1 What is the type of inputoutput access being used when a m

1. What is the type of input/output access being used when a microprocessor accesses input and output devices as if they were memory locations?

program I/O

standard I/O

memory mapped I/O

memory programmed I/O

2.

Which statement is true?

Most computers use von Neumann Architecture.

Most microcontrollers use Harvard Architecture.

both a and b

Most computers use DLX Architecture.

Solution

For first question memory mapped I/O is the correct answer(option c).it uses same address bus for addressing both I/O devices and memory.

Answer for second one is option (a).by comparing modern pc\'s the architecture near to answer.