Q16➡| If four 4 input multiplexers drive a 4 input multiplexer, we get a :
i ➥ 16 input MUX
ii ➥ 8 input MUX
iii ➥ 4 input MUX
iv ➥ 2 input MUX
Q17➡| The characteristic equation of a JK flip flop is :
i ➥ Qn+1 = J.Qn +K.Qn
ii ➥ Qn+1 = J.Q’n +K’Qn
iii ➥ Qn+1= QnJ.K
iv ➥ Qn+1= (J+K)Qn
Q18➡| Which of the following input combination is not desirable for SR flip flop ?
i ➥ S = 0, R = 0
ii ➥ S = 0, R = 1
iii ➥ S = 1, R = 0
iv ➥ S = 1, R = 1
Q19➡| A combinational logic circuit that is used when it is desired to send data from two more source through a single transmission line is known as______.
i ➥ Demultiplexer
ii ➥ Encoder
iii ➥ Decoder
iv ➥ Multiplexer
Q20➡| A/an ________, also called a dta selector, is a combinational circuit with more than on input line, one output line and more than one selection line.
16.iii
17.ii
18.iv
19.iv
20.ii
Ans 16 – 1
Ans 17 – 2
Ans 18 – 4
Ans 19 – 2
Ans 20 -3
Ans16-iii
Ans17-ii
Ans18-iv
Ans19-iv
Ans20-ii
16, i
17, ii
18, IV
19, IV
20, ii
17-ii
18-iv
19-iv
20-ii