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Question: What is the main advantage of using Alternating Current (AC) for power transmission?Option..
Question: What is the waveform shape of Alternating Current (AC)?Options: Square waveSine waveTriang..
Question: What is the primary role of a rectifier in an AC circuit?Options: To amplify the AC signal..
Question: What is the effect of increasing the frequency of an AC signal on a capacitor in a circuit..
Question: What is the purpose of an operational amplifier (op-amp) in AC circuits?Options: To conver..
Question: What is the typical configuration of a BJT used for switching applications?Options: Common..
Question: How many external interrupts does the 8051 support?Options: 1234Correct Answer: 2Solution:..
Question: Which port on the 8051 microcontroller is used for serial communication?Options: Port 0Por..
Question: What is the main advantage of using a parallel-in parallel-out shift register?Options: Fas..
Question: Which logic gate is commonly used in the design of shift registers?Options: AND gateOR gat..
Question: What happens to the data in a shift register when it is reset?Options: Data is preservedDa..
Question: In a serial-in parallel-out shift register, how is data entered?Options: All at onceOne bi..
Question: What is the output of a shift register after shifting a binary \'1011\' left by 1 position..
Question: What type of shift register allows data to be shifted in both directions?Options: Serial-i..
Question: What is the primary use of a PLD in digital circuits?Options: To store dataTo perform arit..
Question: Which of the following best describes a GAL?Options: A type of FPGAA type of CPLDA program..
Question: What is the purpose of a logic synthesis tool in PLD design?Options: To convert high-level..
Question: What programming language is commonly used to design PLD configurations?Options: C++VHDLPy..
Question: What is the result of converting the binary number 1010 to decimal?Options: 1081214Correct..
Question: Which number system uses base 16?Options: BinaryDecimalOctalHexadecimalCorrect Answer: Hex..
Question: What is the value of the hexadecimal number 2F in decimal?Options: 47314250Correct Answer:..
Question: How many bits are in a byte?Options: 481632Correct Answer: 8Solution: A byte consists of 8..
Question: In a monostable 555 timer, what determines the duration of the output pulse?Options: The s..
Question: What is the typical duty cycle of an astable 555 timer when both resistors are equal?Optio..
Question: Which configuration of the 555 timer is used for pulse width modulation (PWM)?Options: Ast..
Question: What is the effect of increasing the resistance in the timing circuit of an astable 555 ti..
Question: In a 555 timer, what is the purpose of the discharge pin (Pin 7)?Options: To trigger the t..
Question: What is the typical output voltage level of a 555 timer in high state?Options: 0V1.5VVcc0...
Question: Which pins of the 555 timer are used to set the timing interval in astable mode?Options: P..
Question: What is the primary function of a bistable multivibrator?Options: To generate a continuous..