We need a logic circuit that gives an output x that is high only if a given hexadecimal digit is even (including 0) and less than 7. the inputs to the logic circuit are the bits b8, b4, b2, and b1 of the binary equivalent for the hexadecimal digit. (the most significant bit is b8, and the least significant bit is b1.) construct a truth table and the karnaugh map; then, write the minimized sop expression for x.

Agas contained within a piston-cylinder assembly e end nation about same energy states, 1 and 2, where pi 10 bar, v undergoes two processes, a and b, between the sam 0.1 m3, ui-400 kj and p2 1 bar, v2 1.0 m2, u2 200 kj: process a: process from 1 to 2 during which the pressure- volume relation is pv constant process b: constant-volume process from state 1 to a pressure of 2 bar, followed by a linear pressure-volume process to +20 0 state 2 kinetic and potential energy effects can be ignored. for each of the processes a and b, (a) sketch the process on p-v coordinates, (b) evaluate the work, in kj, and (c) evaluate process the heat transfer, in kj