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Question: What is the primary force that holds the protons and neutrons together in the nucleus?Opti..
Question: In a circuit with two inputs A and B, if A = 0 and B = 0, what is the output of an OR gate..
Question: What is the output of an AND gate with inputs 0 and 1?Options: 0123Correct Answer: 0Soluti..
Question: Which logic gate outputs true only when all inputs are false?Options: ANDORNORNANDCorrect ..
Question: If A = 1, B = 1, and C = 0, what is the output of the expression (A OR B) AND C?Options: 0..
Question: What is the output of a NOR gate when both inputs are low?Options: 01UndefinedDepends on t..
Question: Which of the following gates is a universal gate?Options: ANDORNANDXORCorrect Answer: NAND..
Question: What is the truth value of the expression A AND (B OR C) when A = 1, B = 0, and C = 1?Opti..
Question: If A = 0 and B = 1, what is the output of the XOR gate?Options: 012UndefinedCorrect Answer..
Question: Which logic gate is equivalent to an AND gate followed by a NOT gate?Options: ORNANDNORXOR..
Question: What is the output of a NAND gate when both inputs are high?Options: 01UndefinedDepends on..
Question: What is the primary advantage of using digital signals over analog signals in communicatio..
Question: In a communication system, what does \'signal-to-noise ratio\' (SNR) measure?Options: The ..
Question: What is the Nyquist rate in a communication system?Options: The minimum sampling rate to a..
Question: Which modulation technique is most commonly used in television broadcasting?Options: Ampli..
Question: In a digital communication system, what does the term \'bit rate\' refer to?Options: The n..
Question: What is the purpose of a demodulator in a communication system?Options: To encode the sign..
Question: Which of the following is a disadvantage of frequency modulation (FM) compared to amplitud..
Question: In amplitude modulation (AM), what does the carrier wave represent?Options: The informatio..
Question: What is the primary function of a modulator in a communication system?Options: To amplify ..
Question: What is the wavelength of light emitted when an electron transitions from n=3 to n=2 in a ..
Question: What is the maximum number of electrons that can occupy the d subshell?Options: 261014Corr..
Question: Which of the following quantum numbers describes the orientation of an orbital?Options: Pr..
Question: What is the principal quantum number of an electron in the 3p orbital?Options: 1234Correct..
Question: Which of the following statements about isotopes is true?Options: Isotopes have the same n..
Question: What is the maximum number of electrons that can occupy the n=3 energy level?Options: 2818..
Question: Which of the following statements about X-rays is true?Options: They have a longer wavelen..
Question: What is the half-life of a radioactive substance if it takes 10 years for half of the subs..
Question: What is the main difference between alpha and beta radiation?Options: ChargeMassSpeedPenet..
Question: What is the energy of a photon with a frequency of 5 x 10^14 Hz?Options: 3.1 x 10^-19 J2.5..