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. | The accumulator drives the ALU. |

A. | TRUE [Correct Answer] |

B. | FALSE [Wrong Answer] |

View Answer
Explanation:-
Answer : ADiscuss 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 :**

⇒ High intermediate frequency in a superheterodyne receiver

higher than

lower than

equal to

not comparable to

⇒

**Assertion (A):** Maxwell bridge is for measuring inductance of medium magnitude.

**Reason (R):** In Maxwell's bridge the unknown inductance is measured by comparing it with a capacitance.

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

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

A is true R is false

A is false R is true

⇒ In measurements using CRO, Lissajous patterns are used to

measure magnitude of peak voltage

measure frequency

measure impedance

measure current

⇒ In TV transmission the modulation schemes for video and audio are respectively

FM and AM

FM and FM

AM and FM

AM and AM

⇒ The arrangement in the given figure is a hybid

*T*. If 100 mW fed at port 1, the power reflected back at port

0

25 mW

50 mW

100 mW

⇒ Thermistors are made of

pure metals

pure insulators

tintered mixture of metallic oxides

pure semiconductors

⇒ For the logic circuit shown in figure, the simplified Boolean expression for the output

A + B + C

AB

B

C

⇒ A signal

*x*

_{1}(

*t*) and

*x*

_{2}(

*t*) constitute the real and imaginary parts respectively of a complex valued signal

*x*(

*t*). What form of waveform does

*x*(

*t*) possess?

Real symmetric

Complex symmetric

Asymmetric

Conjugate symmetric

⇒ In an op-amp comparator, the positive or negative output is

saturated

amplifier

unsaturated

any of the above

⇒ Time delay produced by an instruction code given below using 2 MHz clock

1783 μs

1787 μs

1781 μs

1797 μs

⇒ The Z-inverse of the given Z-transform is _______

unit step

unit ramp

unit impulse

unit parabola

⇒ A two winding transformer is feeding a single phase half wave rectifier circuit. The load is purely resistive. The rms value of transformer secondary current is I

_{s}and rms value of load current in I

_{rms}. Then

I

_{s}= I

_{rms}irrespective of the value of firing angle

I

_{s}= 0.5 I

_{rms}irrespective of the value of firing angle

I

_{s}= I

_{rms}if firing angle is less than 30°

I

_{s}= I

_{rms}if firing angle is more than 30°

⇒ The Boolean function/implemented in the figure using two I/P multiplexer

ABC + ABC

ABC + AB C

ABC + ABC

ABC + AB C

⇒ For the logic circuit of the given figure the simplified Boolean expressio

A + BC

A + BC

A + B C

A + BC

⇒ If A = 10 +

*j*then log

_{e}A is

14.14 ∠45°

200 ∠45°

2.65 +

*j*45°

2.65 +

*j*0.785

⇒ The useful operational life of INSAT-IB (launched in 1983) is expected to end by

1992-93

1991-92

1989-90

1993-94

⇒ If there are no permanent dipoles in a dielectric material, the dielectric constant is independent of temperature.

TRUE

FALSE

⇒

Match the following:

Microwave Measuring Instruments | Measurements Effected | ||
---|---|---|---|

A. | Bolometer | 1. | Reflection coefficients |

B. | VSWR meter | 2. | Half power beam widths |

C. | Cavity wave meter | 3. | Microwave power |

D. | Pattern recorder | 4. | Microwave frequency |

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

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

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

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

⇒ Figure shows the feedback network of one of the very popular types of sinusoidal oscillators. Which one is t

Weinbridge oscillator

Hartley oscillator

Colpitt's oscillator

R-C phase shift oscillator

⇒ The addressing mode depicted in the given figur

direct

register

register indirect

immediate

⇒ If

*f*(

*t*) = 1, F(

*j*ω) =

2p

p

2pδ (p)

pδ (ω)

⇒ NMOS devices have __________ switching speeds and __________ on-state resistance; as compared with PMOS devices.

slower, higher

faster, lower

faster, higher

slower, lower

⇒

**Assertion (A):** CO_{2} has no resultant dipole moment but CO has a dipole moment.

**Reason (R):** The structure of CO_{2} is O = C = O.

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

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

A is true but R is false

A is false but R is true

⇒ The forbidden energy gap for silicon is

0.12 eV

1.12 eV

0.72 eV

7.2 eV

⇒ 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 input impedance of CRO is about

zero

10 Ω

100 Ω

one mega ohm

⇒ Power is drawn from a source at power factor 0.7. P

_{av}= 300 watt. The reactive power is

0

105

100 VA

107 VA

⇒ A bridge rectifier circuit has input of 50 Hz frequency. The load resistance is R

_{L}and filter capacitance is C. For good output wave shape, the time constant R

_{L}C should be at least equal to

10 ms

20 ms

50 ms

100 ms

⇒ Pulse modulation is used in

radio navigation

automatic landing equipment

data communications

all of the above

⇒ The scale of dynamometer wattmeter is non linear.

TRUE

FALSE