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IT Learning Made Simple
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IT Learning Made Simple

Learn IT: using simple language and everyday examples to study.

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IT Learning Made Simple
IT Learning Made Simple
Nov 6, 2026 · Information Security

Computer Worms: Self-Replicating Malware That Spreads Automatically at Exponential Speed

This article explains computer worms as self-replicating malware that spreads automatically via network vulnerabilities, detailing their propagation mechanism of scanning, exploiting, and copying, illustrating exponential growth with a mathematical model, reviewing historic outbreaks like Morris, Code Red, Blaster, Sasser, and Conficker, and outlining prevention strategies including patching, firewalls, and network segmentation.

computer wormscybersecurityexponential growth
0 likes · 8 min read
Computer Worms: Self-Replicating Malware That Spreads Automatically at Exponential Speed
IT Learning Made Simple
IT Learning Made Simple
Nov 3, 2026 · Fundamentals

CPU Overclocking Explained: How to Push Your Processor Beyond Factory Limits

This article explains CPU overclocking principles (base clock × multiplier), benefits (10–30% performance gains), risks (heat, instability, reduced lifespan, voided warranty), hardware requirements (unlocked CPU, compatible motherboard, cooling, power), step-by-step BIOS tuning process, and automatic overclocking technologies like Intel Turbo Boost and AMD Precision Boost.

BIOS configurationCPU overclockinghardware tuning
0 likes · 7 min read
CPU Overclocking Explained: How to Push Your Processor Beyond Factory Limits
IT Learning Made Simple
IT Learning Made Simple
Nov 2, 2026 · Fundamentals

Why More CPU Cores Don't Always Mean Better Performance

This article explains why increasing CPU core counts doesn't guarantee proportional performance gains, covering Amdahl's Law, parallel overhead, software limitations, shared resource contention, and practical core-count recommendations for different workloads.

Amdahl's LawCPU architecturebig.LITTLE
0 likes · 7 min read
Why More CPU Cores Don't Always Mean Better Performance
IT Learning Made Simple
IT Learning Made Simple
Nov 1, 2026 · Fundamentals

Hyper-Threading: Why 2 Cores Can Act Like 4 Threads

This article explains Intel's Hyper-Threading technology, which virtualizes each physical CPU core into two logical threads to utilize idle execution units, typically boosting performance by 15-30% in multitasking and parallel workloads, while noting trade-offs like increased power consumption, heat, and security vulnerabilities such as CVE-2018-3620.

CPU architectureCVE-2018-3620Hyper-Threading
0 likes · 7 min read
Hyper-Threading: Why 2 Cores Can Act Like 4 Threads
IT Learning Made Simple
IT Learning Made Simple
Oct 31, 2026 · Fundamentals

How to Read PC Specs: CPU, Memory, GPU & Storage Explained

This guide explains key hardware specifications — CPU clock speed, cores, threads, cache, process node, TDP; memory capacity, DDR generation, frequency, timing, channels; GPU model, CUDA cores, VRAM, bus width; storage types and speeds — with generation comparisons and budget-based buying recommendations.

CPUGPUbenchmarks
0 likes · 11 min read
How to Read PC Specs: CPU, Memory, GPU & Storage Explained
IT Learning Made Simple
IT Learning Made Simple
Oct 30, 2026 · Fundamentals

Supercomputers, Mainframes, Minicomputers & Microcomputers: Computer Classification Guide

This article categorizes computers into supercomputers, mainframes, minicomputers, and microcomputers, detailing performance metrics like FLOPS, top systems such as Frontier and Fugaku, why banks rely on IBM mainframes for reliability and ACID transactions, the history and decline of minicomputers, and microcomputer types including desktops, laptops, workstations, and servers.

FLOPSIBM zSeriescomputer architecture
0 likes · 12 min read
Supercomputers, Mainframes, Minicomputers & Microcomputers: Computer Classification Guide
IT Learning Made Simple
IT Learning Made Simple
Oct 29, 2026 · Fundamentals

Quantum Computing 101: The Secret Behind Exponential Speedup Over Classical Computers

This article introduces quantum computing fundamentals, explaining how qubits leverage superposition, entanglement, and interference to achieve exponential speedups for specific problems like factorization and search, while detailing current hardware implementations, key algorithms, applications in cryptography and drug discovery, and major challenges including decoherence and error correction.

Grover's algorithmShor's algorithmentanglement
0 likes · 13 min read
Quantum Computing 101: The Secret Behind Exponential Speedup Over Classical Computers
IT Learning Made Simple
IT Learning Made Simple
Oct 28, 2026 · Artificial Intelligence

TPU vs NPU: How Specialized AI Chips Outperform GPUs

This article explains why specialized AI chips like Google's TPU and mobile NPUs are needed, details their architectures (systolic arrays, SoC integration), compares generations and vendors (Ascend, Cambricon, Edge TPU, Habana), and covers key metrics (TOPS, TOPS/W) and market landscape across training, inference, and edge.

AI acceleratorsAI chip marketASIC
0 likes · 11 min read
TPU vs NPU: How Specialized AI Chips Outperform GPUs