3.00E+08
345
ff8
5.00E+08 E. be8
Answer is Right!
Answer is Wrong!
The correct answer is A. 3e8.
The I/O address for COM3 is 3e8. This is a standard address that is used by most operating systems. It is located in the I/O address space, which is a range of addresses that are used by devices to communicate with the CPU.
The other options are incorrect. Option B, 345, is not a valid I/O address. Option C, ff8, is the I/O address for COM1. Option D, 5.00E+08, is not a valid I/O address. Option E, be8, is the I/O address for COM2.
I hope this helps!