Nicole Carocci Physics 12 Mr.Dalzell November 19 th, 2007.

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Presentation transcript:

Nicole Carocci Physics 12 Mr.Dalzell November 19 th, 2007

The first pieces of data found on computers were in monographs and encyclopedias. In the early days the most significant computing tool was known as the Abacus. This lead to the evolution of computers.

1. Primary storage which is also known as memory, is the only one that is open to the CPU. 2.Secondary storage also known as storage popular usage is different from primary storage because it is not accessible to by the CPU. 3.Tertiary storage is also known as the large tape library. 4.The last storage section is the off-line storage also known as disconnected storage.

Wireless mice use radio frequency to transfer information from the mouse and over to the computer. There are 3 different types of wireless mice that have been created : 1.Mechanical 2.Optical 3.Laser

Wireless Keyboard

Desktop Computers

The next creation that was formed from the computer is known as laptops.  Laptops usually have liquid crystal displays and use different memory space for different things.  They are smaller computers that weigh less, and they are able to be carried around.