You have to open up the computer and replace the button battery by one of the sampe type. I would recommend letting you system manufacturer do this if its still under waranty.
The Core 2 Duo.
Click on "My Computer". Right-click on the blank background and left-click on "Properties". The Core Duo is a processor, and processor information will be displayed in the bottom right of the window, along with RAM amount. If it says Core Duo, you have a Core Duo processor.
Usually, the core 2 duo is the best processor to have.
The Intel corporation says yes, it supports core 2 Duo processor.
The Core 2 Duo, by a long shot.
Both. The Intel Core Duo was a 32-bit dual-core processor. The Intel Core 2 Duo is a 64-bit processor.
Sure, why not?
The Intel Core Duo is installed into a computer as part of the computers processor and is a chip that sits in the motherboard. The Intel Core Duo is a fast processor allowing advanced gaming capabilities
The quad core processor has four cores. It is essentially two of the Core 2 Duo processors as the Core 2 Duo only has two. The quad core will be faster and as a result more expensive.
Since the core 2 duo processor has two execution units, it can execute two threads simultaneously. (If you said quad instead of duo, the answer would be four.)
Core 2 Duo will most probably be faster but a bit more expensive