Ehsan Ul Haq
Ehsan Ul Haq is the Editor-in-Chief of theCoreiTech. Ehsan leads the editorial review process and checks the Computer Basics, Computer Hardware, and Computer Networking guides for accuracy, sourcing, and clarity before publication.
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Computer Hardware
GPU Architecture Explained: Cores, Shaders, and Clusters
GPU architecture explained: streaming multiprocessors, shader cores, ray tracing and tensor cores, memory hierarchy, and how GPU generations improve.
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Computer Hardware
How Power Supplies Work: AC to DC Conversion
How a PC power supply converts AC wall power to regulated 12V, 5V, and 3.3V DC rails, plus rectification, transformers,…
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Computer Hardware
PSU Wattage Explained: How Many Watts You Need
How to estimate total system power draw, why 20 to 30 percent headroom matters, and recommended PSU wattage for gaming…
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Computer Hardware
80 PLUS Certification Explained: Efficiency Ratings
What the 80 PLUS efficiency tiers (Bronze, Gold, Platinum, Titanium) mean, how they are tested, and how higher efficiency cuts…
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Computer Hardware
Motherboard VRM Explained: Power Delivery to the CPU
Motherboard VRM explained: how the voltage regulator module converts and delivers clean power to the CPU, and why phases and…
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Computer Hardware
How to Choose a Motherboard: Buyer’s Guide
How to choose a motherboard by matching socket and chipset to your CPU, picking form factor, checking RAM support, VRM…
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Computer Hardware
PCIe Slots Explained: Lanes, Generations, and Sizes
PCIe slots explained: how lanes (x1, x4, x8, x16) and generations (3.0, 4.0, 5.0) set bandwidth, lane sharing, and which…
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Computer Hardware
Modular vs Non-Modular PSU: Which to Choose
Modular vs non-modular PSU compared: fully modular, semi-modular, and non-modular cabling, the effect on airflow and cable management, and cost.
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Computer Hardware
How to Choose a Power Supply: Buyer’s Guide
How to choose a power supply: sizing wattage to your hardware, picking an 80 PLUS tier, modular type, ATX 3.1…
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Computer Hardware
PSU Connectors Explained: 24-Pin, EPS, PCIe, and 12VHPWR
PSU connectors explained: the 24-pin ATX, 8-pin EPS CPU, 6+2 PCIe, SATA, Molex, and the 12VHPWR / 12V-2x6 GPU connector…
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Computer Hardware
Motherboard Form Factors: ATX, Micro-ATX, and Mini-ITX
Motherboard form factors compared: ATX, Micro-ATX, Mini-ITX, and E-ATX sizes, slot counts, and case compatibility for each build.
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Computer Hardware
How Motherboards Work: The Computer’s Backbone
How motherboards work: the chipset, buses, CPU socket, slots, and power delivery that connect every component and let the system…
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Computer Hardware
Motherboard Chipsets Explained: How to Read Them
Motherboard chipsets explained: what the chipset controls and how Intel Z/B/H and AMD X/B/A tiers differ in overclocking, lanes, and…
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Computer Hardware
CPU Sockets Explained: LGA, PGA, and BGA
CPU sockets explained: the difference between LGA, PGA, and BGA sockets, current Intel and AMD sockets, and how the socket…
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Computer Hardware
Wired vs Wireless Peripherals: Which Is Better?
Wired vs wireless peripherals compared: input latency, connection reliability, battery life, and interference for keyboards, mice, and headsets.
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Computer Hardware
AIO vs Custom Water Cooling: Which to Choose
AIO vs custom water cooling compared: cooling performance, cost, installation effort, maintenance, and expandability for closed-loop and custom loops.
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Computer Hardware
PC Airflow Explained: Intake, Exhaust, and Pressure
PC airflow explained: how intake and exhaust fans create air pressure, positive vs negative vs neutral pressure, and the best…
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Computer Hardware
Types of Computer Ports: A Complete Guide
Types of computer ports explained: USB-A, USB-C, HDMI, DisplayPort, Thunderbolt, Ethernet, and audio jacks, with their uses and data speeds.
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Computer Hardware
How to Lower CPU Temperature: Practical Fixes
How to lower CPU temperature: from reseating the cooler and repasting to improving airflow, adjusting fan curves, and undervolting to…
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Computer Hardware
USB Standards Explained: USB 2.0 to USB4
USB standards explained: the confusing USB 3.2 naming, speeds from USB 2.0 to USB4, connector types, and USB-C Power Delivery…
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Computer Hardware
Air Cooling vs Liquid Cooling: Which Is Better?
Air cooling vs liquid cooling compared on thermal performance, noise, reliability, cost, clearance, and maintenance to pick the right CPU…
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Computer Hardware
Mechanical vs Membrane Keyboards: Which Is Better?
Mechanical vs membrane keyboards compared: switch mechanisms, durability, typing feel, switch types, noise, latency, N-key rollover, cost, and repairability.
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Computer Hardware
How CPU Coolers Work: Heat Transfer Explained
How CPU coolers work: how heat moves from the CPU through the baseplate, heat pipes, and fins, and how fans…
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Computer Hardware
How to Apply Thermal Paste: Step-by-Step Guide
How to apply thermal paste: how much to use, the pea-dot vs line method, when to reapply, and the steps…
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