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 Networking & Internet
What Is Network Attached Storage (NAS)?
What is network attached storage: a dedicated storage device connected to a network for shared file access, explained with how…
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Computer Networking & Internet
What Is Network Security?
What is network security: the practices and tools that protect a network from threats, including firewalls, encryption, access control, and…
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Computer Networking & Internet
Hardware vs Software Firewall: What’s the Difference?
Hardware vs software firewall compared: where each runs, what it protects, performance, and cost to understand which firewall type fits…
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Computer Networking & Internet
WPA2 vs WPA3: Wi-Fi Security Compared
WPA2 vs WPA3 compared: how the two Wi-Fi security protocols differ in encryption, authentication, and protection against attacks, and which…
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Computer Networking & Internet
Common Network Attacks Explained
Common network attacks explained: DDoS, man-in-the-middle, packet sniffing, spoofing, and DNS attacks, with how each works and how to defend…
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Computer Networking & Internet
What Is Cloud Networking?
What is cloud networking: hosting network resources and management in the cloud explained, including SDN, virtual networks, benefits, and common…
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Computer Networking & Internet
What Is a CDN?
What is a CDN: a network of servers that delivers web content from locations near users explained, including how CDNs…
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Computer Networking & Internet
What Is a VLAN?
What is a VLAN: a virtual LAN that segments one physical network into isolated logical networks explained, including how VLANs…
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Computer Networking & Internet
What Is NAT (Network Address Translation)?
What is NAT: network address translation that lets many devices share one public IP explained, including how NAT works, types,…
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Computer Networking & Internet
What Is Network Monitoring?
Network monitoring is the continuous tracking of a network's health, covering the metrics it measures, protocols such as SNMP and…
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Computer Networking & Internet
VPN vs Proxy: What’s the Difference?
VPN vs proxy compared across encryption, scope, speed, privacy, and security, with the four proxy types and clear guidance on…
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Computer Networking & Internet
What Is a DMZ in Networking?
A DMZ in networking is a perimeter subnet that exposes public servers while isolating the internal LAN, covering firewall designs,…
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Computer Networking & Internet
Computer Networking Guide: How Networks Work
A complete guide to computer networking: fundamentals, devices, home networking, security, and cloud topics, with 37 in-depth articles.
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Computer Networking & Internet
What Is a Router?
A router forwards data packets between networks by reading destination IP addresses. Learn how routing works, what a home router…
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Computer Hardware
How to Overclock a CPU: Step-by-Step Guide
A step-by-step guide to overclocking a CPU safely: hardware requirements, BIOS multiplier and voltage steps, stress testing, temperature limits, and…
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Computer Hardware
CPU Architecture Explained: How a Processor Is Built
CPU architecture covers the control unit, ALU, registers, cache, pipelines, and instruction sets that define how a processor executes code.
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Computer Hardware
Intel vs AMD: Which CPU Brand Is Better?
Intel vs AMD compared on gaming, productivity, power, price, and platform longevity to show which CPU brand fits each use…
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Computer Hardware
CPU Clock Speed Explained: GHz, Turbo Boost & Performance
CPU clock speed explained: what GHz measures, base vs boost clocks, how clock speed affects performance, and why higher GHz…
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Computer Hardware
How RAM Works: Inside Computer Memory
RAM is volatile working memory that holds active data for the processor. This guide explains DRAM cells, refresh, the memory…
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Computer Hardware
How Much RAM Do You Need?
How much RAM you need by task: 8GB, 16GB, 32GB, and 64GB use cases for browsing, gaming, content creation, and…
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Computer Hardware
CPU Cache Explained: L1, L2, and L3 Memory
CPU cache explained: how L1, L2, and L3 cache work, their sizes and speeds, cache hits vs misses, and the…
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Computer Hardware
CPU Generations Explained: How Processor Families Evolve
CPU generations explained: how Intel Core and AMD Ryzen number their generations, what changes each generation, and how to read…
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Computer Hardware
Best CPUs for Gaming: How to Choose by Tier
Choose the best CPU for gaming by tier: what makes a gaming CPU, why single-thread speed and cache matter, and…
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Computer Hardware
Best CPUs for Workstations: Choosing for Productivity
Choose the best CPU for workstations by workload: why core count and memory bandwidth matter for rendering, video editing, and…
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