David Okonkwo
David Okonkwo holds a PhD in Computer Science and has been reviewing tech products and research tools for over 8 years. He's the person his entire department calls when their software breaks, and he's surprisingly okay with that.
Publishing in Research & Academic Tools
How We Create Our Content
Every article published by David Okonkwo follows a structured editorial process designed to deliver accurate, practical answers. Topics are identified through search trend analysis, reader questions, and gaps in existing online coverage.
Each article is cross-referenced against authoritative sources including government agencies, academic institutions, and established industry publications. External citations are included throughout the article so readers can verify claims independently.
Articles are edited and fact-checked by the TechFactsHub editorial team for accuracy, clarity, and completeness before publication. Pieces are periodically updated to reflect new information, corrected data, or evolving best practices.
What Are The Three Boolean Operators And What Are They Used For?
Boolean operators shape how search engines and databases understand your queries. These three—AND, OR, NOT—help you zero in on exactly what you need, whether you're coding or just hunting for informa...
What Are The Steps In Forecasting System?
Quick Fix Summary Start by defining what you need the forecast to tell you. Then pick the right items to track, set your timeframe, choose a model, clean up your historical data, run the forecast, an...
What Are The Inputs In Bank?
Quick fixes for common bank input headaches: TL;DR: When your bank’s input data won’t process, double-check the file format matches what the bank expects (CSV, XML, etc.) and confirm all required fi...
What Are Unilateral Transfers?
A unilateral transfer is just what it sounds like—a one-way deal where money, goods, or services move from one party to another with no strings attached. No payback expected, no quid pro quo. As of 2...
What Are The Basics Of GST?
Quick Fix Summary Filing GST in India by 2026? Head to gst.gov.in, register with your PAN and state code, upload invoices, then pay through the portal. CGST, SGST, IGST or UTGST get calculated automa...
What Are The PHP Operators?
Quick Fix Summary Need a fast answer? PHP uses eight main operator types: arithmetic, assignment, comparison, increment/decrement, logical, string, array, and conditional assignment. Arithmetic handl...
What Application Does UW Use?
If you're applying to the University of Washington (UW) as a freshman in 2026, you’ll use the Coalition Application—UW’s only accepted application platform since 2018. Both U.S. and international stu...
What Are The Users Of Accounting Information?
Internal users (owners, managers, employees) use accounting information for daily operations, payroll, and performance tracking; external users (investors, lenders, tax authorities, regulators) use i...
What Does Junk Science Mean?
Quick Fix Spotted something labeled “junk science”? First step: check the source. Look it up on PubMed or Google Scholar and hunt for any conflicts of interest statements. Still unsure? Tap into an i...
What Do You Mean By Differential Equation?
A differential equation ties a function to its derivatives, treating change itself as part of the math. In plain terms, it’s an equation that says how fast something is changing and what affects that...