Compression Reducing the size of files for storage or transmission efficiency.

Lossy: Removes unnecessary data (e.g., MP3).

Lossless: Retains all data (e.g., ZIP files).

Examples of Compression

Images: JPEG (lossy), PNG (lossless).

Audio: MP3 (lossy), FLAC (lossless).

Video: H.264 (lossy), ProRes (lossless).

Digital Capture

Process of converting analog signals into digital formats (e.g., scanning).

Uploading

Sending data from a local device to a server (e.g., posting a video).

Downloading

Receiving data from a server to a local device (e.g., saving a document).

Media

Traditional communication channels like TV or print.

New Media

Interactive, internet-based platforms like social media

Streaming

Real-time data transmission for individual use (e.g., Netflix).

Webcasting

Broadcasting to multiple users (e.g., sport events).

Digital Rights Management (DRM)

A system to control access to copyrighted material. like subscription services that restrict sharing.

Advantages and Disadvantages of DRM

Advantages: Protects intellectual property.

Disadvantages: Limits user rights and accessibility.