Mother board is the unit the chips sit on. The CPU is the basic central processing unit. The memory sits on a smaller board normally. There is a hard drive for program storage. It all depends what part you are thinking of.
The Device that helps us to access or enter Data/Information to the computer, is called a Input Device. The Device that helps us to get result or response from the computer, is called a Output Device.
If the device is a physical component, then it would be called "Hardware". If it is a program, file, etc., then it would be considered "Software". I hope that is the answer you were looking for; your question was a little unclear. =P
A physical port, as opposed to a virtual or logical port is an interface on a computer into which you can insert a connector for a device.
A disk hardware device refers to a physical hard drive. A physical hard drive is used to store information and often the operating system in your computer.
device driver
A disk hardware device refers to a physical hard drive. A physical hard drive is used to store information and often the operating system in your computer.
computers are called silico sepians
A printer is hardware. Software is the generic name for any computer program.
disk driver
optical
Component... Hardware.... CPU.... Memory...
What is often called a printer is simply an output device. The computer communicates with the firmware called printer drivers in the computer. The driver makes the connection with the printing output device.