Question

What is the function of the circuit below? Аз Вз Аз: В] Ао- У1 Во- yo Select one: a. divider b. multiplexer c. multiplier d. demultiplexer e. encoder f. comparator O g. decoder h.other B

Answer 1

the cirait Ao Bo t (A B) (AD noeo yAet(A A Bt CADe) (An,B +LA3 De) (e2) CADe) Aoeo 43Dh no t t tg 4-6it Comporatr 21/56A is a てり2 where 92 gives A >B A<B gives A B y o gives

we'll compare each bit ot tuso 4bit numbers As B3 A B Ao Bo A<B APB A7B A3 B3 X 1 0 A 3 B3 X O X 1 A8= 83 1 A3=83 AB2 X A2 B2 AIB A B3 X A2- BAIK B) A3 B3 X O AB2 POBD A3 B3 1 A2-B AEB A2 B3 AOCBD A2-BAEB Ao Bo A3 83 AFB each bit shoald be same (NOR) קעי" Can do for Similady we f bit comparator it a Hence 16 Address Lines The ae Ao to Ai5 ae adress lines select the cs on chip delect T0

Ap A13 Fized Aru A15 Ai5 AA aA AAS AA, A, A Ao t t Sarthg adress 3 Oo o Ending adress 11 t1 ll t 1 oo 1 3 FFF fence odress rarge 3000 to 3fFF (d