BIOS/ Firmware

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BIOS, Hardware Components, Hardware, Firmware
The firmware is a kind of software that is encoded in hardware like ROM. It can be also run without extra instructions from the operating system. BIOS (Basic Input/ Output System) is the one of the best example of firmware in a computer system. They are burned into a flash memory chip available on the motherboard. BIOS chip is the second most important chip in the computer system after the CPU and this chip contains the BIOS framework programming that boats the framework and start the memory and hard-disk drive to permit the operating system to start. This chip can be recognized as it have on it the name of producer and generally the word BIOS as shown in the figure underneath with the maker name AMI.

Power connectors
The motherboard require power for working and it has a unique 24-pins square connector that allows the motherboard to be associated with the power supply to receive power. These connector is the place the ATX power adaptor connects.

Disk Connectors
It have disk connectors that is used for associating the hard-disk drive (HDD) which is changeless storing device. Today these are few different kinds of hard-disk drive connectors accessible. One is IDE (Integrated Drive Electronics) connector or PATA (Parallel Advanced Technology Attachment) which is older one. The other one is Serial ATA (SATA) which is more up to date and much faster than PATA. SATA has not any pin while the PATA has large number of pins.

Expension Slots
The expension slots is used to install various devices in the PC (Personal Computer) to extend its performance and capacities. Some expansion gadgets that can be install in these slots include sound card, video card, network card and disk interface cards.

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