Notes: Topic 1 Computer Science

Bespoke Software

Custom-made software designed specifically for a user’s needs.

Off-the-shelf Software

Standardized software designed for the general public that may not meet all specific user needs.

Data Migration

The process of transferring data from one system to another, often involving compatibility issues.

Change Management

The process of guiding individuals and teams through organizational changes, ensuring communication and training.

SaaS (Software as a Service)

A software distribution model in which applications are hosted by a service provider and made available to customers over the internet.

User Documentation

Non-technical guides that help users understand how to install, operate, and troubleshoot systems.

Parallel Running

An installation process where the old and new systems operate at the same time to reduce risk.

Pilot Running

Testing a new system with a limited user group before full deployment.

Legacy System

An outdated computing system that is still in use, often inherited from a previous organization.

Firewall

A network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules.

Prototyping

Creating a preliminary model of a system to gather user feedback and refine requirements.

Usability

The ease of learning and using a system, encompassing learnability, efficiency, memorability, error handling, and user satisfaction.

Data Loss Causes

Factors leading to the loss of data including hardware failure, user error, malware, and natural disasters.

Stakeholder

Any individual or organization that has an interest or investment in a project or system.

Testing

The process of evaluating a system to identify defects and ensure it meets specified requirements.

Interactive Tutorials

Training programs that engage users in active participation to enhance learning about a system.

Data Flow Diagram (DFD)

A visual representation of how data moves through a system, highlighting the flow between inputs, processes, and outputs.

Data Migration Issues

Challenges faced during the transfer of data, such as incompatible formats or incomplete transfers.

Technical Skill Requirements

The level of expertise needed to manage and operate a system or software effectively.

Testing Types

Various methods of evaluating a system, including unit testing, system testing, integration testing, and acceptance testing.

Feedback Mechanism

Methods used to gather user input to improve systems, such as surveys and direct observations.