The magnetic tape is generally a plastic ribbon coated with ______
A. Magnesium oxide
B. Chromium dioxide
C. Zinc oxide
D. Copper oxide
Answer:B
The magnetic tape is generally a plastic ribbon coated with ______
A. Magnesium oxide B. Chromium dioxide C. Zinc oxide D. Copper oxide
Explanation: Plastic ribbon is coated with a magnetizable recording material. Iron oxide and chromium dioxide is generally used in magnetic tapes. Data are recorded on the tape in the form of tiny invisible dots.