4. John wishes to print out some documents and connects her printer to the computer using one of the USB ports.
a. Identify what type of data transmission is being used
b. Give three reasons for using the USB Port
c. The printer runs out of paper while it is printing the documents. A signal is sent to the processor to request that the problem is dealt with. Name this type of signal.
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8
Answer:
it's serial transmission
because it is save, transmission is easy, and saves our time
analog I think
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2
Answer:
Oxygen is the chemical element with the symbol O and atomic number 8. It is a member of the chalcogen group in the periodic table, a highly reactive nonmetal, and an oxidizing agent that readily forms oxides with most elements as well as with other compounds. Wikipedia
Symbol: O
Atomic mass: 15.999 u
Atomic number: 8
Electron configuration: [He] 2s²2p⁴
Electronegativity: 3.44
Discoverers: Joseph Priestley, Antoine Lavoisier, Carl Wilhelm Scheele
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