The term “white noise” refers to the following: A random signal with flat power spectral density
Description : In communication systems, noise due to quantization error is a) Linear and signal dependent b) Non-linear and signal dependent c) Linear and signal independent at low frequencies only d) non -linear and signal dependent at low frequencies only
Last Answer : In communication systems, noise due to quantization error is Linear and signal dependent
Description : Which of the following noise must be considered at high frequencies (microwave frequencies)? (1) Shot noise (2) Random noise (3) Impulse noise (4) Transit time noise
Last Answer : Which of the following noise must be considered at high frequencies (microwave frequencies)? (1) Shot noise (2) Random noise (3) Impulse noise (4) Transit time noise
Description : The modulation system inherently most noise resistant is: (1) Frequency modulation (2) Pulse width modulation (3) Pulse code modulation (4) Phase modulation
Last Answer : The modulation system inherently most noise resistant is: Pulse code modulation.
Description : In a PCM system of telemetry, the quantization noise depends on: (1) The sampling rate and quantization level (2) The sampling rate only (3) The number of quantization level (4) Information provided is not sufficient
Last Answer : In a PCM system of telemetry, the quantization noise depends on: The number of quantization level.
Description : The input to a coherent detector is DSB-SC signal plus noise. The noise at the detector output is: (1) The in-phase component (2) The quadrature-component (3) Zero (4) The envelope
Last Answer : The input to a coherent detector is DSB-SC signal plus noise. The noise at the detector output is: Zero.
Description : The noise is more dominant in which of the following: (1) PAM (2) PWM (3) PPM (4) FSK
Last Answer : The noise is more dominant in PAM.
Last Answer : Frequency modulation gives Less noise
Last Answer : Quantising noise can be reduced by increasing Number of standard quantum levels.
Last Answer : The thermal noise is due to random Motion of free electrons.
Description : Noise pollution refers to the state of unbearable and uncomfortable to human beings -Geography
Last Answer : (i) A regular awakening campaign. (ii) Extension of education and individual efforts. (iii) Harmony, fraternity and cooperation.
Description : Which of the following refers to theterms "residual error rate"? A. the number of biterrors per twenty four hours of continuous operation onanasynchronous line B. The probability that one or moreerrors ... tonoise ratio dividedby the ratio of energy perbit to noise per hertz E. None of the above
Last Answer : The probability that one or moreerrors will be undetected whenan error detection scheme is used
Description : Another term for clergyman's sore throat is a) chronic granular pharyngitis. In clergyman's sore throat, the pharynx is characterized by numerous swollen lymph follicles. b) ... . Hypertrophic pharyngitis is characterized by general thickening and congestion of the pharyngeal mucous membrane.
Last Answer : a) chronic granular pharyngitis. In clergyman’s sore throat, the pharynx is characterized by numerous swollen lymph follicles.
Description : Palliation refers to a) relief of symptoms associated with cancer. Palliation is the goal for care in terminal cancer patients. b) hair loss. Alopecia is the term that refers to hair loss. c) ... the lowest point of white blood cell depression after therapy that has toxic effects on the bone marrow.
Last Answer : a) relief of symptoms associated with cancer. Palliation is the goal for care in terminal cancer patients.
Description : The term cracker refers to_____ A. Black hat hacker. B. White hat hacker. C. Grey hat hacker. D. None of the above.
Last Answer : A. Black hat hacker.
Description : White noise for babies, do or don't?
Last Answer : You have probably heard that those “Baby Einstein” (and Mozart, or white noise) things don’t work. This article might be helpful.
Description : How can noises (like white noise) have colors?
Last Answer : I have a white noise app on my phone that has noises of all the colours you mentioned in your question. Wikipedia has a page on it that’s a rather fun read. My favourites are the Purple/Violet and White noises, the others feel weird :s
Description : Is there a sleep aid recording out there that is not nature or white noise?
Last Answer : Are there any movies that work for you?
Description : Which noise is produced by lighting discharges in thunderstorms? A. White noise B. Extraterrestrial noise C. Industrial noise D. Atmospheric noise
Last Answer : D. Atmospheric noise
Description : _________ is measured on a circuit when it is correctly terminated but does not have any traffic. A. White noise B. Galactic noise C. Impulse noise D. Atmospheric noise
Last Answer : A. White noise
Description : One of the following is not among the advantages of series modulation A. No transformer B. Suppressed white noise C. Simple D. Modulates any frequency
Last Answer : B. Suppressed white noise
Description : The most common unit of noise measurement in white noise voltage testing. A. NPR B. dBm C. dBW D. dBrn
Last Answer : A. NPR
Description : Noise caused by the thermal agitation of electrons in resistance. A. All of these B. Thermal noise C. Johnson’s noise D. White noise
Last Answer : A. All of these
Description : The most common unit of noise measurement in white noise testing. A. dBw B. dBk C. dBm D. NPR
Last Answer : D. NPR
Description : Noise from random acoustic or electric noise that has equal per cycle over a specified total frequency band. A. Thermal noise B. White noise C. Gaussian noise D. All of these
Last Answer : D. All of these
Description : ______ is a term in the test language for noise testing in telephone circuits that means a one-syllable word consisting of a consonant, a vowel, and another consonant. A. Logatom B. Nosfer C. Ore D. Belcore
Last Answer : A. Logatom
Description : What is meant by the term modulation index? A. The processor index. B. The ratio between the deviation of a frequency modulated signal and the modulating frequency. C. The FM signal-to-noise ratio. D. The ratio of the maximum carrier frequency deviation to the highest audio modulating frequency.
Last Answer : B. The ratio between the deviation of a frequency modulated signal and the modulating frequency.
Description : Which of the following term best described the overload distortion? A. Peak limiting B. Quantization noise C. Granular noise D. Slope distortion
Last Answer : A. Peak limiting
Description : Define the term signal to noise ratio.
Last Answer : Signal to Noise ratio: The ratio of the strength of an electrical or other signal carrying information to that of unwanted interference is called as signal to noise ratio. OR Signal to Noise Ratio is defined as ... the same point. S/N=Ps/Pn where,Ps=Signal Power Pn=Noise Power at the same point
Description : Define the term electrical noise. List types of noises.
Last Answer : Electrical Noise:- It can be defined as undesirable electrical signals, which distort or interfere with an original (or desired) signal. Types of noises:-
Description : Operation Flood refers to (a) Blue revolution (b) Green revolution (c) White revolution (d) All the three
Last Answer : Ans: (c)
Description : Which of the following refers to the white salt which covers the land in some areas during dry season? (1) usar (2) reh (3) erg (4) reg
Last Answer : (2) reh Explanation: Reh refers to a mixture of soluble sodium salts appearing as efflorescence on the ground in arid or semiarid regions in India. It covers the land in the form of a white layer. It is also known as Kallar.
Description : Which of the following terms refers to a condition characterized by destruction of the melanocytes in circumscribed areas of the skin? a) Vitiligo Vitiligo results in the development of white patches ... refers to red marks on the skin caused by stretching of the superficial blood vessels.
Last Answer : a) Vitiligo Vitiligo results in the development of white patches that may be localized or widespread.
Description : Which of the following terms refers to a form of white blood cell involved in immune response? a) Lymphocyte Both B and T lymphocytes respond to exposure to antigens. b) Granulocyte Granulocytes ... blood cell without central pallor, seen with hemolysis. d) Thrombocyte A thombocyte is a platelet.
Last Answer : a) Lymphocyte Both B and T lymphocytes respond to exposure to antigens.
Description : Which of the following terms refers to an abnormal decrease in white blood cells, red blood cells, and platelets? a) Pancytopenia Pancytopenia may be congenital or acquired. b) Anemia ... of WBCs in circulation. d) Thrombocytopenia Thrombocytopenia refers to a lower-than-normal platelet count.
Last Answer : a) Pancytopenia Pancytopenia may be congenital or acquired.
Description : A physician refers a nine years-old boy to you to confirm diagnosis. The boy has a fever of 40°C and coughing. When you focus your light into his eyes he turns away. Intra-orally there are white ... by red margins. The disease and lesions are: A. Measles and Koplik's spots B. AHGS vesicles
Last Answer : A. Measles and Koplik’s spots
Description : The “White man‟s burden” refers to: (a) A belief in the equality of all races of man (b) The assumed “Superiority of the white race with obligation to guide and develop “inferior” races (c) European isolation policies (d) All of these (e) None of these
Last Answer : (b) The assumed “Superiority of the white race with obligation to guide and develop “inferior” races
Description : Which hacker refers to ethical hacker? A. Black hat hacker. B. White hat hacker. C. Grey hat hacker. D. None of the above.
Last Answer : B. White hat hacker.
Last Answer : reh