1. Name the first PC virus.
2. In which language are viruses written for Microsoft programs?

The first IBM PC virus in the "wild" was a boot sector virus dubbed (c)Brain, created in 1986 by Amjad Farooq Alvi and Basit Farooq Alvi in Lahore, Pakistan, reportedly to deter unauthorized copying of the software they had written. The first virus to specifically target Microsoft Windows, WinVir was discovered in April 1992, two years after the release of Windows 3.0.

Explanation:

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answer; insolated i/o uses separate memory space,and on the other hand memory mapped i/o uses memory from the main

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