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First, the hardware composition
Motherboard CPU hard disk memory graphics card NIC Optical drive chassis monitor Keyboard mouse
Second, Hardware introduction
1. CPU Processor
Clock frequency: The CPU core works
64-bit technology: Processor 1 times can run 64bit of data
Cache: Alleviates the speed difference between CPU and memory
Multi-core technology: one processor on a single semiconductor has multiple processing cores of the same function
Interface: Number of pins INTEL 478 775 1366
AMD 939 940 938
Common brands
Intel Pentium Pentium Celeron Celeron Core Duo Xeon Xeon® Itanium Itanium
AMD Opteron althon Athlon Yi Long Phenom (4-core processor with a new architecture) Dragon Sempron poison dragon Duron Dazzle Dragon Turion

2. Storage device
Memory
Sdram
Ddr
Ddrii
Ddriii

Hard disk
Capacity
Cache
Speed
Interface: IDE SATA (current mainstream) SCSI
Drive
3. Graphics card
Memory capacity
Display Chip ATI NVIDIA
Bus interface PCI AGP PCI-E (current mainstream)

4. Motherboard
Type
At
Atx
Micro-atx
BTX (current mainstream)

North Bridge: From the CPU, responsible for the CPU, memory, video card communication between.
South Bridge: Far from the CPU, responsible for communication between the I/O bus.

Product: ASUS Gigabyte MSI Intel

5. External equipment
Monitor CRT LCD touch screen Technology
Keyboard
Mouse
VGA connector: 15 PIN number of video interface, mainly used for old-fashioned computer output. The VGA outputs and transmits analog signals.
DVI interface: DVI interface has two standard, 25-pin and 29-pin, intuitively speaking, these two interfaces are no different. The DVI interface transmits digital signals that can transmit large-resolution video signals. DVI is connected to the computer graphics and display without conversion, so there is no loss of signal.
HDMI interface: HDMI interface is also a digital signal transmission, so in the video quality and DVI interface transmission achieved basically the same effect. The HDMI interface is also capable of transmitting audio signals.
Third, BIOS settings
BIOS basic input/output system (software program)
CMOS complementary metal oxide semiconductor hardware device, the CMOS parameters are set through the BIOS program.

1, into the BIOS, generally press DEL or F2
2, the common BIOS has the AMI BIOS, award bios, Phoenix BIOS
3, Crack the BIOS method: 1) Take off the battery and then put it in a few hours to clear it up.
2) Short-answer BIOS jumper

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