Computer Basic Information
Arithmetic logic unit I.   perform arithmetic operations II.  store data III. perform comparison IV.  communicate with input devices from above the correct one is

I and II only
I only
I and III only
II only

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Computer Basic Information
The real business and competitive value of information technology lies in:

The capabilities of software and the value of the information a business acquires and used.
The software application that are used by many companies.
The infrastructure of hardware, networks, and other it facilities that are commonly used by many companies.
The capabilities of the hardware and the speed at which it processes information.

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