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Q1. | The full form of the abbreviations TTL and CMOS in reference to logic families are |

A. | Triple Transistor Logic and Chip Metal Oxide Semiconductor [Wrong Answer] |

B. | Tristate Transistor Logic and Chip Metal Oxide Semiconductor [Wrong Answer] |

C. | Transistor Transistor logic and Complementary Metal Oxide Semiconductor [Correct Answer] |

D. | Trisate Transistor Logic and Complementary Metal Oxide Silicon [Wrong Answer] |

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

⇒

**Assertion (A):** Both sodium and ferrous are ferromagnetic.

**Reason (R):** Both sodium and ferrous have body centred cubic structure.

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

⇒ A p matching network for coupling the transmitter output of the antenna is shown in figu

minimum D.C. plate current

maximum D.C. plate current

maximum RF antenna current

specified value of the D.C. plate current

⇒ In hexadecimal number system, A is equal to decimal number

10

11

17

18

⇒ A counter has 4 flip flops. It divides the input frequency by

4

2

8

16

⇒ The resistance of a bulb at the time of full brightness is 1200 Ω. Then the resistance at room temperature is about

1200 Ω

120 Ω

600 Ω

10 Ω

⇒ Half wave sysmmetry means

*f*(

*t*) = -

*f*(

*t*± T/2).

TRUE

FALSE

⇒ If the open-loop transfer function is a ratio of a numerator polynomial of degree '

*m*' and a denominator polynomial of degree '

*n*', then the integer (

*n*-

*m*) represents the number of:

breakaway points

unstable poles

separate root loci

asymptotes

⇒ In a microwave resistor the wall thickness is made as small as possible to

have high value of R

have low value of R

minimize capacitive effect

reduce inductance

⇒ In 8086 the word address is

the address of the least significant byte

the address of most significant byte

either (a) or (b) depending on the word

neither (a) nor (b)

⇒ As the number of flip flops are increased, the total propagation delay of

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both ripple and synchronous counters increase

both ripple and synchronous counters remain the same

ripple counter remains the same but that of synchronous counter increases

⇒ Calculate the conductivity of pure silicon at room temperature when the concentration of carriers is 1.6 x 10

^{10}per cm

^{3}. Take μ

_{e}= 1500 cm

^{2}/V-sec, μ

_{h}= 500 cm

^{2}/V-sec at room temperature,

5.12 x 10

^{-16}

5 x 10

^{+16}

10

^{16}

5 x 10

^{20}

⇒ 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 resistance R, inductance L and capacitance C are in series. The source frequency is adjusted to be equal to resonant frequency. The lower half power frequency is ω

_{1}. Another resistance R is added in series with the circuit. The new lower half power frequency will be

ω

_{1}

less than ω

_{1}

more than ω

_{1}

either more than ω

_{1}or less then ω

_{1}

⇒ A circuit has two branches 1 and 2 in parallel. If |Q

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_{2}| = 6 KVAR, the magnitude of total kvar drawn form supply will be

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2 KVAR

zero

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⇒ If the plate supply voltage for a plate modulated class C amplifier is E, the maximum plate cathode voltage could be almost as high as

E

2 E

3 E

4 E

⇒ An instruction using immediate addressing mode in 8085 is

2 bytes long

3 bytes long

2 or 3 bytes long

1 or 2 or 3 bytes long

⇒ The decimal equivalent of the binary number 10110.0101011101 is

22.24082165

22.340821675

22.3408213125

22.3408203125

⇒ The quantum numbers associated with electron motion are designed as

*a, b, c*

*h, k, l*

*n, m, l*

*h, n, l*

⇒ One advantage of using polar plot is that it depicts the frequency response characteristics over the entire frequency.

TRUE

FALSE

⇒ Consider the following sets of values of E, R and C for the circuit in the given fig

1 and 4

1 and 2

3 and 4

2 and 3

⇒ The electric field of 2.5 x 10

^{7}V/m can give 1 eV energy to condition electron, then in a copper block what will be the mean free path of electron?

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^{-7}m

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0.5 m

⇒ MUF is highest in periods of greatest sunspot activity.

TRUE

FALSE

⇒ The AM, PM, and TV broadcast frequencies are

of the same order as microwave range

much lower than microwave range

much higher than microwave range

either (a) or (c)

⇒ Figure represen

LED

Varistor

SCR

Diac

⇒ Which of the following amplifiers has a voltage gain of less than 1?

CE

CC

CB

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⇒ For a stable system

both phase and gain margin are negative

both phase and gain margin are positive

phase margin is positive but gain margin is negative

gain margin is positive but phase margin is negative

⇒ The function shown in figure, can represent a probability density function for A _______

A = 1/4

A = 1/6

A = 1/9

A = 1/2

⇒ During discharging a capacitor through a resistance, voltages across R and C are equal in magnitude.

TRUE

FALSE

⇒ When a wave reaches the open circuited end of a line

all the forward energy is reflected by the open circuit

all the forward energy is absorbed by the open circuit

a small portion of energy is radiated into atmosphere and the remaining energy is reflected

either (a) or (b)

⇒ The input differential stage of op-amp. 741 is baised at about 10 μA current such a low current of the input stage gives

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- high differential gain
- low differential
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1 and 2

1, 2 and 4

3 and 4

1, 2, 3 and 4