Online Systems
Online Systems Chapter 15
Features, Impact, and Implications
Understanding the use of online IT systems for data storage and task performance.
Exploring personal and professional applications of cloud storage and computing.
Personal Uses: Easy data storage and access across devices (PCs, tablets, smartphones).
Professional Uses: Enhanced collaboration and productivity through shared access and cloud applications.
Learning Aim C – Focusing on essential processes of operating online.
Personal and Professional Uses of Cloud Storage
Benefits of Cloud Storage
Simple and Secure Storage: Facilitates easy data access and sharing.
Devices for Access: Files can be accessed via any internet-connected device.
Examples of Access Devices:
Desktop PCs / Laptops
Tablets
Smartphones
Key Features of Cloud Storage:
Saving and organizing files and folders.
Easy sharing capabilities with other users.
Synchronization features across devices.
Major Cloud Storage Providers
Popular Providers:
Dropbox
Google Drive
Microsoft OneDrive
Apple iCloud
File Location in the Cloud
Files are stored on remote servers managed by cloud service providers.
Personal and Professional Uses of Cloud Computing
Data Centres
Definition: Large facilities housing numerous servers for data storage and processing.
Characteristics of Data Centres:
Multiple fibre optic internet connections for high speed.
Multiple electricity supplies with backup generators.
High-security standards to protect data.
Examples of Cloud Computing Applications
Commonly used cloud applications include:
Google G Suite: Productivity tools like Google Docs and Drive.
Microsoft Office 365 / OneDrive: Cloud-based Microsoft office suite and storage.
Flickr: Photo-sharing and hosting service.
Apple iCloud: Storage and sync for Apple device users.
The Internet of Things (IoT)
Definition: Network of devices and appliances embedded with software to connect and exchange data.
Examples of IoT Devices:
Home automation systems.
Smart home appliances (e.g., fridges).
Security devices like CCTV.
Wearable technology (e.g., smartwatches).
Types of Cloud Computing Services
Service Models:
Software as a Service (SaaS): Software delivered via the cloud; no installation required.
Platform as a Service (PaaS): Complete platforms for application development provided by the cloud.
Infrastructure as a Service (IaaS): Virtualized computing resources available through the cloud.
Advantages and Disadvantages of Remote Working
Advantages
No commuting to an office.
Flexibility in work hours enhances work-life balance.
Reduced costs associated with traveling and office space.
Disadvantages
Challenges in planning group projects due to lack of face-to-face interaction.
Potential distractions in a home environment can affect productivity.
Increased reliance on the internet affects accessibility and communication.
Impact on Organisations
Benefits of Cloud Computing for Organisations
Cost-Effectiveness: Typically less expensive than maintaining local storage systems.
Data Security: Enhanced safety through geographical redundancy.
Reliability: Reduced downtime through managed services and automatic updates.
Scalability and Flexibility: Adjust resources as needed based on demand.
Global Access: Data and applications accessible from anywhere.
Potential Drawbacks
Internet Dependency: Slower speeds can hinder productivity; risk of outages.
Security Risks: Vulnerability to data breaches and cyberattacks.
Positive vs. Negative Impacts on Organisations
Positive Impacts: Cost reduction; automatic backups; maintenance handled by providers.
Negative Impacts: Dependence on internet connectivity; trust in external vendors for data security.