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Q1. | Words having 8 bits are to be stored into computer memory. The number of lines required for writing into memory are |

A. | 1 [Wrong Answer] |

B. | 2 [Wrong Answer] |

C. | 4 [Wrong Answer] |

D. | 8 [Correct Answer] |

View Answer
Explanation:-
Answer : DDiscuss 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 :**

⇒

**Assertion (A):** The closeness of G(*j*ω) locus to (- 1 + *j*0) point can be used as a measured of margin of stability.

**Reason (R):** When the G(*j*ω) locus comes close to encircling (- 1 + *j*0) point the system becomes oscillatory.

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 correct but R is wrong

R is correct but A is wrong

⇒ In a square law modulator, the carrier frequency should be __________ times than the highest modulating frequency.

1

2

4

3

⇒ Binary multiplication 1 x 0 =

1

0

10

11

⇒ In a CE amplifier the ac signal is increased. Which of the following will not change?

Ac base voltage

Ac collector voltage

Ac emitter voltage

Ac collector voltage and ac emitter voltage

⇒ Magnetic flux density has the dimensions

MI

^{-1}T

^{-2}

M

^{-1}I

^{-2}T

^{-2}

ML

^{-3}T

^{-2}

MI

^{-1}T

^{-3}

⇒ A meter having 0-1000 μA range and 1000 Ω resistance is required to be changed to 0-100 mA meter. The value of shunt resistance is about

1 Ω

10 Ω

99 Ω

100 Ω

⇒ Which one of the following is D/A conversion technique?

Successive approximation

Weighted resistor

Dual slope

Single slope

⇒

**Assertion (A):** In an automobile the amount of fuel admitted to the engine is adjusted as per the difference between desired and actual speed.

**Reason (R):** The control signal is the amount of fuel to be admitted to the engine.

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 correct but R is wrong

R is correct but A is wrong

⇒ For 2 port reciprocal network, o.c. output voltage divided by input current is equal to

B

*z*

_{12}

1/

*y*

_{12}

*h*

_{12}

⇒ The units of the spectrum obtained be Fourier transforming the covariance function of a stationery Stochastic Process is

Power per Hz

energy per Hz

Power per sec

Energy per second

⇒ A 2 bit binary multiplier can be implemented using

2 inputs ANDs only

2 inputs XORs and 4 input AND gates only

Two 2 inputs NORs and one XNOR gate

XOR gates and shift registers

⇒ Two current sources each of rms value 10 A have frequencies 40 Hz and 50 Hz respectively. They are connected in series, the expression for resultant wave is

*i*= 10 sin 40

*t*+ 10 sin 50

*t*

*i*= 14.14 sin 40

*t*+ 14.14 sin 50

*t*

*i*= 14.14 sin 80 p

*t*+ 14.14 sin 100 p

*t*

*i*= 20 sin 80 p

*t*+ 20 sin 100 p

*t*

⇒ The characteristic equation of an SR flip-flop in given by

Q

_{n+1}= S + RQ

_{n}Q

_{n+1}= RQ

_{n}+ SQ

_{n}Q

_{n+1}= S + RQ

_{n}

Q

_{n+1}= S + RQ

_{n}⇒ 50 independent low pass signals of bandwidth W, 2W, 3W, W, 2W, 3W, W, 2W, 3W H

*z*are to be time division multiplexer on a common channel using PAM. To achieve this, the minimum transmission capacity of the channel should be __________ .

1 H

*z*

12 H

*z*

3 H

*z*

6 H

*z*

⇒ Voltage standing wave pattern in a loss less transmission line with characteristic impedance 50 Ω and a resistive load is shown in the figu

-0.6

-1

0.6

0

⇒ For maximum unclipped output from a CE amplifier, the Q point should be

at the centre of dc load line

at the centre of ac load line

at the centre of collector current

none of the above

⇒ The number of branches of root locus plot is equal to

the number of roots of characteristic equation

double the number of roots of characteristic equation

the number of roots of characteristic equation minus one

the number of roots of characteristic equation plus one

⇒ In which function is each term known as minterm?

SOP

POS

Hybrid

Both SOP and POS

⇒ (1001-10) is equal to

7

(8)

_{8}

(7)

_{4}

(8)

_{4}

⇒ Which of the following modulation is analog in nature?

PCM

DPCM

DM

PDM

⇒ In

*n*type MOSFET, the substrate

is

*p*type

is

*n*type

is metallic

may be

*p*or

*n*type

⇒ An

*n*type silicon bar 0.1 cm long and 100 μm

^{2}in cross-sectional area has a majority carrier concentration of 5 x 10

^{20}/m

^{3}and the carrier mobility is 0.13 m

^{0}/V-

*s*at 300k. If the charge of an electron is 1.6 x 10

^{-19}coulomb, then the resistance of the bar is

10

^{6}ohm

10

^{4}ohm

10

^{-1}ohm

10

^{-4}ohm

⇒ In a 4 bit D/A converter, the offset error is the output voltage when input digital voltage is

1111

0

either 1111 or 0000

none of the above

⇒ The residual resistivity of a binary alloy at 0°K is

the sum of the residual resistivities of the component metals

the difference of the residual resistivities of the component metals

the product of the residual resistivities of the component metals

depend on the concentration of the minor component in the alloy

⇒ An angle modulated signal is expressed by

*f*(

_{a}*t*) = cos (2 x 10

^{8}p

*t*) + 75 sin (2 x 10

^{3}p

*t*). The peak frequency deviation of the carrier is

1 kHz

7.5 kHz

75 kHz

100 MHz

⇒ A signal is sampled at Nyquist rate

*f*= 2

_{s}*f*

_{0}. The function can be recovered from its samples only. If it is a

Periodic square wave of fundamental frequency

*f*

_{0}

Triangular wave of fundamental frequency

*f*

_{0}

Periodic sine wave of fundamental frequency

*f*

_{0}

Unit impulse function

⇒ In a bistable multivibrator, commutating capacitors are used to

increase the base storage charge

provide ac coupling

increase the speed of response

alter the frequency of the output

⇒ Which junction transistor is preferred for high input and low output impedances?

Common emitter

Common base

Common collector

Any of the above

⇒ Consider the following

- A signal
*f*(*t*) and its Hilbert transform*f*(_{h}*t*) have the same energy density spectrum - A signal
*f*(*t*) and its Hilbert transform,*f*(_{h}*t*) have the same auto correlation function - A signal
*f*(*t*) and its Hilbert transform are mutually orthogonal

1, 2 and 3

1 and 2 only

1 only

2 and 3 only

⇒ In case of antenna the lower value of Q indicates

higher bandwidth

lower bandwidth

higher distortion

lower distortion