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Q1. | Which memory has read operation, byte erase, byte write and chip erase? |

A. | RAM [Wrong Answer] |

B. | UVEPROM [Wrong Answer] |

C. | EEPROM [Correct Answer] |

D. | both (b) and (c) [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 :**

⇒ Consider the following logical IF statement in Fortran 77

IF (SALT - PEPPER) 13, 11, 11

IF (SALT - PEPPER) 13, 13, 11

IF (SALT - PEPPER) 11, 13, 13

⇒ The advantage of using crystal oscillator is that it

requires low d.c. supply voltage

works at high frequency

gives high output voltage

gives constant frequency of oscillations

⇒ The frequency of oscillations obtained from a reflex klystron depends mainly on

resonant frequency of cavity

repeller voltage

voltage of focussing electrode

characteristics of cathode

⇒ A capacitor stores 0.15C at 5 V. Its capacitance is

0.75 F

0.75 μF

0.03 F

0.03 μF

⇒ If

*f*(

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

_{n}in the exponential form of Fourier series

are real

are imaginary

are complex

may be real or imaginary

⇒ For a 400 kHz transmission line having L = 0.5 mH/km, C = 0.08 mF and negligible R and G, the velocity propagation will be

15.8303 km/s

15.830 km/s

1.583 km/s

0.1583 km/s

⇒ Find the value of K and velocity constant K

*so that the maximum overshoot in the unit step response is 0.2 and the peak time is 1*

_{v}12.37, 0.175

12.86, 2.175

11.36, 1.175

1.86, 0.175

⇒

Match the following:

List I (BHE, A0) | List II (Word is read/write) | ||
---|---|---|---|

A. | 0, 0 | 1. | 1 byte from/to odd address |

B. | 0, 1 | 2. | 1 byte from/to even address |

C. | 1, 0 | 3. | 16 bit word |

D. | 1, 1 | 4. | None |

A-1, B-2, C-3, D-4

A-3, B-1, C-2, D-4

A-2, B-3, C-4, D-1

A-4, B-1, C-2, D-3

⇒ In PAL system weighting of R - Y and B - Y signals is done to

prevent over modulation on saturated colours

prevent under modulation of saturated colours

allow over modulation of saturated colours

allow under modulation on saturated colours

⇒ The following table gives some Laplace transforms and the functions

f(t) | F(s) | |

1. | δ(t) | s |

2. | u(t) | 1/s |

3. | tu(t) | 2/s^{2} |

4. | t^{2}u(t) | 2s^{3} |

2 and 4

1 and 4

2 and 4

1 and 2

⇒ The number of variables in a function is odd and the number of minterms with even number of 0's are same as the number of minterms with odd number at 1 's, the expression formed can be represented in __________ as well as __________ form.

exclusive - OR, NOR

equivalence, exclusive - OR

AND, coincidence

OR, exclusive - OR

⇒ In a coupled coil the primary has 100 turns and secondary has 200 turns. The primary produces, a flux Φ =

*e*

^{-t}. The coefficient of coupling is 1. The voltages induced in secondary is

200

*e*

^{-t}V

200

*e*

^{t}V

200 V

none of the above

⇒ In 3 phase power measurement by two wattmeter method, both wattmeters had equal reading. The power factor of load is

1

0.5 lagging

0.5 leading

0

⇒ A two branch parallel circuit has a 10 Ω resistance and 0.5 H inductance in one branch and a 100 μF capacitor in the second branch. It is fed from 100 V ac supply. At resonance, the source current is

0.416666666666667

0.0416666666666667

0.2 A

0.05 A

⇒ In the circuit of figure,

*v*

_{1}=

*v*

_{2}= 10 V.

I

_{1}= I

_{2}

I

_{1}> I

_{2}

I

_{2}> I

_{1}

I

_{1}= 0

⇒ In a phase discriminator

*f*, is the IF to which primary circuit is tuned. Consider the following statements: The primary and secondary voltages are

_{c}- exactly 90° out of phase when input frequency is
*f*_{c} - more than 90° out of phase when input frequency is higher than
*f*_{c} - less than 90° out of phase when input frequency is lower than
*f*_{c}

1 only

1 and 2

1, 2 and 3

2 and 3

⇒ Whenever a JFET operates above pinch-off voltage

depletion regions become smaller

drain current increase steeply

drain current starts decreasing

drain current remains nearly constant

⇒ A monostable multivibrator has

no stable state

one stable state

two stable state

none of the above

⇒ The capacitor filter provides poor voltage regulation because

the increase in ripple with load current causes a decrease in average voltage

the increase in ripple with load current causes a increase in average voltage

filter promotes ripple at peak voltage

none of the above

⇒ Separation property of state-transition matrix is

φ(

*t*-

*t*

_{0}) = φ(

*t*) φ(

*t*

_{0})

φ(

*t*-

*t*

_{0}) = φ

^{-1}(

*t*) φ

^{-1}(

*t*

_{0})

φ(

*t*-

*t*

_{0}) = φ(

*t*) φ

^{-1}(

*t*

_{0})

φ(

*t*-

*t*

_{0}) = φ

^{-1}(

*t*) φ

^{-1}(

*t*

_{0})

⇒ The Ebers-moll equation for I

_{E}in CB configuration is given by

I

_{E}= a

_{n}I

_{C}I

_{EC0}

I

_{E}= a

_{I}I

_{C}+ I

_{C0}

I

_{E}= a

_{n}I

_{C}+ I

_{C0}(

*e*

^{qVEB/KT-1})

I

_{E}= a

_{I}I

_{C}+ I

_{E0}(

*e*

^{qVEB/KT}- 1)

⇒ Coaxial cables can be used for which frequency?

15 kHz

10 MHz

200 MHz

2000 MHz

⇒ A step voltage E is applied to a series R-L circuit. The rate of change of current is maximum at

*t*=

zero

infinity

L/R

R/L

⇒ A current of 1 A in the coil of an iron cored electromagnet cause a flux density of 0.2.T. If the current is 2 A, B=

0.2 T

0.4 T

0.4 T or less

0.4 T or more

⇒

**Assertion (A):** When reverse voltage across a *p*-*n* junction is increased, the junction capacitance decreases.

**Reason (R):** Capacitance of any layer is inversely proportional to thickness.

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

⇒ A moving coil meter has 10 Ω resistance and requires 40 mA for full scale deflection. The shunt resistance required to convert it into 0-2 A ammeter is

0.1021 Ω

0.2041 Ω

0.256 Ω

0.4210 Ω

⇒ Which of the following materials has the highest electrical conductivity?

Steel

Silver

Aluminium

Zinc

⇒ A variable reluctance type tachometer has 150 teeth on rotor. The counter records 13500 pulse/sec. The rotational speed is

4800 RPM

5400 RPM

6000 RPM

7200 RPM

⇒ In a CE amplifier circuit, the output voltage

is very small

is always constant

depends on β

none of the above

⇒ The generic microprocessor contains a zero and a carry flag. These are located on

interrupt control

status register

either (a) or (b)

none of the above