Chapter 2: How Computers Work
Graphics:
2.1.1
Input, Process, Output and Storage
Input Device
Data Processing
An Output Device
2.2.1
Boot Screen
2.2.2
Bootstrap Loading
2.2.3
Generic Cold Boot Sequence
2.3.1
Desktop Model
Tower Models
Typical Parts of a Computer Case
Choosing a Computer Case
External View of a Typical Power Supply
Typical Components of a Power Supply
Selecting Appropriate Power Supply
2.3.2
ATX Motherboard Distinguishing Features
Features of ATX Motherboards
Motherboard Form Factors
Single Processor Motherboard
PC Motherboard Chipset Manufacturers
Common Motherboard Components
2.3.3
CPU Socket Types
Slot Type Processors
2.3.4
BIOS ROM Functions
2.3.5
Expansion Slot Types
Expansion Slots
Microprocessor Control Signals
2.3.6
72-pin SIMM Module
168-pin DIMM Module
RAM Types, Usage and Capabilities
2.3.7
The Monitor
Summary of Monitor Characteristics by Type
Monitor Degrees of Color Depth
Video Cards
2.3.8
9-pin Male Serial Connector
DB-25 Female Parallel Port
DB-25 Male Parallel Port
PS/2 Keyboard and Mouse Ports
USB Port/Connector
FireWire 6-pin Cable and Connector
2.3.9
SCSI Interface/Controller
Internal and External Daisy Chain
2.3.10
Floppy Drives
2.3.11
Typical Hard Disk Drive
Hard Drive Components
Hard Disk Platters
2.3.12
CD Drive Types and What They Can Do
CD-ROM Speed Ratings
Other Specifications
2.3.13
Typical NIC (Network Interface Card)
RJ-45 Plug
2.4.1
Typical Notebook Computer
2.4.2
Ni-Cad Batteries
Batteries Used in Portable Devices
2.4.3
Desktop LCD Monitor
2.4.4
Docking Station
2.5.1
How the CPU Processes Data
2.5.2
Common IRQ Default Assignments
2.5.3
Common DMA Default Channel Assignments
2.5.4
I/O Address Assignments