How many pulses are needed to change the contents of a 8-bit up counter from 10101100 to 00100111 (rightmost bit is the LSB)?
(A)
134
(B)
133
(C)
124
(D)
123
Answer: (D)
Explanation:
8 bit Counter range 0-255 To go from 10101100 (172) to 00100111 (39)
- first counter will move from 172 to 255(255-172=83)
- 255 to 0=1 pulse
- and then 0 to 39(39-0=39).
Total=83+1+39=123 So answer is D
Quiz of this Question
Please comment below if you find anything wrong in the above post