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 only
I and III only
II only
I and II only

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Computer Basic Information
The proper definition of a modern digital computer is

a machine that works on binary code
a more sophisticated and modified electronic pocket calculator
an electronic automated machine that can solve problems involving words and numbers
any machine that can perform mathematical operations
None of these

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