Digital Circuits

what is half adder

• A half adder is a digital circuit that adds two binary digits, producing a sum and a carry.
• A half adder is used to multiply two binary digits.
• A half adder is a type of memory storage device.
• A half adder is a circuit that only produces a carry without a sum.

What type of digital circuit is a Half Adder?

• Sequential circuit

• Combinational circuit

• Memory circuit

• Arithmetic Logic Unit (ALU)

What type of numbers can a Half Adder add?

• Multi-bit numbers

• Decimal numbers

• Single-bit numbers

• Floating-point numbers

Does a Half Adder take into account the carry from a previous sum?

• Yes, always

• No, never

• Only if the sum is odd

• Only if the sum is even

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What is the sum output of a Half Adder when both inputs (A and B) are 1?

• 0

• 1

• Undefined

• Depends on the previous carry

Which logic gates are used to implement a Half Adder?

• OR gate and NOT gate

• XOR gate and AND gate

• NAND gate and NOR gate

• XNOR gate and OR gate