What are I/O Addresses (Port Addresses)
Before you start Objectives: Learn what is I/O address, what is hexadecimal notation, and default I/O port assignment. Prerequisites: no prerequisites. Key …
Hardware
The Hardware category delves into the physical components that power our computers. Explore detailed guides, reviews, and tips on choosing the right processors, motherboards, storage devices, and peripherals to build or upgrade your computer system.
What are Direct Memory Access (DMA) Channels
Before you start Objectives: Learn what is DMA, how many DMA channels are there, and why are they used. Prerequisites: no prerequisites. …
What are Interrupt Requests (IRQ)
Before you start Objectives: Learn what are IRQs, why are they used, what are default IRQ assignments, and how are they …
Random Access Memory Problems and Troubleshooting
Before you start Objectives: Learn about typical memory problems and how to diagnose them using memory testing tools. Prerequisites: no prerequisites. Key …
Heat Management
Before you start Objectives: learn why is cooling so important when dealing with modern PCs, and which components generate most heat. …
Video Adapter
Before you start Objectives: learn what is video card and what should we consider when we buy new card. Prerequisites: no prerequisites. …
CMOS, BIOS and Boot Process
Before you start Objectives: Learn the difference between BIOS and CMOS. Also, learn how our PC starts. Prerequisites: no prerequisites. Key terms: device, …
Random Access Memory
Before you start Objectives: learn what is RAM, what is the difference between SRAM and DRAM, various types of DRAM and …
Central Processing Unit
Before you start Objectives: learn what is CPU and all associated terms. Prerequisites: no prerequisites. Key terms: processor, cache, speed, cpu, performance, memory, …
Expansion Slots
Before you start Objectives: learn which slots (buses) are being used to add new features to personal computers. Prerequisites: you should know …