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Q1. | Minimum no. of 2 I/P NAND gate required to implement the Boolean function Z = ABC, assuming that A, B and C are available is |

A. | 2 [Wrong Answer] |

B. | 3 [Wrong Answer] |

C. | 5 [Correct Answer] |

D. | 6 [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 :**

⇒ Astable multivibrator has

one stable state

two stable state

two quasi-stable states

one quasi stable state

⇒ For a photoconductor with equal electron and hole mobilities and perfect ohmic contacts at the ends, an increase in illumination results in

a change in O.C. voltage

a change in S.C. current

a decrease in resistance

an increase in resistance

⇒ If each frequency component of

*f*(

*t*) is shifted by p/2, the resulting signal is

Hilbert transform of

*f*(

*t*)

Inverse Hilbert transform of

*f*(

*t*)

Laplace transform of

*f*(

*t*)

Fourier transform of

*f*(

*t*)

⇒

**Assertion (A):** In a conductor, current density remains constant in time as long as E is constant.

**Reason (R):** In a conductor, J = σE.

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 conductor in

*x-y*plane and having length 1 m is moving with a velocity V = (2

*i*+ 3

*j*+

*k*) m/sec. A magnetic induction field B = (

*i*+ 2

*j*) Wb/m

^{2}is applied to the conductor. The potential difference between the ends of the conductor is

0

4.88 V

6 V

None of these

⇒ The resistivity of intrinsic semiconductors, at room temperature, is of the order of

1 Ω-m

1000 Ω-m

10

^{6}Ω-m

10

^{-3}Ω-m

⇒ Consider the following library functions

- EXP (
*i.e., e*^{x}) - ARCTAN (
*i.e.* tan^{-1} *x*) - SQRT (
*i.e., x*) - AES (
*i.e. *|*x*|) <

All

1 and 3 only

1, 3, 4 only

1, 2 and 3 only

⇒ Consider the following about 'return' statement in C - On executing the return statement, it immediately transfers the control back to the calling program.
- There is no restriction on the number of 'return' statements present in a function.
- The 'return' statement must be present at the end of called function.

Which of the above are correct?

All

1 and 2 only

1 and 3 only

2 and 3 only

⇒ The control logic for a binary multiplier is specified by a states diagram. The state diagram has four states and two inputs. To implement it by the sequence register and decoder method.

two flip-flop & 2 x 4 decoder are needed

four flip-flop & 2 x 4 decoder are needed

two flip-flop & 3 x 9 decoder are needed

four flip-flop & 3 x 9 decoder are needed

⇒ **Assertion (A):** As the length of the resonant antenna is increased, the number of lobes increases and the direction of the major lobes is closer and closer to the direction of the diode.

**Reason (R):** As the length increases, the current distribution along the wire becomes more and more uniform.

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

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

A is true but R is false

A is false but R is true

⇒ The maximum temperature limit of class B insulation is

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105°C

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⇒ Which of the following is not a valid character constant in C?

A'

2'

='

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⇒ The network

First order system and the pole

Second order system of the two poles are

Second order system of the poles is

none of the above

⇒ In a full wave rectifier, the current in each of the diodes flows for

the complete cycle of the input signal

half cycle of the input signal

less than half cycle of the input signal

one-fourth cycle of the input signal

⇒ Highest value of autocorrelation function 100 sin 50 p*t* is

50

zero

100

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⇒ Which of the following is equivalent to *x*?

x EX-OR 0

x EX-NOR 0

1 NOR x

x AND x

⇒ The width of a radio beam from a 1 m diameter parabolic antenna at 1 GHz is about

100°

50°

5°

2°

⇒ In floating point number 0110100000010101, the exponent is equal to __________ _{10}

11

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⇒ In radar display system PPI stands for

Pulse Position Indicator

Plan Position Indicator

Phase Position Indicator

Point Position Indicator

⇒ The gradient of any scalar field always yields __________ .

a solenoidal field

a conservative field

an irrotational field

none of these

⇒ The transfer function V_{2}/V_{1} for figure

a zero at origin

a zero at infinity

no zero

a zero at *j*1

⇒ The minimum number of equations required to analyze the circuit shown in the figur

3

4

6

7

⇒ The terminals of a power BJT are called

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source, base, drain

source, base, collector

⇒ In a CE amplifier the output coupling capacitor is short circuited. The dc collector voltage

will increase

may increase or decrease

will remain the same

will decrease

⇒ A 4 bit shift register is initialized to value 1000 for (Q_{3}, Q_{2}, Q_{1}, Q_{0}). The D input is derived from Q_{0}, Q_{2} and Q_{3} through two XOR gates as shown in figure. The pattern 1000 will appea

3rd pulse

7th pulse

6th pulse

4th pulse

⇒ The input resistance R, of an ideal voltage amplifier is __________ and that of a current amplifier is __________ .

zero, zero

infinite, infinite

zero, infinite

infinite, zero

⇒ If input frequency is 50 Hz, the frequency of output wave in a half wave diode rectifier circuit is

25 Hz

50 Hz

100 Hz

200 Hz

⇒ An ideal op-amp has

infinite input and output resistance

low input and output resistance

low input and high output resistance

infinite input resistance and zero output resistance

⇒ Maximum usable frequency is [*f*_{muf}]

*f*_{c} sec *i*

*f*_{c} cos *i*

*f*_{c} sin *i*

*f*_{c} sec *i*

⇒ The width of a radio beam from a 1 m diameter parabolic antenna at 10 GHz is about

100°

50°

5°

1°

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