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. | A five bit binary adder is used to add 01001 and 00111. The adders from LSB position are numbered as FA_{0}, FA_{1}, FA_{2} and FA_{3}. The outputs of FA_{2} are |

A. | SUM = 0 [Correct Answer] |

B. | SUM = 0, CARRY = 1 [Wrong Answer] |

C. | SUM = 1, CARRY = 0 [Wrong Answer] |

D. | SUM = 1, CARRY = 1 [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 :**

⇒ An RL impedance function can also be realized as

RC impedance function

RC admittance function

LC impedance function

LC admittance function

⇒ Cassegrain feed is used with a parabolic reflection to

reduce the size of the main reflector

increase the gain of the system

increase the beamwidth of the system

allow the feed to be placed at a convenient point

⇒ A cycloconverter is a group of controlled rectifiers.

TRUE

FALSE

⇒ As compared to a full wave diode rectifier circuit using centre tapped transformer, the bridge diode rectifier circuit has the main advantage of

higher current carrying capacity

higher efficiency

lower ripple factor

lower PIV

⇒

**Assertion (A):** Each memory chip has its own address latch.

**Reason (R):** ALE signal comes out of microprocessor 8085 and goes to memory chip.

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 correct R is wrong

A is wrong R is correct

⇒ In the following transistor circuit

*V*

_{BE}= 0. 7 V,

*r*= 25mV/I

_{c}_{E}, and β and the capacitance are very l

1 mA

2 mA

5 mA

10 mA

⇒ In order to rectify sinusoidal signals of millivolt range (< 0.6 V)

bridge rectifier using diodes can be employed

full wave diode rectifier can be used

a diode is to be inserted in the feedback loop of an op-amp

a diode is to be inserted in the I/P of an op-amp

⇒ Which of the following arithmetic operations requires only one operand in FORTRAN 77?

Addition

Multiplication

Negative

Substraction

⇒ In 8085 the instruction

`MOV A, M`

is an example ofDirect addressing

Immediate addressing

Register addressing

Register indirect addressing

⇒ Which of these are 16 bit microprocessors?

80286

MC68000

Z8000

All

⇒ The admittance parameter Y

_{12}in the 2 port network in the fi

-0.2 mho

0.1 mho

-0.05 mho

0.05 mho

⇒ In standing wave pattern on a transmission line

voltage and current nodes coincide

voltage and current antinodes coincide

voltage nodes and current antinodes as well as current nodes and voltage antinodes coincide

both (a) and (b)

⇒ Symbol shown in figure represen

P-channel DEMOSFET

N-channel DEMOSFET

UJT with N-type base

UJT with P-type base

⇒ The hexadecimal number (3E8)

_{16}is equal to decimal number

1000

982

768

323

⇒ The dual of the function A(BC + BC + BC) is

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

A (BC + BC + BC)

C(BA + CA + CA)

ABC + ABC + ABC

⇒ In the integer expression

`- A * B div C + D`

which operation is done first in Pascal-

*

div

+

⇒ The refractive index of E layer, if angle of incidence is 30°

0.5

0.25

0

1

⇒ Maxwell's curl equation for the static electric field E can be expressed as

Δ x E = 0

Δ x E = constant

Δ - E = constant

Δ . E = 0

⇒ Which of the following theorems can be conveniently used to find power consumed in 10 Ω resistor in fig

Thevenin theorem

Maximum power transfer theorem

Millman's theorem

Superposition theorem

⇒ The log magnitude for the system in the given figure is (where T =

20 log (1 + ωT)

-20 log (1 + ωT)

-10 log (1 + ω

^{2}T

^{2})

-20 log (1 + ω

^{2}T

^{2})

⇒ When the ac base voltage in a CE amplifier circuit is too high, the ac emitter current is

zero

constant

alternating

distorted

⇒ The use of free wheeling diode in controlled rectifier improves the waveshape of load current.

TRUE

FALSE

⇒ In TV scanning sequence of lines is

left to right

right to left

left to right for odd fields and right to left for even field

left to right for even fields and right to left for odd field

⇒ Maxwell's divergence equation for the magnetic field is given as

∇ . B = 0

∇

^{2}. B = 0

∇ . B = constant

∇

^{2}. B = constant

⇒ A rectangular waveguide measures 3 x 4.5 cm internally and has a 10 GHz signal propagated in it. Calculate the guide wavelength for dominant mode.

13.5 m

3 m

88/3 m

3/88 m

⇒ In a diode rectifier with a capacitance input filter, a surge current is likely to flow when the circuit is switched on. The cause of this surge current is

the non linear behaviour of diodes

the capacitor acts as a short circuit at the instant of switching,

the inductance of leads

both (a) and (b)

⇒ In FORTRAN 77 FLOAT (-28) gives the value

28

-28

-28

none of the above

⇒ An FM signal with deviation δ is passed through mixer. Its frequency is reduced five fold. The deviation in output of mixer is

0.28

δ

5 δ

very very high

⇒ Antenna efficiency of antenna is, if radiation resistance is 370 Ω and loss resistance is 100 Ω

0.8

0.87

0.78

0.2127

⇒ In the signal flow graph in the given figure the number of forward paths and pairs of non-touching loops are respecti

3 and 1

3 and 2

4 and 2

2 and 4