Depends on what you mean by from scratch, and what kind of computer. Anywhere from minutes to years.
About 5 years from the scratch,
It takes with all the matterials about four years, so from scratch it would take around seven years.
It took my brother about 4-5 hours. But its a good computer.
Perhaps it will not take as long as some think to build a computer complex enough to duplicate the human brain.
The time it will take to build a shed depends on your experience level, the availability of tools, and the right materials. If you have a shed kit, you should be able to build it in a day or less. If it is from scratch, it could take up to a week or longer.
It took Charles Babbage 9 years to get the computer right.
how long does it take to build a asimo
Currently you're looking at around $180,000 to build one from scratch
how long did it take to build the half moon
how long did it take to build the scottish parliment?
how long did it take to build cabot tower
Yes, you can definitely build a Linux system from scratch, but be warned that it may take a lot of effort, money, and energy. Don't give up though if this is a great goal of yours.