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Q1. | (1001-10) is equal to |

A. | 7 [Correct Answer] |

B. | (8)_{8} [Wrong Answer] |

C. | (7)_{4} [Wrong Answer] |

D. | (8)_{4} [Wrong Answer] |

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Explanation:-
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**Also Read Similar Questions Below :**

⇒

Match the following:

List I (Operator) | List II (Description) | ||
---|---|---|---|

A. | ? : | 1. | Modulus |

B. | [ ] | 2. | Array expression |

C. | % | 3. | Conditional |

A-3, B-2, C-1

A-1, B-2, C-3

A-1, B-3, C-2

A-2, B-3, C-1

⇒ The logic realized by the circuit shown in figure belo

F = A - C

F = A + C

F = B ⊙ C

F = B ⊕ C

⇒ In the circuit, shown the current I marked is give

2.22 A

1.78 A

4.44 A

0.0833333333333333

⇒ Which op-amp circuit uses a diode as one of the circuit components?

Integrating amplifier

Differentiating amplifier

Logarithmic amplifier

Summing amplifier

⇒ The total number of input words for 4 input OR gate is

20

16

12

8

⇒ The zener diode in the rectangular circuit shown in the figure has a zener voltage of 5.8 volts and a zener knee current of 0.5 mA. The maximum load current drawn from this circuit ensuring proper functioning over the input voltage range between 20 and 30 volts

23.7 mA

14.2 mA

13.7 mA

24.2 mA

⇒ An RLC series circuit has Q = 100 and ω

_{0}= 20 rad/sec. The bandwidth is

0.2 rad/sec

2 rad/sec

20 rad/sec

2000 rad/sec

⇒ Maxterm designation for A + B + C is

M

_{0}

M

_{1}

M

_{3}

M

_{4}

⇒ Which of the following is a microwave power amplifier?

Gunn diode

Reflex klystron

Magnetron

Travelling wave tube

⇒ In Pulse Code Modulation system

large bandwidth is required

quantising noise can be overcome by companding

quantising noise can be reduced by decreasing the number of standard levels

suffers from the disadvantage of its incompatibly with TDM

⇒ The circuit shown in the figure conv

BCD to Binary code

Binary to excess - 3 code

Excess - 3 to Gray

Gray to Binary

⇒

**Assertion (A):** In *n*-*p*-*n* transistor conduction is mainly due to electrons.

**Reason (R):** In *n* type materials electrons are majority carriers.

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

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

A is true but R is false

A is false but R is true

⇒ If a 'live' conductor of a public supply touches earth metal

supply voltage will increase

supply voltage will decrease

no current will flow

current will flow to earth

⇒ In a piezoelectric crystal, the application of mechanical force will cause

plastic deformation of crystal

magnetic dipoles in the crystal

electrical polarization in the crystal

shift in Fermi level

⇒ A clock signal driving a 6-bit ring counter has a frequency of 1 MHz. How long is each timing bit high?

1 ms

2 ms

3 ms

6 ms

⇒ Thyristors connected in series need :

static equalizing circuit

dynamic equalizing circuit

both static and dynamic equalizing circuits

none of the above

⇒ For a high pass filter, β = p in attenuation band.

TRUE

FALSE

⇒ For the output F to be 1 in the logic circuit shown, the input combination shoul

A = 1, B = 1, C = 0

A = 1, B = 0, C = 0

A = 0, B = 1, C = 0

A = 0, B = 0, C = 1

⇒ The primary function of lag compensator is to provide sufficient

gain margin

phase margin

both gain margin and phase margin

either (a) or (b)

⇒ An electron rises through a voltage of 100 V. The energy acquired by it will be

100 eV

100 joules

(100)

^{1.2}eV

(100)

^{1.2}joules

⇒ Directive gain is

a power ratio

a voltage ratio

a current ratio

a distance ratio

⇒ Consider the following, logic diagr

0000 to 1111

0000 to 1001

0000 to 1010

1001 to 0000

⇒ A ring counter with 5 flip-flops will have __________ states.

5

10

32

Infinite

⇒ Which of the following integer expressions is incorrect in Pascal?

`L div M + P `

`A * * B`

`A div B - C `

`A mod B`

⇒ A generator with an internal resistance of 600 Ω drives an amplifier whose input resistance is 400 Ω. The generator's open circuit voltages is 1 mV; the amplifier develops 100mV across an 8kΩ load. The voltage multiplication is

25

50

125

250

⇒ Most electromagnetic transmission in rectangular wave-guide uses

TE

_{10}mode

TE

_{01}mode

TE

_{20}mode

TE

_{11}mode

⇒ For aeroplane and navigation frequency band is

VLF

UHF

VHF

EHF

⇒ A circuit is replaced by its Thevenin's equivalent to find current through a certain branch. If V

_{TH}= 10 V and R

_{TH}= 20 Ω, the current through the branch

will always be 0.5 A

will always be less than 0.5 A

will always be equal to or less than 0.5 A

may be 0.5 A or more or less

⇒ If

*i*= 10 + 12 cos 500

*t*- 3.5 sin 500

*t*, then in amplitude phasse form

*i*=

10 + 12.5 sin (500

*t*+ 106.20°)

5 + 12.5 sin (500

*t*+ 106.20°)

10 + 11 sin (500

*t*+ 106.20°)

10 + 12.5 sin (500

*t*+ 10°)

⇒ A major advantage of TWT over a Klystron lies in its

higher bandwidth

higher gain

higher frequency

higher output