Basics of Artificial Intelligence (AI)

Introduction

On Thursday July 30, 2026, I wrote an article titled “Academic theories on technology adoption”, which I summarised as including the following:

Diffusion of Innovation (DOI) theory,

Technology–Organisation–Environment (TOE) framework,

Resource-Based View (RBV),

Institutional Theory,

Technology Acceptance Model (TAM),

Theory of Planned Behaviour (TPB),

Unified Theory of Acceptance and Use of Technology (UTAUT) and UTAUT2.

In the same article, I promised that, space permitting, I would write several articles on Artificial Intelligence (AI), and I do hereby commence. In this article, I have relied on AI itself. I will explain some of the AI tools in future articles.

Attempt at defining AI

Artificial Intelligence (AI) is the science of making machines that can think, learn and make decisions like humans. At its core, AI involves creating systems that can perform tasks requiring human intelligence, such as recognising images, understanding speech, solving problems and making decisions.

In simple terms, AI is like having a smart computer that can learn from experience, solve problems and make decisions on its own. Rather than merely following rigid instructions, AI systems can process large amounts of data, identify patterns and improve their performance over time. This capability has transformed industries worldwide, from healthcare and finance to agriculture and manufacturing.

Imagine Artificial Intelligence (AI) as a sponge or a newborn child. Both start with almost nothing, yet possess an extraordinary capacity to absorb, learn and adapt from the world around them.

The birth of Artificial Intelligence

According to the AI tools I used during my research for this article, while the idea of intelligent machines dates back to ancient myths and early automatons, AI as a formal field of study began in the 1940s and 1950s. The 1950s mark the true beginning of Artificial Intelligence as a recognised discipline. In 1950, British mathematician Alan Turing published a groundbreaking paper titled “Computing Machinery and Intelligence”, introducing what is now known as the Turing Test – a way to evaluate whether a machine can exhibit intelligent behaviour indistinguishable from that of a human.

The term “Artificial Intelligence” was officially coined in 1956 by American computer scientist John McCarthy at the Dartmouth Conference, a seminal workshop that brought together researchers to explore how machines could simulate human intelligence. McCarthy defined AI as “the science of making intelligent machines.”

How AI works

AI systems rely on several key technologies:

Machine Learning (ML): Algorithms that learn from data without being explicitly programmed.

Deep Learning: A subset of ML using neural networks with many layers to model complex patterns.

Natural Language Processing (NLP): Enabling machines to understand and generate human language.

Computer Vision: Allowing machines to interpret and analyse visual information.

These technologies enable AI to process vast datasets, recognise patterns and make predictions or decisions with increasing accuracy.

AI and algorithms

In Artificial Intelligence (AI), an algorithm is a set of step-by-step instructions or rules that tells a computer how to learn from data, recognise patterns, make decisions and perform tasks that typically require human intelligence. Think of it as a recipe: the algorithm takes inputs (data), follows a defined process and produces outputs (predictions, classifications or actions). In conventional programming, humans write explicit rules (algorithms) for every possible scenario. In AI, algorithms enable machines to learn from examples rather than being explicitly programmed for each case. The algorithm analyses training data, identifies patterns and builds a model that can generalise to new, unseen data.

AI algorithms perform three essential functions:

Data Processing: Accepting and analysing input data (images, text, numbers, sensor readings).

Pattern Recognition: Identifying statistical relationships, correlations and structures within the data.

Decision-Making: Using learned patterns to make predictions, classify information or recommend actions.

Why AI matters for Zimbabwe

For Zimbabwe, AI presents opportunities to leapfrog traditional development challenges. In agriculture, AI can optimise crop yields through predictive analytics. In finance, it can enhance credit scoring, fraud detection and forecasting. In healthcare, AI-powered diagnostics can improve access to medical expertise in remote areas.

However, realising these benefits requires investment in digital infrastructure, skills development and ethical frameworks to ensure AI serves all Zimbabweans equitably.

The road ahead

From its humble beginnings in the 1950s to today’s sophisticated systems, AI has evolved from a theoretical concept to a transformative force. As we stand on the brink of further breakthroughs – from generative AI to autonomous systems – understanding the basics of AI is no longer optional; it is essential for policymakers, business leaders and citizens alike. For Zimbabwe, the question is not whether to adopt AI, but how to harness it responsibly to drive inclusive economic growth and sustainable development.

Conclusion

AI is here to stay and will transform many things in many different areas, with serious implications for many careers, as it will replace many manual processes. I promise to write more on AI.

Disclaimer

This simplified article is for general information purposes only and does not constitute the writer’s professional advice.

Godknows (GK) Hofisi, LLB (UNISA), B.Acc (UZ), Hons B.Compt (UNISA), CA(Z), ACCA (Business Valuations), MBA (EBS, Heriot-Watt, UK), is the Managing Partner of Hofisi & Partners Commercial Attorneys, a chartered accountant, insolvency practitioner, commercial arbitrator and registered tax accountant, and advises on deals and transactions. He has extensive experience from industry and commerce and is a former World Bank staffer in the Resource Management Unit. He sits on the Board of the Council of Estate Administrators in Zimbabwe. He writes in his personal capacity. He can be contacted on +263 772 246 900 or at [email protected] or [email protected]. Visit www.hofisilaw.com for more articles.

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