Question is ⇒ A 4 bit modulo 16 ripple counter uses JK flip-flops. If the propagation delay of each FF is 50 ns. The max. clock frequency that can be used is equal to, Options are ⇒ (A) 20 MHz, (B) 10 MHz, (C) 5 MHz, (D) 4 MHz, (E) , Leave your comments or Download question paper.

Question is ⇒ A 4 bit modulo 16 ripple counter uses JK flip-flops. If the propagation delay of each FF is 50 ns. The max. clock frequency that can be used is equal to, Options are ⇒ (A) 20 MHz, (B) 10 MHz, (C) 5 MHz, (D) 4 MHz, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	A 4 bit modulo 16 ripple counter uses JK flip-flops. If the propagation delay of each FF is 50 ns. The max. clock frequency that can be used is equal to
A.	20 MHz [Wrong Answer]
B.	10 MHz [Wrong Answer]
C.	5 MHz [Correct Answer]
D.	4 MHz [Wrong Answer]
View Answer 1 -5 Explanation:- Answer : C Discuss it below : !! OOPS Login [Click here] is required to post your answer/result Help other students, write article, leave your comments

Previous question Next question

Also Read Similar Questions Below :

⇒ The current through a resistance R is shown in figure. The computed value of power
400 ± 0.42 W
400 ± 4.6 W
400 ± 8.85 W
400 ± 10.65 W

⇒ The 2732 is 4096 x 8 EPROM. How many address lines does it have?
12
24
50
100

⇒ The amplitude of a pair of composite sinusoidal signal y(n) = x₁(n) + x₂(n) with x₁(n) = sin (5pn) x₂(n) = 3 sin (5pn) is __________ .
2
3
4
1

⇒

Match the following:

	List I (FET Parameters)		List II (Typical Values)
A.	g_m for JFET	1.	25 kW
B.	r_d for JFET	2.	0.01 siemen
C.	r_d for MOSFET	3.	0.5 mW
D.	g_g for JFET	4.	10^-8 siemen

A-1, B-2, C-3, D-4
A-2, B-3, C-1, D-4
A-4, B-2, C-3, D-1
A-4, B-3, C-2, D-1

⇒ In a vacuum triode μ = r_pg_m.
TRUE
FALSE

⇒ Which of the following refers to SSB suppressed carrier amplitude modulated system?
A3E
H3E
J3E
C3F

⇒ 100101₂ is equal to decimal number
47
37
21
17

⇒ A choke coil has a resistance to reactance ratio of 0.2. The power factor of the choke coil is
less than 0.2 lagging
less than 0.2 leading
about 1
about 0

⇒ In a transistor receiver, the use of FET as the first stage amplifier is likely to
improve selectivity of the receiver
improve the effectiveness of the AGC
reduce the effect of negative peak clipping
reduce the effect of noise at all frequencies

⇒

Match the following:

	List I (Command in WORD)		List II (Meaning)
A.	END	1.	The bar displays the current position of cursor
B.	HOME	2.	Moves cursor to the beginning of current line
C.	Status	3.	Moves cursor to end of document

A-1, B-2, C-3
A-3, B-1, C-2
A-2, B-3, C-1
A-3, B-2, C-1

⇒ An AND gate has four inputs. One of the inputs is low and other inputs are high. The output
is low
is high
is alternately low and high
may be high or low depending on relative magnitudes of inputs

⇒ The total number of leads in SCR, DIAC and TRIAC respectively are
3, 2, 3
2, 3, 3
3, 3, 2
3, 2, 4

⇒ A high level language is less efficient than machine language.
TRUE
FALSE

⇒

Assertion (A): The number of basic loops is equal to number of links.

Reason (R): The graph theory helps in choosing independent variables in circuit analysis.

Both A and R are true and R is correct explanation of A
Both A and R are true and R is not the correct explanation of A
A is true but R is false
A is false but R is true

⇒ Program counter in a digital computer
counts the number of program run in the machine
counts the number of times a subroutine is called
counts the number of times the loops are executed
points the memory address of the current or the next instruction to be executed

⇒ In a series circuit with fixed R and variable X_L, the current locus lies in the fourth quadrant.
TRUE
FALSE

⇒ In register index addressing mode the effective address is given by
index register value
sum of the index register value and the operand
operand
difference of the index register value and the operand

⇒ In figure the collector to emitter breakdown voltage of the transistor (βV_CEO) shoul
more than V_CC
more than 0.5 V_CC
more than V_CC + E
more than 2 V_CC

⇒ Hall coefficient is reciprocal of charge density.
TRUE
FALSE

⇒ The voltage across a zener diode
is constant in forward direction
is constant in reverse direction
is constant in both forward and reverse directions
none of the above

⇒ Two coils are connected in parallel. Their fluxes are adding. If the connections of one of the coils are reversed, the total inductance of the arrangement
will decrease
may increase or decrease
will remain the same
will increase

⇒ For a transfer function H(s) = P(s)/Q(s), where P(s) and Q(s) are polynomials in s
the degrees of P(s) is always greater than degree of Q(s)
the degree of P(s) and Q(s) are equal
the degree of P(s) is independent of degree of Q(s)
the maximum difference in degrees of P(s) and Q(s) is 1

⇒ A multivibrator generates
sinusoidal waveforms
non-sinusoidal waveforms
both (a) and (b)
none of the above

⇒ In digital computer programming, subroutines are used
to reduce program execution time at the expense of more memory
to reduce storage requirements
to increase programming ease and reduce storage requirements
because most of the functions are same

⇒ Which of the following produces upper and lower side frequencies?
Microphone
Demodulator in a superheterodyne receiver
Modulator in a. radio transmitter
Oscillator in a receiver

⇒ Which of the following is NOT associated with a p-n junction?
Junction capacitance
Charge Storage Capacitance
Depletion Capacitance
Channel Length Modulation

⇒ BCD equivalent of - 8₁₀ is
110
10110
11000
1000

⇒ During discharging a capacitor through a resistance, voltages across R and C are equal in magnitude.
TRUE
FALSE

⇒ The most commonly used moving iron instruments are
repulsion type
attraction type
a combination of attraction and repulsion type
none of the above

⇒ CD4010 is a
inverting buffer
non-inverting hex buffer
NOR IC
NAND IC