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Q1. | Karnaugh map is used to |

A. | minimise the number of flip flops in a digital circuit [Wrong Answer] |

B. | minimise the number of gates only in a digital circuit [Correct Answer] |

C. | minimise the number of gates and fan in a digital circuit [Wrong Answer] |

D. | design gates [Wrong Answer] |

View Answer
Explanation:-
Answer : BDiscuss it below :!! OOPS Login [Click here] is required to post your answer/resultHelp other students, write article, leave your comments |

**Also Read Similar Questions Below :**

⇒ If V

_{a1}, V

_{a2}, V

_{a0}are the symmetrical components of V

_{a}, then

V

_{a}= V

_{a1}+ V

_{a2}+ V

_{a0}

V

_{a}=

*a*

^{2}V

_{a1}+

*a*V

_{a2}+ V

_{a0}

V

_{a}=

*a*V

_{a1}+

*a*

^{2}V

_{a2}+ V

_{a0}

V

_{a}=

*a*V

_{a0}+

*a*

^{2}V

_{a1}+ V

_{a2}

⇒ For attenuation of low frequencies we should use

shunt capacitance

series capacitance

shunt inductance

series inductance

⇒ The merger of hole and free electron is called

covalent bonding

recombination

thermal energy

free electrons

⇒

Match the following:

List I | List II | ||
---|---|---|---|

A. | Output of signal generator | 1. | Modulated |

B. | Error signal from a synchro | 2. | Digital |

C. | Output of a JK flip flop | 3. | Analog |

D. | Signal received by radar | 4. | Stoichastic |

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

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

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

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

⇒ The

*z*transform of sequence

*x*[

*n*] = {2, 4, 3, 2}

2

*z*

^{-1}+ 4

*z*

^{-2}+ 3 + 2

*z*

^{+1}

2

*z*

^{-1}+ 3 + 4

*z*

^{+1}+ + 2

*z*

^{+2}

2

*z*

^{+1}+ 3

*z*

^{-1}+ 4

*z*

^{-2}+ 2

*z*

^{-3}

3 + 2

*z*

^{-1}+ 4

*z*

^{-2}+ 2

*z*

^{-1}

⇒ Double integration of a unit step function would lead to

an impulse

a parabola

a ramp

a doublet

⇒ Which of the following is not a key word in C?

pop

for

if

union

⇒ What is the period of the sinusoidal signal

*x*(

*n*) = 5 cos [0.2 pn]?

10

5

1

0

⇒ Filter method and phasing method are the methods for generating

SSB signal

vestigial side band signal

both SSB and vestigial sideband signals

none of the above

⇒ If the ladder reference voltage is 2 V, then minimum comparator resolution required is

0.125 V

1.25 V

12.5 V

0

⇒ The given figure shows log magnitude versus ω plots of a system for different values of gain. For this sy

curve 1 shows highest gain margin and curve 2 shows poorest gain margin

gain margins shown by the three curves are equal

curve 1 shows poorest gain margin and curve 3 shows highest gain margin

curve 3 shows poorest gain margin while curve 1 shows highest gain margin

⇒ ECL can be used to high frequencies in the order of

500 kHz

1 MHz

100 MHz

500 MHz

⇒ The changes in ambient temperature affect the open loop gain of amplifier.

TRUE

FALSE

⇒ A 4 bit down counter starts counting from 1111 irrespective of modulus.

TRUE

FALSE

⇒ The given figure shows a constant current source driving a parallel RC circuit. It is equivalen

a lag network

a lead network

a lag-lead network

either (a) or (b)

⇒ The oscillator shown in figure

Clapp oscillator

R-C Phase shift oscillator

Hartley oscillator

Colpitt's oscillator

⇒ Calculate the wave number in waveguide having dimensions 4 x 2 cm at 3 GHz

6.28

62.8

8

0

⇒ A sinusoidal signal is measured by CRO. The scale is set at 4 mV/cm. If vertical distance between positive and negative peaks is 6 cm, the peak value of ac signal is

6 mV

12 mV

24 mV

3 mV

⇒ Which of these has peak and valley points in

*v*-

*i*curve?

Tunnel diode

Zener diode

PIN diode

Schottky diode

⇒ An RLC series circuit is excited by 200 V, 100 Hz supply. The current is 20 A. If R = 10 Ω, X

_{L}= 50 Ω, X

_{C}is

10 Ω

14.14 Ω

7.07 Ω

50 Ω

⇒ When a binary adder is used as BCD adder, the sum is

correct when it is < 9

correct when it is > 9

correct when it is < 16

none of these

⇒ Higher order active filters are used for variable

bandwidth

gain in the pass band

impedance

roll off rate

⇒ The diagram to show distance time history of electrons in klystron amplifier is called

apple gate diagram

asynchronous diagram

bunching diagram

velocity modulation diagram

⇒ Consider the following statements about 'Functions' in C

- A function can be called any number of times.
- A function gets called when the function name is followed by a semicolon.
- The order in which functions are defined in a program and the order in which they are called must be the same.

All

1 and 2 only

1 and 3 only

2 and 3 only

⇒ If J, I and a denote current density, current and area of cross section of a conductor, then

J = Ia

J = I/a

^{2}

J = I/a

J = Ia

^{2}

⇒ To relay outdoor remotely located live programs, TV transmitter use

microwave links

coaxial cable link

open wire link

either (b) or (c)

⇒ Which of the following cannot be the Fourier series expansion of a periodic signal?

*x*(

*t*) = 2 cos

*t*+ 3 cos 3

*t*

*x*(

*t*) = 2 cos pt + 7 cos

*t*

*x*(

*t*) = cos

*t*+ 0.5

*x*(

*t*) = 2 cos 1.5p

*t*+ sin 3.5 p

*t*

⇒ For a class B amplifier using a supply of V

_{CC}= 30 V and driving a load of 16 Ω the maximum efficiency will be __________ .

0.724

0.7854

0.624

0.6854

⇒ A Hartley oscillator uses

a tapped capacitor

a tapped inductor

a tapped inductor for inductive feedback

none of the above

⇒ When an electromagnetic wave travelling in one medium strikes upon a second medium (having a different conductivity) the wave will be

totally transmitted

totally reflected

neither transmitted nor reflected

partially transmitted and partially reflected