A function f(x) is even, when?(a) f(x) = -f(x)(b) f(x) = f(-x)(c) f(x) = -f(x)f(-x)(d) f(x) = f(x)f(-x)This question was addressed to me during an interview.Enquiry is from Channel in portion Elements of Communication System of Analog Communications

A function f(x) is even, when?(a) f(x) = -f(x)(b) f(x) = f(-x)(c) f(x)

1.	A function f(x) is even, when?(a) f(x) = -f(x)(b) f(x) = f(-x)(c) f(x) = -f(x)f(-x)(d) f(x) = f(x)f(-x)This question was addressed to me during an interview.Enquiry is from Channel in portion Elements of Communication System of Analog Communications
Answer» The correct answer is (b) f(X) = f(-x) For explanation I WOULD say: Geometrically a function f(x) is EVEN, if plot of the function is symmetric over y-axis. ALGEBRAICALLY, for any function f(x) to be even, f(x) = f(-x). While for a function f(x) to be ODD, f(x) = -f(-x).

Discussion

No Comment Found

Related InterviewSolutions

FM stands for ________(a) Frequency Modulation(b) Frequency Modulator(c) Frequent Frequent Multiplier(d) Frequency MixerI had been asked this question during an online interview.The above asked question is from Source of Information topic in division Elements of Communication System of Analog Communications
What do you understand by the term analog communication?(a) A method in which one of the properties of a carrier signal varies in proportion to an instantaneous value of modulation signal(b) A way for data and computer communication(c) A numerical coded communication(d) A suitable method for long distance communicationThis question was addressed to me during an online exam.Asked question is from Source of Information topic in chapter Elements of Communication System of Analog Communications
Why a sinusoidal signal is considered analog?(a) It moves in both positive and negative direction(b) It is positive for one half cycle(c) It is negative for one half cycle(d) It has an infinite number of amplitudes in the range of values of the independent variableThis question was addressed to me in an online interview.My question is based upon Source of Information topic in section Elements of Communication System of Analog Communications
The minimum height of antenna required for transmission in terms of ʎ is ________(a) ^3ʎ⁄2(b) ^ʎ⁄4(c) 2ʎ(d) ʎThis question was addressed to me in an interview for internship.I need to ask this question from Source of Information in chapter Elements of Communication System of Analog Communications
What is Demodulation?(a) Process of varying one or more properties of a periodic waveform(b) Recovering information from a modulated signal(c) Process of mixing a signal with a sinusoid to produce a new signal(d) Involvement of noiseI had been asked this question during an interview for a job.The origin of the question is Source of Information in portion Elements of Communication System of Analog Communications
Data transmitted for a given amount of time is called ________(a) Noise(b) Power(c) Frequency(d) BandwidthThis question was addressed to me by my school principal while I was bunking the class.I need to ask this question from Source of Information topic in portion Elements of Communication System of Analog Communications
If Output can be represented as linear combination of input then ________(a) The system is linear(b) The system is causal(c) The system is non causal(d) The system is time invariantI had been asked this question in class test.My question is from Source of Information in portion Elements of Communication System of Analog Communications
Medium which sends information from source to receiver is called ________(a) Transmitter(b) Transducer(c) Loudspeaker(d) ChannelI had been asked this question in an international level competition.This question is from Source of Information topic in portion Elements of Communication System of Analog Communications
Amplitude Modulation suffers from ________(a) Side-band Suppression(b) IntraPulse Modulation(c) Cross Modulation(d) Carrier SuppressionI have been asked this question in a job interview.Query is from Source of Information topic in chapter Elements of Communication System of Analog Communications
Telephones send information through wires in form of ________(a) radio signals(b) electrical signal(c) electromagnetic waves(d) microwavesThis question was addressed to me in an international level competition.My doubt is from Source of Information in division Elements of Communication System of Analog Communications

A function f(x) is even, when?(a) f(x) = -f(x)(b) f(x) = f(-x)(c) f(x) = -f(x)f(-x)(d) f(x) = f(x)f(-x)This question was addressed to me during an interview.Enquiry is from Channel in portion Elements of Communication System of Analog Communications

Discussion

No Comment Found

Related InterviewSolutions

Reply to Comment