Physical parts of computer come under the category of computer hardware. It can be changed once in a while in comparison with computer software. Normal users dont see most computer hardware because it is enclosed as embedded systems. The term computer hardware is generally used for personal computers.
Internal computer hardware consists of motherboard having central processing unit and random access memory. Random access memory provides temporary storage of data where as CPU is used for doing all type of calculations. Second major component of computer hardware is Bus that is used to make common connection between several circuits. People can choose any type of buses as per their needs. Generally these are PCI bus, PCI-E or AGP bus, ISA bus that is outdated and UCB that is commonly used.
Computer cant be run without power supply that is case including transformer, voltage control and fan. Computer hardware includes storage controllers that are helpful in controlling the hard disk, floppy disk, CD-ROM and other drives. These can be assembled on the motherboard or expansion card directly.
Video display controller is used to generate output for the computer...
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