Physical component means Computer Hardware which you can touch and non Physical component means Software, which you can not touch. nonphysical component designed specially for physically component. like Microsoft company designed Software according the Hardware for example Microsoft windows 64 bit could not install on which 32 bit Architecture Hardware.
Answer:
Home & End are used to move the cursor to the start and end of a line
1.press window key + R
2.type cmd and press enter
3. write "ipconfig /all" without quotes and press enter
4. look for physical address word
that's your Mac address
Answer:
The projector con be used to show videos or pictures on a particular subject or topic to gain more understanding
