Tech Explainers

“Data analytics” and “data science” get used almost interchangeably in job postings, course adverts, and everyday conversation. That would be fine if they meant the same thing. They don’t. Confusing the two costs people real time. Someone enrols in a data science course expecting a data analytics job, or applies for data analyst roles with […]

Every time you send a WhatsApp message, join a Zoom call, or stream a match on your phone, something invisible is happening behind the scenes: data is finding its way from one device to another, often across cities, countries, and oceans, in a fraction of a second. That invisible system is networking. It’s the least […]

Every few weeks, another headline breaks. A bank’s customer data leaked. A hospital’s systems locked by ransomware. A company’s Twitter account hijacked overnight. A friend’s WhatsApp “hacked” and used to scam their contacts. We hear the word cybersecurity constantly, usually attached to bad news, but rarely explained in a way that actually makes sense to […]

  By Azraa Institute of Information Technology (AIIT) | Updated 2026 If you’ve been hearing the word artificial intelligence everywhere – from Lagos tech meetups to WhatsApp groups, from LinkedIn posts to job descriptions; you are not alone. AI is no longer a concept reserved for Silicon Valley engineers or science fiction movies. It is here, it […]

  By Azraa Institute of Information Technology (AIIT) | Updated 2026 You have heard the phrase a hundred times. “It is stored in the cloud.” “We moved everything to the cloud.” “The app runs on cloud infrastructure.” But what does that actually mean? If you have ever nodded along while someone talked about the cloud […]

By Azraa Institute of Information Technology (AIIT) | Updated 2026 You want to work in tech. You have no experience. You have probably already typed “how to get a tech job with no experience” into Google at least once, landed on a list of vague advice, and closed the tab feeling more lost than when […]