Pearson Edexcel IGCSE ICT Revision- UNIT 4

What is the cloud?

• The cloud is a type of fluffy dessert made with whipped cream and fruit

• The cloud is the delivery of computing services over the internet.

• The cloud is a large group of data storage servers located in a single physical location

• The cloud is a visible mass of condensed water vapor floating in the atmosphere

List three advantages of using the cloud for storing data.

• Slow access speed

• High cost

• 1. Scalability 2. Cost-effectiveness 3. Accessibility

• Limited storage space

Explain the concept of online services.

• Services delivered over the internet or other computer networks.

• Services delivered through postal mail

• Services provided in person at a physical location

• Services transmitted via telegraph

Give an example of an online service and explain its purpose.

• Hulu - Its purpose is to provide grocery delivery service

• YouTube - Its purpose is to offer online banking services

• Example: Amazon Prime Video - Its purpose is to provide streaming of movies and TV shows to subscribers.

• Netflix - Its purpose is to sell books and e-readers

What are the potential risks of using the cloud for data storage?

• Increased physical storage space, faster data retrieval, and enhanced data security

• Cost-effectiveness, efficiency, and accessibility benefits

• Data security, privacy, and reliability risks

• Reduced risk of data breaches, improved data management, and better data backup options

How can online services be used for collaboration?

• By using a telegraph machine to share resources

• By using carrier pigeons to deliver messages and files

• By sending smoke signals to communicate with team members

• By allowing multiple users to work on the same document or project simultaneously, share files and resources, communicate through messaging or video conferencing, and track changes and updates in real-time.

Discuss the impact of online services on businesses.

• Online services only benefit businesses in the short term

• Online services have no impact on businesses

• Online services make it harder for businesses to reach their target audience

• Online services can have a significant impact on businesses by expanding their reach, reducing operational costs, and increasing competition.

Explain the difference between public and private cloud services.

• Public cloud services are less secure than private cloud services.

• Public cloud services are only accessible through a physical server, while private cloud services are accessible through a virtual server.

• Public cloud services are more expensive than private cloud services.

• Public cloud services are available to anyone on the internet, while private cloud services are dedicated to a specific organization or individual.

What are the key features of a cloud-based productivity suite?

• Offline collaboration, delayed editing, manual updates, accessibility from only one device

• Limited collaboration, no editing, no updates, accessibility from limited devices

• Online collaboration, real-time editing, automatic updates, accessibility from any device

• No collaboration, no editing, no updates, limited accessibility

How can online services be used for entertainment purposes?

• By offering virtual reality experiences

• By providing access to streaming platforms, online gaming, social media, and digital content such as music, movies, and TV shows.

• By providing access to online shopping

• By allowing users to access online banking services