What is an analog signal ?

What is an analog signal ?
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1 Answer

Answer :

Signals whose values ​​change continuously are called analog signals. For example- voltage of electricity supplied to the house.
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Related questions

What does digital signal mean ?

Description : What does digital signal mean ?

Last Answer : A digital signal means that the signal or symbol has two defined levels.

What is meant by Logic Level of Digital Signal ?

Description : What is meant by Logic Level of Digital Signal ?

Last Answer : The voltage used to indicate binary '1' and '0' is called logic level.

What are the characteristics of digital signal ?

Description : What are the characteristics of digital signal ?

Last Answer : There are two main features of digital signal. 1. This signal changes suddenly from one state to another. 2. Low and high level values are fixed.

What type of signal is used in digital electronics ?

Description : What type of signal is used in digital electronics ?

Last Answer : Digital signals are used in digital electronics , the level and value of which are determined.

What is meant by pulse rate or frequency of digital signal ?

Description : What is meant by pulse rate or frequency of digital signal ?

Last Answer : The number of vibrations per second in a signal is called Pulse rate .

What is digital signal ?

Description : What is digital signal ?

Last Answer : A signal whose value changes step by step over time is called a digital signal. This is often called a discrete-time signal. The value of any moment of the digital signal is at a certain step / state. Digital signals are processed through circuits like Eder , Subtractor , Multiplexer , Register etc.

What is an analog signal in Arduino?

Description : What is an analog signal in Arduino?

Last Answer : An analog signal in Arduino is a signal that can have a range of values between 0V and 5V, representing a continuous range of values.

TCP helps in converting the digital signal to analog signal and vice_versa. -Technology

Description : TCP helps in converting the digital signal to analog signal and vice_versa. -Technology

Last Answer : False The process of converting digital signal into analog signal is called modulation and is done by a modem.

What kind of signal is analog signal ?

Description : What kind of signal is analog signal ?

Last Answer : Analog signal: The value of a signal (voltage , current , or frequency) that changes continuously with time and can have any meaning at any moment is called analog signal. This is often called ... as filters , amplifiers , modulators, etc. are used to process such signals. References : Bissoy.com

What is an analog signal ?

Description : What is an analog signal ?

Last Answer : Answer : Analog systems use alternating analog electrical signals. An uninterrupted electrical signal is called an analog signal. Heat , pressure , flow are examples of some of the constantly changing ... electric waves. Radio , tape recorder , analog computer are some examples of analog methods.

What is the difference between analog and digital signal ?

Last Answer : Digital and analog are basically a type of signal that is used to exchange information. In shortcut analog technology the information is converted into electric pulse of different wavelengths. ... for computing and electronic devices. . Cost: Analog technology is comparatively cheaper than digital.

A technique used by codes to convert an analog signal into a digital bit stream is known as A) Pulse code modulation B) Pulse stretcher C) Query processing D) Queue management

Description : A technique used by codes to convert an analog signal into a digital bit stream is known as A) Pulse code modulation B) Pulse stretcher C) Query processing D) Queue management

Last Answer : Answer : A

Noise occurring in the presence of signal resulting from a mismatch between the exact value of an analog signal and the closet available quantizing step in a digital coder. A. Quantizing noise B. Thermal noise C. Impulse noise D. Crosstalk

Description : Noise occurring in the presence of signal resulting from a mismatch between the exact value of an analog signal and the closet available quantizing step in a digital coder. A. Quantizing noise B. Thermal noise C. Impulse noise D. Crosstalk

Last Answer : A. Quantizing noise

The conversion of digital signal into analog for purposes of transmitting into the telephone line is done through ______. A. ISDN B. Radio C. RS232C D. Modem

Description : The conversion of digital signal into analog for purposes of transmitting into the telephone line is done through ______. A. ISDN B. Radio C. RS232C D. Modem

Last Answer : D. Modem

Digital transmission provides a higher level of signal quality than analog transmission because A. repeaters regenerate digital pulses and remove distorstion B. digital signals are easier to sample than analog signals C. digital signals are smaller than analog signals and cannot easily be distorted D. analog signals are continuous and not easily distorted.

Description : Digital transmission provides a higher level of signal quality than analog transmission because A. repeaters regenerate digital pulses and remove distorstion B. digital signals are easier to sample than ... and cannot easily be distorted D. analog signals are continuous and not easily distorted.

Last Answer : A. repeaters regenerate digital pulses and remove distorstion

In a synchronous modem, the digital-to-analog converter transmits signal to the a. equilizer b. modulator c. demodulator d. terminal e. none of aobve

Description : In a synchronous modem, the digital-to-analog converter transmits signal to the a. equilizer b. modulator c. demodulator d. terminal e. none of aobve

Last Answer : equilizer

________conversion is therepresentation ofanalog information by an analog signal. A) Digital-to-analog B) Analog-to-analog C) Analog-to-digital D) Digital-to-digita

Description : ________conversion is therepresentation ofanalog information by an analog signal. A) Digital-to-analog B) Analog-to-analog C) Analog-to-digital D) Digital-to-digita

Last Answer : Analog-to-analog

_______ conversionis the process of changing one of the characteristics ofan analog signal basedon the informationin the digitaldata. A) Digital-to-analog B) Analog-to-analog C) Analog-to-digital D) Digital-to-digital

Description : _______ conversionis the process of changing one of the characteristics ofan analog signal basedon the informationin the digitaldata. A) Digital-to-analog B) Analog-to-analog C) Analog-to-digital D) Digital-to-digital

Last Answer : Digital-to-analog

The most common technique to change an analog signal to digitaldata is called __________. A) PAL B) PCM C) sampling D) none of the abov

Description : The most common technique to change an analog signal to digitaldata is called __________. A) PAL B) PCM C) sampling D) none of the abov

Last Answer : PCM

A(n)_________ signal is a composite analogsignal with an infinite bandwidth. A) digital B) analog C) either (a)or (b) D) neither (a) nor (b

Description : A(n)_________ signal is a composite analogsignal with an infinite bandwidth. A) digital B) analog C) either (a)or (b) D) neither (a) nor (b

Last Answer : digital

Bits can be sent over guided and unguided media as analog signal by ___________ a. digital modulation b. amplitude modulation c. frequency modulation d. phase modulation

Description : Bits can be sent over guided and unguided media as analog signal by ___________ a. digital modulation b. amplitude modulation c. frequency modulation d. phase modulation

Last Answer : a. digital modulation

The signal which has infinitely many levels of intensity over a period of time is called ……… A. digital signal B. analog signal C. both a and b D. sound signal

Description : The signal which has infinitely many levels of intensity over a period of time is called ……… A. digital signal B. analog signal C. both a and b D. sound signal

Last Answer : A. digital signal

The piece of hardware that converts your computers digital signal to an analog signal that can travel over telephone lines is called a: a) Red Wire b) Blue Cord c) Tower d) Modem e) None of These

Description : The piece of hardware that converts your computers digital signal to an analog signal that can travel over telephone lines is called a: a) Red Wire b) Blue Cord c) Tower d) Modem e) None of These

Last Answer : d) Modem

The analog signal needs to be sampled at a minimum sampling rate of: (A) 2fs (B) 1/(2fs) (C) fs/2 (D) 2/fs

Description : The analog signal needs to be sampled at a minimum sampling rate of: (A) 2fs (B) 1/(2fs) (C) fs/2 (D) 2/fs

Last Answer : (A) 2fs

Which performance parameter is the minimum amount of optical power required to achieve a specific bit-error rate (BER) in digital systems or a given signal-to-noise ratio (SNR) in analog systems?

Description : Which performance parameter is the minimum amount of optical power required to achieve a specific bit-error rate (BER) in digital systems or a given signal-to-noise ratio (SNR) in analog systems?

Last Answer : Receiver sensitivity.

What is an analog signal?

Description : What is an analog signal?

Last Answer : A continuous signal that varies in a direct proportion to the instantaneous value of a physical

A pulse modulation technique as the width of a constant amplitude pulse is varied proportional to the amplitude of the analog signal at the time the signal is sampled.

Description : A pulse modulation technique as the width of a constant amplitude pulse is varied proportional to the amplitude of the analog signal at the time the signal is sampled.

Last Answer : PWM, PLM, PDM

The slope of the analog signal is greater than the delta modulator can maintain

Description : The slope of the analog signal is greater than the delta modulator can maintain

Last Answer : Slope overload

Differentiate analog and digital signal.

Description : Differentiate analog and digital signal.

Last Answer : Analog signals are defined for every value of time and they take on values in the continuous interval (a,b) where ‘a’ can be -∞ and ‘b’ can be ∞. Ex : x(t)=cos πt ; -∞

A technique used by codes to convert an analog signal into a digital bit stream is known as a. Pulse code modulation b. Pulse stretcher c. Query processing d. Queue management

Description : A technique used by codes to convert an analog signal into a digital bit stream is known as a. Pulse code modulation b. Pulse stretcher c. Query processing d. Queue management

Last Answer : a. Pulse code modulation

A technique used by codes to convert an analog signal into a digital bit stream is known as a. Pulse code modulation b. Pulse stretcher c. Query processing d. Queue management

Description : A technique used by codes to convert an analog signal into a digital bit stream is known as a. Pulse code modulation b. Pulse stretcher c. Query processing d. Queue management

Last Answer : a. Pulse code modulation

A technique used by codes to convert an analog signal into a digital bit stream is known as a. Pulse code modulation b. Pulse stretcher c. Query processing d. Queue management

Description : A technique used by codes to convert an analog signal into a digital bit stream is known as a. Pulse code modulation b. Pulse stretcher c. Query processing d. Queue management

Last Answer : a. Pulse code modulation

Choosing a discrete value that is near but not exactly at the analog signal level leads to a) PCM error b) Quantization error c) PAM error d) Sampling error

Description : Choosing a discrete value that is near but not exactly at the analog signal level leads to a) PCM error b) Quantization error c) PAM error d) Sampling error

Last Answer : b) Quantization error

Which of the following statement is correct ? (A) Modem is a software (B) Modem helps in stabilizing the voltage (C) Modem is the operating system (D) Modem converts the analog signal into digital signal and vice-versa

Description : Which of the following statement is correct ? (A) Modem is a software (B) Modem helps in stabilizing the voltage (C) Modem is the operating system (D) Modem converts the analog signal into digital signal and vice-versa

Last Answer : (D) Modem converts the analog signal into digital signal and vice-versa

Which of the following statements is NOT correct ? (A) Computer is capable of processing only digital signal (B) Computer is capable of analysing both quantitative and qualitative data (C) Appropriate software is required for processing the data (D) Computer is capable of processing digital as well as analog signals

Description : Which of the following statements is NOT correct ? (A) Computer is capable of processing only digital signal (B) Computer is capable of analysing both quantitative and qualitative data (C) Appropriate ... for processing the data (D) Computer is capable of processing digital as well as analog signals

Last Answer : Answer: A

An analog signal carries 4 bits in each signal unit. If 1000 signal units are sent per second, then baud rate and bit rate of the signal are ............... and .............. (A) 4000 bauds \ sec & 1000 bps (B) 2000 bauds \ sec & 1000 bps (C) 1000 bauds \ sec & 500 bps (D) 1000 bauds \ sec & 4000 bps

Description : An analog signal carries 4 bits in each signal unit. If 1000 signal units are sent per second, then baud rate and bit rate of the signal are ............... and .............. (A) 4000 bauds \ sec & ... (B) 2000 bauds \ sec & 1000 bps (C) 1000 bauds \ sec & 500 bps (D) 1000 bauds \ sec & 4000 bps

Last Answer : (D) 1000 bauds \ sec & 4000 bps Explanation: Bit rate is the number of bits per second. Baud rate is the number of signal units per second. Baud rate is less than or equal to the bit rate. Baud rate = 1000 bauds per second (baud/s) Bit rate = 1000 x 4 = 4000 bps

An analog signal has a bit rate of 6000 bps and a baud rate of 2000 baud. How many data elements are carried by each signal element ? (A) 0.336 bits/baud (B) 3 bits/baud (C) 120,00,000 bits/baud (D) None of the above

Description : An analog signal has a bit rate of 6000 bps and a baud rate of 2000 baud. How many data elements are carried by each signal element ? (A) 0.336 bits/baud (B) 3 bits/baud (C) 120,00,000 bits/baud (D) None of the above

Last Answer : (B) 3 bits/baud

Suppose a digitized voice channel is made by digitizing 8 kHz bandwidth analog voice signal. It is required to sample the signal at twice the highest frequency (two samples per hertz). What is the bit rate required, if it is assumed that each sample requires 8 bits? (A) 32 kbps (B) 64 kbps (C) 128 kbps (D) 256 kbps

Description : Suppose a digitized voice channel is made by digitizing 8 kHz bandwidth analog voice signal. It is required to sample the signal at twice the highest frequency (two samples per hertz). What is the bit rate required, if it ... sample requires 8 bits? (A) 32 kbps (B) 64 kbps (C) 128 kbps (D) 256 kbps

Last Answer : (C) 128 kbps

The process of dividing an analog signal into a string of discrete outputs, each of constant amplitude, is called: (A) Strobing (B) Amplification (C) Conditioning (D) Quantization

Description : The process of dividing an analog signal into a string of discrete outputs, each of constant amplitude, is called: (A) Strobing (B) Amplification (C) Conditioning (D) Quantization

Last Answer : (D) Quantization

Analog signal

Description : Analog signal

Last Answer : .embed-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; } .embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }

The analog signal given below is sampled by 600 samples per second for m(t) = 3 sin 500 pt + 2 sin 700 pt

Description : The analog signal given below is sampled by 600 samples per second for m(t) = 3 sin 500 pt + 2 sin 700 pt then folding frequency is: (1) 500 Hz (2) 700 Hz (3) 300 Hz (4) 1400 Hz 

Last Answer : The analog signal given below is sampled by 600 samples per second for m(t) = 3 sin 500 pt + 2 sin 700 pt then folding frequency is: 300 Hz

The analog signal m(t) is given below m(t) = 4 cos 100 pt + 8 sin 200 pt + cos 300 pt, the Nyquist sampling

Description : The analog signal m(t) is given below m(t) = 4 cos 100 pt + 8 sin 200 pt + cos 300 pt, the Nyquist sampling rate will be: (1) 1/100 (2) 1/200 (3) 1/300 (4) 1/600 

Last Answer : The analog signal m(t) is given below m(t) = 4 cos 100 pt + 8 sin 200 pt + cos 300 pt, the Nyquist sampling rate will be: 1/300

The standard for long distance analog signal transmission in process control industry is

Description : The standard for long distance analog signal transmission in process control industry is (A) 4-20 mV (B) 0-20 mA (C) 4-20 mA (D) 0-5 V

Last Answer : The standard for long distance analog signal transmission in process control industry is 4-20 mA

The change in value of an analog signal during the conversion process produces what is called the : -

Description : The change in value of an analog signal during the conversion process produces what is called the : -  a) quantization error b) resolution error c) Nyquist error d) sampling error

Last Answer : The change in value of an analog signal during the conversion process produces what is called the : - quantization error.

Data Acquisition system are used to measure and record analog signal in different ways i.e. : -

Description : Data Acquisition system are used to measure and record analog signal in different ways i.e. : -  a) Signals which originates from direct measurement of electrical quantities b) Signals which originate from the ... which oscillates in simple harmonic motion and dies out slowly. d) Both (a) and (b)

Last Answer : Data Acquisition system are used to measure and record analog signal in different ways i.e. : - d) Both (a) and (b) Signals which originates from direct measurement of electrical quantities and Signals which originate from the use of transducer. 

What is the conductivity of molar ?

Description : What is the conductivity of molar ?

Last Answer : The density of a solution as cm. When one mole of electrolytic substance is dissolved in it, the conductivity obtained by multiplying it by the relative conductivity of the solution is called molecular conductivity of the solution .

How do I purchase a product ?

Description : How do I purchase a product ?

Last Answer : From Alibaba you can purchase products by paying MASTER CARD or through bank.

What is Zener Diod ?

Description : What is Zener Diod ?

Last Answer : Zener diode is a special type of diode which, like ordinary diode, not only conducts current in the forward direction , but also in the opposite direction if the voltage exceeds the level of breakdown ... diode is to use the shunt regulator and the voltage reference as the voltage of the circuit.

What is the multiplying factor of shunt ?

Description : What is the multiplying factor of shunt ?

Last Answer : Answer : The ratio of load or matte current to ammeter current is called shunt multiplying power.

What is ammeter shunt ?

Description : What is ammeter shunt ?

Last Answer : A small amount of radial coupling in parallel with the coil to increase the range of ammeter is called ammeter shunt.