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Q1. | The parity bit is |

A. | always 1 [Wrong Answer] |

B. | always 0 [Wrong Answer] |

C. | 1 or 0 [Correct Answer] |

D. | none of the above [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 :**

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⇒ Computer ICs work reliably because

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⇒ In a negative feedback amplifier A = 100, β = 0.04 and V

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⇒ Which of the following statements defines a full adder?

It adds two binary digits and produces their SUM and CARRY

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It has two inputs and two outputs

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absence of non-linearity

high frequency response

small size

high accuracy

⇒ A quiescent state of a transistor implies

zero bias

no output

no distortion

no input signal

⇒ Self impedance is

same for transmitting (T

_{t}) and receiving antenna (T_{r})T

_{t}> T_{r}T

_{r}> T_{t}no relation

⇒ PAL system was proposed first in

USA

Japan

England

Germany

⇒

Match the following:

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

A. | R_{T} | 1. | A = D |

B. | R_{h} | 2. | h_{12} = h_{21} |

C. | S_{T} | 3. | AD - BC = 1 |

D. | S_{h} | 4. | h_{21} = - h_{21} |

5. | B = C | ||

6. | Δh = 1 |

A-3, B-4, C-1, D-6

A-3, B-2, C-5, D-4

A-5, B-4, C-1, D-2

A-5, B-4, C-1, D-6

⇒ For type 0 system the starting point (

*i.e.*ω = 0) of polar plot is finite and is on positive real axis.TRUE

FALSE

⇒ In the signal flow graph in the given figure the number of forward paths and pairs of non-touching loops are respecti

3 and 1

3 and 2

4 and 2

2 and 4

⇒ It is desired to reduce distortion in a CE amplifier circuit. We should

reduce emitter current

reduce collector current

reduce ac base voltage

reduce base emitter voltage

⇒ What will be FSV in 2 bit BCD D/A converter is a weighted resistor type with E

_{R}= 1V, R = 1 MΩ and R*= 10KΩ*_{f}0.99 V

0.9 V

0.1 V

0

⇒ The signal to noise ratio in telemetry should be better than

5 db

10 db

25 db

60 db

⇒ In a CD player the laser uses

silicon semiconductor

silicon/germanium semiconductor

aluminium gallium arsenide semiconductor

none of the above

⇒ Resistivity of copper is lower than that of nickel. When a small percentage of copper is added to nickel, the resistivity

increases

decreases

may increase or decrease

remains the same

⇒ A system is highly oscillatory if

gain margin is high

gain margin is close to 1

gain margin is close to 1 or phase margin is zero

gain margin is high and phase margin is 180°

⇒ A conductor has a cylindrical shape with a diameter

*d*. Its resistance is 2 Ω. It is recast into a cylindrical conductor of diameter 0.3*d*. The resistance of new conductor is likely to beless than 2 Ω

less than 0.6 Ω

between 2 and 100 Ω

more than 100 Ω

⇒ A D.C. amplifier amplify

D.C. only

A.C. only

both A.C. and D.C.

none of the above.

⇒ The sensitivity of a superheterodyne receiver is determined by

the gain IF amplifier

the gain of RF amplifier

the noise figure

all of the above

⇒ For a quadratic factor in denominator of transfer function the phase angle at corner frequency (in Bode phase angle plot)

is -90°

is +90°

depends on the damping factor

none of the above

⇒ The principal of locality of reference justifies the use of

interrupts

DMA

virtual memory

cache memory

⇒ If a fuse is higher than required current rating is employed in a circuit, it will

blow more frequently since it carries more current

afford better protection to the circuit

seriously overload the circuit

lead to larger maintenance cost

⇒ Audio amplifiers need

Bass control

Treble control

Both Bass and Treble control

Either Bass or Treble control