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. …
Hardware
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 …
Motherboard Components
Before you start Objectives: learn the different components which can be found on typical Motherboard. Prerequisites: you should be familiar with ports …