A. Logic Operations

Identify both the mask and the Boolean operation needed to accomplish each of the following objectives. (2 pts each)

1. Clear the middle four bits of an eight-bit pattern without disturbing the other bits.

2. Take the complement the last four bits of an 8-bit pattern without changing the other bits.

3. Set all but the least significant bit of an 8-bit pattern without disturbing the least significant bit.

4. Change a lowercase ASCII code character to its corresponding uppercase code.

B. Logic Gates

1. (4 points) Given the logic circuit shown, construct a truth table that describes its behavior.

**** I need the detailed explanation with steps ***

A P Z B