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Q1. | To multiply a number by 8 in 8085 we have to use `RAL` instruction |

A. | once [Wrong Answer] |

B. | twice [Wrong Answer] |

C. | thrice [Correct Answer] |

D. | four times [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 :**

⇒ In the given figure the input frequency

*f*= 0.1 (1/2 p

0 dB

3 dB

-3 dB

20 dB

⇒ For the circuit in figure, fed by a unit step voltage,

*v*

_{c1 - e-t/RCe-t/RCet/RC1}

⇒ In a CD player the speed of CD is

constant at 500 rpm

constant at 200 rpm

varies from 200 to 500 rpm

none of the above

⇒ In case of surface waves the field strength at a point is directly proportional to

antenna height

wave frequency

current of the antenna

distance of the point from the antenna

⇒ In a forward biased

*p*-

*n*junction current enters

*p*material as hole current and leaves

*n*material as electron current of the same magnitude.

TRUE

FALSE

⇒ The static characteristic of an adequately forward biased

*P*-

*n*junction is a straight line, if the plot is of __________ V

_{s}→ versus

log I V

_{s}log V

log I V

_{s}V

I V

_{s}log V

I V

_{s}V

⇒ A communication channel disturbed by additive white, Gaussian noise has a bandwidth of 4 kHz and SNR of 15. The highest transmission rate that this channel can support (in k bits/sec) is

16

1.6

3.2

60

⇒ The dc output voltage from a power supply

increases with higher values of filter capacitance and decreases with more load current

decreases with higher values of filter capacitance and increases with more load current

decreases with higher values of filter capacitance as well as with more load current

increases with higher values of filter capacitance as well as with more load current

⇒ A carrier is simultaneously modulated by two sine waves having modulation indices of 0.4 and 0.3. The total modulation index will be

0.1

0.7

0.5

0.35

⇒ If a function Z(

*s*) has a pole at infinity, then

the degrees of numerator and denominator are equal

the degree of numerator is one higher than that of denominator

the degree of denominator is one higher than that of numerator

the difference between the degrees of numerator and denominator is 0 or 1

⇒ In an

*n*type semiconductor

number of free electrons and holes are equal

number of free electrons is much greater than the number of holes

number of free electrons may be equal or less than the number of holes

number of holes is greater than the number of free electrons

⇒ TTL is used in electronic calculators.

TRUE

FALSE

⇒ In which amplifier circuit is gate conductance negligible?

JFET amplifier

MOSFET amplifier

Both JFET and MOSFET amplifier

None of the above

⇒ A dynamometer wattmeter is connected in ac circuit. The measured power is

rms power

average power

peak power

instantaneous power

⇒ Which of the following theorems enables a number of voltage (or current) sources to be combined directly into a single voltage (or current) source?

Superposition theorem

Compensation theorem

Millman's theorem

Thevenin's theorem

⇒ Noise can be measured by

D.C. voltmeter

A.C. voltmeter

either of the above

none of the above

⇒ Read the following statements about Java

- It is well suited to design software which works in conjunction with internet.
- It is cross platform language.
- Java is close to programming language C, C ++ etc.
- It is an object oriented.

All

1, 2 and 3 only

1, 2 and 4 only

2, 3, 4 only

⇒ A directional coupler is used

to transmit microwave signals

to generate microwave signals

to measure amplitude and phase of a travelling wave

both (a) and (b)

⇒ The total area under the probability distribution curve is

1

0

depend upon curve equation

∞

⇒ Maximum usable frequency is [

*f*

_{muf}]

*f*sec

_{c}*i*

*f*cos

_{c}*i*

*f*sin

_{c}*i*

*f*sec

_{c}*i*

⇒ 'Rotate instruction' in microprocessor belongs to

data transfer group

arithmetic group

logic group

branch group

⇒ Two impedances 10 -

*j*10 and 10 +

*j*10 are connected in parallel. Their combined impedance is

5 +

*j*5

5 -

*j*5

10 +

*j*0

20 -

*j*10

⇒ In an air cored coil, a current of 0.7 A causes a flux of 5 x 10

^{-6}Wb. If the core is made of cast iron and the coil is similar, the same current can set up a flux of about

5 x 10

^{-6}Wb

5 x 10

^{-8}Wb

10

^{-2}Wb

5 x 10

^{-4}Wb

⇒

**Assertion (A):** In a BJT, the base region is very thick.

**Reason (R):** In *p*-*n*-*p* transistor most of holes given off by emitter diffuse through the base.

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

⇒ Which one of the following is also called 'rat race'?

E plane tee

H plane tee

Magic tee

Hybrid ring

⇒ A single phase electric heater uses phase controlled thyristors. The firing angle is 90°. The degree of heating is

25% of maximum

50% of maximum

75% of maximum

none of the above

⇒ Which of the following statement is false?

The gate of DMOSFET may be biased positively, zero or negatively

N-channel enhancement-only MOSFET conducts only when its gate is highly positive

JFET has lower input impedance than MOSFET

The bipolar base is forward biased, JFET gate must also be forward biased

⇒ Multiplexer can be used as logic function generator.

TRUE

FALSE

⇒ Which of the following is multiband HF receiving antenna?

Square loop

Log-periodic

Conical horn

Folded dipole

⇒ In the above circuit, if the power dissipated in the 6 Ω resistor is zero then

20 2∠ 45°

20 ∠ 30°

20 ∠ 45°

20 2∠ 30°