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Q1. | Which of the following correctly declares a pointer to an array of intergers in C? |

A. | int * P [20] [Wrong Answer] |

B. | int * P [Wrong Answer] |

C. | int (* P) [20] [Correct Answer] |

D. | int * (P [20]) [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 :**

⇒ If two time varying signals of equal magnitude and zero phase displacement are applied to X and Y plates respectively; of CRO, the display will be

a straight line

a circle

an ellipse

a square

⇒ A 3 bit binary adder should use

3 full adders

2 full adders and 1 half adder

1 full adder and 2 half adders

3 half adders

⇒ The I/P impedance of a short circuited quarter wave long transmission line is

purely reactive

purely resistive

depend on the characteristic impedance of the line

none of the above

⇒

**Assertion (A):** In reverse biased *p*-*n* junction, the reverse saturation current is nearly constant if the reverse voltage is less than critical value.

**Reason (R):** The total reverse current is sum of reverse saturation current and surface leakage current.

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

⇒ In figure, V

_{G2.22 V22.2 V0.22 V0.022 V}

⇒ To find the current in a 20 Ω resistance connected in a circuit, Norton's theorem is used. I

_{N}= 7.5 A. The current though 20 Ω resistance.

is 7.5 A

is less than 7.5 A

may be 7.5 A or less

may be 7.5 A or more or less

⇒ It

*f*(

*t*) is an odd function, the coefficients F

*in the exponential form of Fourier series*

_{n}are real

are imaginary

are complex

may be real or imaginary

⇒ 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

⇒ When a diode is forward biased, the diode current is

high

low

zero

low or zero

⇒ The ideal characteristics of a stabilizer is

constant output voltage with low internal resistance

constant output current with low internal resistance

constant output voltage with high internal resistance

constant internal resistance and constant output current

⇒

**Assertion (A):** Capacitance of a solid conducting spherical body of radius '*a*' is given by 4 pε_{0}*a* in free space.

**Reason (R):** Δ x H = *j*ωεE + J.

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

⇒ A zinc carbon cell is a primary cell.

TRUE

FALSE

⇒ When a wave is incident from the more dense into a less dense medium at an angle equal to or exceeding the critical angle, the wave suffers total internal __________ .

reflection

refraction

transmission

none of the above

⇒ The amplifier used in bootstrap voltage sweep should have a gain of

1

+∞

-1

-∞

⇒ A capacitor whose capacitance C

_{t}= C

_{0}(1- cos ω

*t*) is fed by a sinusoidal voltage

*v*= V

_{0}sin ω

*t*. The equation for current

*i*is

ω C

_{0}V

_{0}cos ω

*t*

ω C

_{0}V

_{0}sin ω

*t*

ω C

_{0}V

_{0}(cos ω

*t*- cos

^{2}ω

*t*)

none of the above

⇒ In push pull amplifier, each transistor conducts for

180°

360°

90°

45°

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

TRUE

FALSE

⇒ Minimum number of 2-input NAND gates required to implement the function F = (x + y) (Z + W) is

3

4

5

6

⇒ In a high frequency coaxial line and the length of line characteristic impedance is a function of

properties of insulating material only

inner and outer conductor radius only

both (a) and (b)

neither (a) nor (b)

⇒ The circuit shown in figure

low pass filter

high pass filter

band pass filter

band stop filter

⇒ A cycloconverter is

ac-dc converter

dc-ac converter

dc-dc converter

ac-ac converter

⇒

**Assertion (A):** The polynomial *s*^{3} + 6*s*^{2} + 12*s* + 8 is Hurwitz.

**Reason (R):** In a Hurwitz polynomial all coefficients are non-negative.

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

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

A is true but R is false

A is false but R is true

⇒ In operational Amplifier, Common mode voltage gain should be

0

∞

1

0.5

⇒ If V

_{dc1}is the dc output voltage in half wave controlled rectifier circuit feeding resistive load and V

_{dc2}is the dc output voltage in full wave controlled rectifier circuit (M - 2 connection) feeding resistive load, then

V

_{dc1}= 0.5 V

_{dc2}for all values of firing angle

V

_{dc1}= V

_{dc2}for all values of firing angle

V

_{dc1}≤ 0.5 V

_{dc2}for all values of firing angle

V

_{dc1}≥ 0.5 V

_{dc2}for all values of firing angle

⇒ The main advantage of CMOS circuit is

high gain

high output impedance

low power consumption

high gain and high output impedance

⇒ A virtual ground is a ground for

voltage

current

both voltage and current

voltage but not for current

⇒ In a reflex klystron oscillator, repeller electrode is at

low positive potential

high positive potential

negative potential

zero potential

⇒ DC ampere hour meter is an indicating instrument.

TRUE

FALSE

⇒ A buffer amplifier is

a double-tuned amplifier

a high gain D.C. amplifier

a cathode follower stage

none of the above

⇒

Match the following:

List I | List II | ||
---|---|---|---|

A. | CTFS | 1. | Periodic |

B. | DTFS | 2. | Non-periodic |

C. | CTFT | ||

D. | DTFT |

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

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

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

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