Users Also Read

MCQ's Search Engine

Electrical Engineering

Mechanical Engineering

Civil Engineering

Automobile Engineering

Chemical Engineering

Computer Engineering

Electronics Engineering

Medical Science Engg

Q1. | In a Karnaugh map for an expression having 'don't care terms' the don't cares can be treated as |

A. | 0 [Wrong Answer] |

B. | 1 [Wrong Answer] |

C. | 1 or 0 [Correct Answer] |

D. | none of the above [Wrong Answer] |

View Answer
Explanation:-
Answer : CDiscuss 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 :**

⇒ The poles with greater displacement from the real axis correspond to

higher frequencies of oscillations

stable response

lower frequencies of oscillations

unbounded output

⇒ The converter whose conversion time is independent of number of bits is

dual stope

counter type

parallel conversion

successive approximation

⇒ In VHS format the width of tape is

2"

1"

1/2"

1/4"

⇒ For the current wave

*i*= 10 + 10 sin θ, the rms value is

0.416666666666667

12.247 A

20 A

14.14 A

⇒ In the DRAM cell in the figure is the V

_{t}of the NMOSFET is 1 V. For the following three combinations of WL and BL volta

5 V, 3 V, 7 V

4 V, 3 V, 4 V

5 V, 5 V, 5 V

4 V, 4 V, 4 V

⇒ It is required to measure pressure using LVDT. The additional device needed is

strain gauge

pitot tube

bourden tube

rotameter

⇒ Consider the following tasks in a micro computer

- Receiving data and instruction
- Performing arithmetic computation
- Performing logical computations
- Storing data and instructions

2 only

2 and 3 only

1, 2 and 3 only

All

⇒ Following figure is a signal conditioning Amplifier, changes gain depending upon the polarity of V

_{s}. What will be circuit voltage gain for + V

_{s}and for - V

_{s}if D

_{2}is id

A

_{V}= -R

_{3}/R

_{1}

R

_{3}/R

_{1}

R

_{1}/R

_{3}

1 + R

_{3}/R

_{1}

⇒ In the words Kb or Mb used describing memory capacity, the letter

*b*denotes

bits

bytes

bits or bytes depending on type of memory

bubbles

⇒ 8085 data bus has 8 lines and is bidirectional.

TRUE

FALSE

⇒ Characteristic wave impedance is

ε/μ

(ε/μ)

^{1/2}

E

_{x}/H

_{y}

H

_{y}/E

_{x}

⇒ The number of days when Earth's shadow falls on a geosynchronous satellite is

88

277

5

10

⇒ Which of the following measurements using a dc potentiometer do not require standardisation of potentiometer?

Measurement of unknown voltage

Measurement of resistance

Measurement of unknown current

Calibration of voltmeter

⇒ The circuit whose properties are same in either direction is known as

unilateral circuit

bilateral circuit

irreversible circuit

reversible circuit

⇒ Z = _______

*C*[

*A*(B + C) +

*D*]

(

*A*B +

*A*C +

*D*)

(

*CA*+

*A*C +

*D*)

none of these

⇒ In orthogonal BFSK. the energy of information bearing term is :

the same as total transmitted energy

one half of total transmitted energy

one fourth of total transmitted energy

None

⇒ The effective length of an λ/2 antenna (Given R

_{r}= 73 Ω and (A

_{e})

_{max}= 0.13 λ

^{2}and η = 120 p is __________ .

0.6348 λ

0.317 λ

0.158 λ

0.371 λ

⇒ Self bias is an example of __________ feedback that tends to stabilize the drain current against changes in temperature and JFET replacement.

variable

low

negative

positive

⇒ A NOR gate is a combination of

OR gate and AND gate

AND gate and NOT gate

OR gate and NOT gate

two NOT gates

⇒ Which of the following is susceptible to race condition?

R-S latch

D latch

Both R - S and D latches

None of the above

⇒ In a transistor I

_{E}= 10 mA, I

_{CO}= 0.5 μA and a = 0.995. Then I

_{CEO}=

100 μA

25 μA

10.1 mA

10.5 mA

⇒ If the temperature of an extrinsic semiconductor is increased so that the intrinsic carrier concentration is doubled, then

the majority carrier density is doubled

the minority carrier density is doubled

the minority carrier density becomes 4 times the original value

both the majority and minority carrier densities double

⇒ A 4 cm by 3 cm rectangular waveguide with air cavity, is operating at 12 GHz with TE

_{11}mode. The cut-off frequency is:

6.25 GHz

4.75 GHz

1.5 GHz

8.75 GHz

⇒ The product of which of the following gives the figure of merit of a logic family?

Gain and bandwidth

Propagation delay time and power dissipation

Fan-out and propagation delay time

Noise margin and power dissipation

⇒ A dc network has an open circuit voltage of 5 V. When its terminals are short circuited a current of 5 A flows through the short circuit. If the short circuit is removed and a resistance of 1.5 Ω is connected across its terminals, the current will be

0.0416666666666667

0.0833333333333333

2.5 A

0.208333333333333

⇒ A reactance function is always a quotient of

even to odd polynomials

odd to even polynomials

even to odd or odd to even polynomials

even to even polynomials

⇒ In a three variable K map four adjacent cells give

single variable term

two variable term

three variable term

either (a) or (b)

⇒ In a communication receiver, a squelch circuit is normally inserted

before detector

after detector

before mixer

after power amplifier

⇒ In a flash type ADC, employing 15 comparators resolution with 10 volts reference; is expected to be :

0.625 V

0.656 V

0.525 V

insufficient data

⇒ In cellphone communication base antennas are connected to other base antennas in

line of sight communication

ionospheric propagation

ground wave propagation

medium wave propagation