A 7 x 5 block with even parity checks is received as 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 1 1 1000 1 0 0 1 a) Which bit is an error? ( redraw the corrected data matrix sent) b) Give an example of another received data where there are bit error(s) but the even parity checks can't detect them 1 1