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. | While __________ is the fastest unsaturated logic gate __________ has the excellent noise immunity? |

A. | ECL, TTL [Wrong Answer] |

B. | TTL, ECL [Wrong Answer] |

C. | ECL, RTL [Correct Answer] |

D. | RTL, DTL [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 :**

⇒ If X(

*z*) = (1 - a

*z*

^{-1})

^{-1}and |a| < |

*z*|, the initial value

*x*

_{0}= 0

TRUE

FALSE

⇒ Computers use RC circuit for edge triggering.

TRUE

FALSE

⇒ In the given figure, the number of individual loop

2

4

5

6

⇒ Photoelectric emitters in photo tubes are generally made of

alkali metals

metals

semiconductors

metal and semiconductors

⇒ For AB + A C + BC = AB + A C the dual form is

(A + B) (A + C)(B + C) = (A + B)(A + C)

(A + B ) (A + C)(B + C) = (A + B)(A + C)

(A + B) (A + C) (B + C) = (A + B) (A + C)

none of the above

⇒ For an ideal antenna, numerical value of directivity must be

∞

0

1

any value

⇒ The PC contains 0450 H and SP contains 08D 6 H. What will be content of P and SP following a CALL to subroutine at location 02 AFH?

0453 H, 08 D 8 H

0453 H, 08 D 4 H

02 AFH, 08 D 8 H

02 AFH, 08 D 4 H

⇒ In figure the number of tree branches and links respectively

3 and 2

1 and 3

4 and 1

1 and 4

⇒ Two current sources each of rms value 10 A have frequencies 40 Hz and 50 Hz respectively. They are connected in series, the expression for resultant wave is

*i*= 10 sin 40

*t*+ 10 sin 50

*t*

*i*= 14.14 sin 40

*t*+ 14.14 sin 50

*t*

*i*= 14.14 sin 80 p

*t*+ 14.14 sin 100 p

*t*

*i*= 20 sin 80 p

*t*+ 20 sin 100 p

*t*

⇒ In figure, the capacitor is charged to 1 V. At

*t*= 0 the switch is closed so that

*i*=

*e*

^{-t}. When

*i*= 0.37 A, the voltage across capacito

1 V

0.63 V

0.37 V

0.185 V

⇒ Octal number 12 is equal to decimal number

8

9

10

11

⇒ The most commonly used magnetron is

cylindrical

parallel plate

inclined plate

flat plate

⇒ A delta connection contains three impedances of 60 Ω each. The impedances of equivalent star connection will be

15 Ω

20 Ω

30 Ω

40 Ω

⇒ Consider the following statements about PCM

- PCM is not noise resistant
- PCM requires complex encoding and quantizing circuitry
- PCM requires large bandwidth

1 only

1, 2, 3

2, 3

1 and 3

⇒ Which of the following parameters of CE circuit has the unit of ohms?

*h*

_{ie}

*h*

_{re}

*h*

_{fe}

*h*

_{oe}

⇒ If the characteristic equation is (λ + 1) (λ + 2) (λ + 3) = 0, the eigen values are

-1, -2, -3

1, 2, 3

0, 1, 2

0, 2, 3

⇒ Consider the following statements:

- The positiveness of coefficients of characteristic equation is necessary as well as sufficient condition for stability of first and second order systems.
- The positiveness of coefficients of characteristic equation ensures negativeness of real roots but is not sufficient condition for stability of third and higher order systems.

only 1 is correct

both 1 and 2 are correct

only 2 is correct

both are wrong

⇒ The 8085 instruction LDA FFA is an example of

Direct addressing

Register addressing

Immediate addressing

Register indirect addressing

⇒

Match the following:

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

A. | Horn antenna | 1. | High directivity |

B. | Parabolic antenna | 2. | Very high directivity |

C. | Lens antenna | 3. | Moderate directivity |

A-1, B-2, C-3

A-3, B-2, C-1

A-3, B-1, C-2

A-1, B-3, C-2

⇒

**Assertion (A):** Demorgan's first theorem replaces a NOR gate by bubbled AND gate.

**Reason (R):** Double complement of a variable equals the variable.

Both A and R are correct and R is correct explanation of A

Both A and R are correct but R is not correct explanation of A

A is true, R is false

A is false, R is true

⇒ If a sheet of a mica is inserted between the plates of an air capacitor, the capacitance

will increase

will return the same

will decrease

may increase or decrease

⇒ A diode detector load consists of 0.01 μF capacitor in parallel with a 5 k ohms resistor. The maximum depth of modulation without diagonal clipping at modulating frequency of 1000 Hz and 10 kHz is

0.76, 0.24

0.95, 0.3

0.24, 076

0.3, 0.95

⇒ A TRIAC can be turned on :

by applying a positive signal to gate

by applying a negative signal to gate

by applying either positive or negative signal to gate

none of the above

⇒ A moving coil meter has 10 Ω resistance and requires 40 mA for full scale deflection. The shunt resistance required to convert it into 0-2 A ammeter is

0.1021 Ω

0.2041 Ω

0.256 Ω

0.4210 Ω

⇒ Which of these has 3 layers?

PIN diode

Zener diode

Schottky diode

Photo diode

⇒ A FM signal with modulation index M

*is passed through a frequency doubler. The wave in the output of the doubler will have modulation index of*

_{f}M

_{f}

M

*/2*

_{f}2M

_{f}

UM

_{f}

⇒ An electron in a homogeneous magnetic field and having velocity perpendicular to the direction of field moves

perpendicular to the field

along the field

along a straight line inclined at 45° to field

in a circular path

⇒ Fortran 77 has six arithmetic operators.

TRUE

FALSE

⇒ A complex wave is 5 + 5 sin ω

*t*. Its rms value is

7.07 V

5 V

10 V

6.12 V

⇒ The analog signal given below is sampled by 600 samples per second for

*m*(

*t*) = 3 sin 500 p

*t*+ 2 sin 700 p

*t*then folding frequency is

500 Hz

700 Hz

300 Hz

1400 Hz