Viruses
| A. | are usually spread by users downloading viral programs from public bulletin boards or exchanging floppy disks containing an infection |
| B. | are beneficial for program |
| C. | both (a) and (b) |
| D. | none of these |
Answer : A Explanation : |
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Option: A Explanation : Explanation will come here. Explanation will come here. Explanation will come here. Explanation will come here. Explanation will come here. |
