Digital Electronics

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Q. Which flip-flop can be used to create a shift register?
  • A. D Flip-Flop
  • B. T Flip-Flop
  • C. JK Flip-Flop
  • D. SR Flip-Flop
Q. Which flip-flop can be used to divide the frequency of a clock signal by 2?
  • A. D Flip-Flop
  • B. T Flip-Flop
  • C. JK Flip-Flop
  • D. SR Flip-Flop
Q. Which flip-flop is commonly used for frequency division?
  • A. D Flip-Flop
  • B. T Flip-Flop
  • C. JK Flip-Flop
  • D. SR Flip-Flop
Q. Which flip-flop is known for its ability to set and reset based on two inputs?
  • A. D Flip-Flop
  • B. T Flip-Flop
  • C. JK Flip-Flop
  • D. SR Flip-Flop
Q. Which flip-flop is known for its ability to toggle based on a single input?
  • A. D Flip-Flop
  • B. T Flip-Flop
  • C. JK Flip-Flop
  • D. SR Flip-Flop
Q. Which gate can be used to create a parity checker?
  • A. AND
  • B. OR
  • C. XOR
  • D. NOT
Q. Which gate is equivalent to an OR gate followed by a NOT gate?
  • A. AND
  • B. NAND
  • C. NOR
  • D. XOR
Q. Which gate is known as an inverter?
  • A. AND
  • B. OR
  • C. NOT
  • D. XOR
Q. Which gate is the opposite of an AND gate?
  • A. OR
  • B. NAND
  • C. NOR
  • D. XOR
Q. Which gate produces a true output only when both inputs are different?
  • A. AND
  • B. OR
  • C. XOR
  • D. NAND
Q. Which instruction is used to clear a specific bit in the 8051 microcontroller?
  • A. CLR
  • B. CPL
  • C. ANL
  • D. ORL
Q. Which instruction is used to clear a specific bit in the 8051?
  • A. CLR
  • B. CPL
  • C. SETB
  • D. ANL
Q. Which law states that A AND 1 = A?
  • A. Identity Law
  • B. Null Law
  • C. Domination Law
  • D. Idempotent Law
Q. Which logic circuit can be used to implement a full adder?
  • A. AND, OR, NOT
  • B. NAND only
  • C. XOR only
  • D. OR only
Q. Which logic family has the fastest propagation delay?
  • A. TTL
  • B. CMOS
  • C. ECL
  • D. BiCMOS
Q. Which logic family has the highest noise margin?
  • A. TTL
  • B. CMOS
  • C. ECL
  • D. BiCMOS
Q. Which logic family is best suited for battery-operated devices?
  • A. TTL
  • B. CMOS
  • C. ECL
  • D. BiCMOS
Q. Which logic family is best suited for high-speed applications?
  • A. TTL
  • B. CMOS
  • C. ECL
  • D. DIP
Q. Which logic family is known for its high noise immunity?
  • A. TTL
  • B. CMOS
  • C. ECL
  • D. BiCMOS
Q. Which logic family is known for its high-speed operation?
  • A. CMOS
  • B. TTL
  • C. ECL
  • D. BiCMOS
Q. Which logic family is known for its low power consumption?
  • A. CMOS
  • B. TTL
  • C. ECL
  • D. BiCMOS
Q. Which logic family is most susceptible to noise?
  • A. TTL
  • B. CMOS
  • C. ECL
  • D. DIP
Q. Which logic family is typically used in high-speed applications?
  • A. TTL
  • B. CMOS
  • C. ECL
  • D. DIP
Q. Which logic family typically has the highest noise margin?
  • A. TTL
  • B. CMOS
  • C. ECL
  • D. BiCMOS
Q. Which logic function can be implemented using an MSI adder?
  • A. AND
  • B. OR
  • C. Addition
  • D. Subtraction
Q. Which logic function can be implemented using an MSI circuit?
  • A. Only AND functions
  • B. Only OR functions
  • C. Any combinational logic function
  • D. Only sequential logic functions
Q. Which logic gate is commonly used in the design of shift registers?
  • A. AND gate
  • B. OR gate
  • C. NOT gate
  • D. D flip-flop
Q. Which logic gate is commonly used to implement a multiplexer?
  • A. AND gate
  • B. OR gate
  • C. NOT gate
  • D. NAND gate
Q. Which logic gate is equivalent to an inverter followed by an AND gate?
  • A. NAND gate
  • B. NOR gate
  • C. AND gate
  • D. OR gate
Q. Which logic gate is represented by the expression A + B?
  • A. AND
  • B. OR
  • C. NOT
  • D. XOR
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