All the major componnets work together to make it operate. One could argue that a Power Supply Unit (PSU) would be needed first off in order to get the other components working.
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Power supply, hard drive, processor, system board, and RAM pretty much sums it up I think. All of these (or some substitution for such) are required. As long as you have these, it will work nailed to a 2x4 (yes, I have done it -lol-)
Case, fans, etc are nice but not required in the STRICTEST sense of the word.
Booting
Computer software tells the hardware what to do. Without any software, the hardware would be worthless. Think of the software as a subject in school, and the hardware as you or your brain. Without any learning, you can't do anything. One you have learned some math, then you are able to solve math problems. This learning is usually accomplished through downloads or CD's that are loaded into the computer.
You cannot use Wacom Cintiq 13HD without a computer. This will have to be downloaded to a computer in order for this to be used.
Anything that is not a UPS will not protect a computer during a blackout
Anything you could program it to do.
By going to on demand on the computer.
computer can do any work but without help of human computers cant do anything
A laptop IS a computer. They can certainly be used for most applications without being connected to anything. Many have wireless capability and can connect to the internet without being directly connected to anything else, but they are connected, it's just wireless.
no u cant i wish thow:(
Minecraft, Runescape, most computer games and Club Pogo!
Both are vital components of your computer without a motherboard their would be no possible way to run your computer since it like the "brain" of the computer. Without a CPU, your computer would not be able to process anything, it might not even start up.
ask the owner! :) anything else isn't nice at all.
Because then you don't have anything to do with your computer. Software is the applications on your computer.
If you can boot your computer without connecting or inserting anything and not being connected to a network, its pretty safe to say you a hard drive. Booting a computer without using one of the above methods is possible, but rare.
A computer program that utilizes 3D graphics.
Because without an operating system, your computer will not be capable of doing anything useful.
Very simple, through a process known as disc-to-disc ripping.