Introduction to Motherboard


Introduction to Motherboard
A motherboard is an electronic circuit board in a computer which interconnects hardware devices attached to it. At a minimum it includes one or more Central processing units, and the main processing activity of the computer takes place on it. However, other connected printed circuit boards may contain their own pre-processing or post-processing CPUs, to take some of the load off of the motherboard; these, together with other plug-in boards without CPUs, may be called "daughter boards." It was called a "mother" board in relation to these. A PC motherboard may have a series of sockets, allowing daughter boards to be plugged in directly. Other connectors on the motherboard allow communication through cables with various peripheral devices, both inside and outside the computer case.
Ports
Ports are used by a motherboard to interface with electronics both inside and outside of the computer.
Serial
PS/2A legacy technology, serial ports were most often used to connect a mouse or modem. By circa 2000, most personal computers stopped relying on serial ports and were replaced by PS/2 and/or USB ports. Serial ports are sometimes still used for specialized applications such as industrial automation systems, scientific instruments, and point of sale systems.
PS/2 ports (now outdated) were for connecting peripherals such as your keyboard and mouse to the computer. PS/2 based mice and keyboards have now been replaced by USB ports as the popular standard. This trend for USB over PS/2 started in circa 2004.
Parallel
Parallel ports are used to connect other peripherals such as joysticks, and more commonly, printers. Similar to the serial port, this technology is slowly being phased out in favour of USB. Parallel ports can still be found in many motherboards today.
scsi
Pronounced "scuzzy", this was used primarily as a connection interface for tape drives and hard disk drives. SCSI has been superseded in favour of newer and cheaper technologies such as USB and Firewire.
USB
USB, short for Universal Serial Bus, is an industry standard developed in the mid-1990s that defines the cables, connectors and communications protocols used in a bus for connection, communication, and power supply between computers and electronic devices. A bus is a communication system that transfers data between components inside a computer, or between computers
Firewire
Technically known as the IEEE 1394 interface, but dubbed by Apple as Firewire, this connection medium hoped to surpass USB in terms of speed and popularity. While it did outperform USB v2 in speed tests, uptake was very limited due to the existing widespread use of USB.

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