Users Also Read

MCQ's Search Engine

Electrical Engineering

Mechanical Engineering

Civil Engineering

Automobile Engineering

Chemical Engineering

Computer Engineering

Electronics Engineering

Medical Science Engg

Q1. | In microprocessor 8088 |

A. | 8 data bits are multiplexed with 8 least significant bits of address bus [Correct Answer] |

B. | 8 data bits are multiplexed with 8 most significant bits of address bus [Wrong Answer] |

C. | 16 data bits are multiplexed with 16 bits of address bus [Wrong Answer] |

D. | none of the above [Wrong Answer] |

View Answer
Explanation:-
Answer : ADiscuss 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 :**

⇒ The number of flip flops required to construct a register to store number 102

_{10}in binary form is

2

4

8

10

⇒ For what positive value of K does the polynomial

*s*

^{4}+ 8

*s*

^{3}+ 24

*s*

^{2}+ 32

*s*+ K have roots with zero real parts?

10

20

40

80

⇒ Fourier transform F(

*j*ω) of an arbitrary signal has the property

F(

*j*ω) = F(-

*j*ω)

F(

*j*ω) = - F(-

*j*ω)

F(

*j*ω) = F*(-

*j*ω)

F(

*j*ω) = - F*(

*j*ω)

⇒ A full wave diode rectifier using centre tapped transformer has diodes with forward resistance of 50 ohms each. The load resistance of 50 ohms each. The load resistance is also 50 ohms. The voltage regulation is

0.2

0.5

1

2

⇒ Which statement is incorrect for the signal

*x*(

*t*) = 5 sin (2p x 10

^{3}

*t*) sin (2p x 10

^{6}

*t*)?

Upper side band frequency is 1001000

Carrier amplitude is 5

Lower sideband frequency is 990000

*x*(

*t*) is DSB-SC

⇒ Which of the following statements is correct?

Convex lens has positive focal power and concave lens have negative focal power

Convex lens has negative focal power and concave lens have positive focal power

All lens have positive focal power

All lens have negative focal power

⇒ Which of the following impedance inversion is obtained?

Short-circuited stub

A quarter wave line

Balun transformer

A half wave line

⇒ Consider the following operation in a computer

- Multiplication of scalar
- Iversion of matrix
- Printing a line of 120 characters on a printer

1 and 2 only

1 and 3 only

1, 2 and 3

2 only

⇒ Reciprocity theorem is applicable to

circuits with one source

circuits with only one independent source

circuits with any number of sources

circuits with any number of independent sources

⇒ A CE amplifier has

*r*

_{e}= 6 Ω, β = 100 and a = 0.98. The input impedance is

6 Ω

100 Ω

600 Ω

98 Ω

⇒

**Assertion (A):** A VMOS can handle much larger current than other field effect transistors.

**Reason (R):** In a VMOS the conducting channel is very narrow.

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

⇒ Eddy currents are essential for the deflecting torque of an induction wattmeter.

TRUE

FALSE

⇒ A parallel in-parallel out shift register can be used to introduce delay in digital circuits.

TRUE

FALSE

⇒ The chip 8254 is a 40 pin programmable interval timer. The number of its independent 16 bit counters is

2

3

4

5

⇒ Which of the following quantities cannot be measured/determined using Hall effect?

Type of semiconductor (

*p*or

*n*)

Mobility of charge carriers

Diffusion constant

Carrier concentration

⇒ As per BIS there are 6 accuracy classes of instruments.

TRUE

FALSE

⇒ In the circuit of figure the switch is closed at

*t*= 0, At

*t*= 0

^{+}this current through inductanc

0

0.416666666666667

6.67 A

5.1 A

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

2.22 A

1.78 A

4.44 A

0.0833333333333333

⇒ __________ acts as a depolarizer in a dry cell.

ammonium chloride

carbon powder

manganese dioxide

zinc chloride

⇒ In push button type telephone set, pressing a button generates

one frequency

two high frequencies

two low frequencies

one low frequency and one high frequency

⇒ N-channel FETs are superior to

*p*-channel FETs because

mobility of electrons is smaller than that of holes

mobility of electrons is greater than that of holes

they consume less power

they have high switching time

⇒ The Fourier series of a real periodic function has only

- Cosine terms if it is even
- Sine terms if it is even
- Cosine terms if it is odd
- Sine terms if it is odd

(1) and (4)

(1) and (2)

(2) and (4)

(2) and (3)

⇒ The relative permeability of a ferromagnetic material is

1

less than 1

about 10

1000 or more

⇒ If the absolute value of a number is less than decimal 1, the sign of exponent in floating point representation is

zero

negative

zero or negative

positive

⇒ What would be the rms value of a sine wave having the same peak value as that of the above mentioned periodic wave?

42.2 V

19 V

38.2 V

none

⇒ V-I relationship of a network N is given by, V = 8 -

0, 2

0, 4

2, 4

None of these

⇒ A 12 bit ADC is employed to convert an analog voltage of zero to 10 volts. The resolution of the ADC is

2.44 mV

24.4 mV

83.3 mV

1.2 V

⇒ Dish antennas are

loop

helical

parabolic

conical

⇒

**Assertion (A):** A PROM can be used as a synchronous counter

**Reason (R):** Each memory location in a PROM can be read synchronously.

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

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

A is true, R is false

A is false, R is true

⇒ Which of the following is not a proper FORTRAN expression?

B + A / C - D

(A + C) / (B + D)

B + * A / C

A ** (B + 2)