6.1 Freelance jobs are often done from a mobile office - NSC Information Technology - Question 6 - 2019 - Paper 2

A freelancer can work from anywhere, avoiding the costs associated with a permanent office space. This setup allows access to resources and equipment at all times and enables freelancers to remain productive regardless of their location.

The common term for digital/online space is "Cloud" or "Internet".

Examples of online data storage services include Google Drive and Dropbox.

Online storage on a web server allows immediate access to data from anywhere with an internet connection, ensuring data is consistently updated and available for collaboration. It also provides benefit of data recovery and backup in case of local failures.

Examples include image files (like .jpg or .png) used for displaying graphics on web pages, and text files (like .json or .xml) containing data for web applications.

1. Enable privacy settings to limit the visibility of personal information.
2. Do not provide personal details like cell phone numbers to avoid social engineering attacks.

Data synchronisation is the process of ensuring that two or more sets of data across multiple devices and locations are updated with the same versions of information, maintaining consistency and availability.

1. Easy to upgrade outdated hardware by swapping out components.
2. Allows for easy repair or replacement of defective parts.

A webcam is a commonly used device for conducting video conferences.

Distributed computing refers to a system where the resources of multiple computers are shared and combined to work on a single problem simultaneously.

The general public can participate in distributed computing by downloading software that utilizes idle computing resources on their devices to help process data for various projects.

AI stands for Artificial Intelligence.

A rule-based system uses a knowledge base containing fixed rules and outcomes, allowing it to provide reliable responses to queries based on established criteria without the developer needing extensive expertise in the subject matter.

1. Operating system / System software
2. Antivirus / Anti-malware products

1. Operating System: Updating closes vulnerabilities that malware can exploit, enhancing overall security.
2. Antivirus software: Regular updates ensure that the antivirus can detect and neutralize the latest malware threats.

Ransomware is a type of malware that encrypts files or devices, making them inaccessible unless a ransom is paid to decrypt them.

A DDoS (Distributed Denial of Service) attack is an attempt to make an online service unavailable by overwhelming it with traffic from multiple sources, typically by using a botnet to send numerous requests.

The term for such a programmer is 'Script kiddie'.

An uninterruptable power supply (UPS) is a device that provides backup power to a computer or storage device in the event of a power outage, ensuring that devices remain operational and data is protected.

A UPS protects against power surges and spikes, allowing safe shutdown of computers and storage devices, preventing data loss.

Lossy compression.

DRM stands for Digital Rights Management.

One example of a protocol is BitTorrent.

1. Turn off background applications that are not in use.
2. Use battery saver mode to limit power consumption.

One disadvantage is that an internet connection is required, which can be unstable and may drop calls or affect call quality.