Question

A. How many flip-fl ops would be required for a shift register to store

(a) 0.7-bit number (b) decimal number up to 64 (c) hexadecimal numbers up to I

B. A shift register has 12 flip-fl ops. What is the largest (a) decimal number, and (b) hexadecimal number that can be stored in it?

C. The hexadecimal number AB is stored in 54/74LS91 in Fig. 13.4. Show the waveform at the output, assuming that the clock is allowed to run for eight cycles and that A = B = 0. What hexadecimal number will remain stored if the clock is run for 4 more cycles.

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Answer 1

I can't understand your question

Answer 2

Answer:

i can not understand your question