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Digital Logic Design Practice Test 84

# Adder and Subtractors Test Questions PDF - 84

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## Logic Design: Adder & Subtractors MCQs Quiz

A) 1bit
B) 2bits
C) 3bits
D) 4bits

MCQ: An identity element w.r.t addition

A) x-1
B) x+1
C) x-0
D) x+0

MCQ: IC number of Binary Coded Decimal (BCD) to 7 segments is

A) 7442
B) 7441
C) 7447
D) 7446

MCQ: Why XOR gate is called an inverter?

A) Because of the same input
B) Because of the same output
C) It behaves like a NOT gate
D) It behaves like a AND gate

A) 2 bits
B) 3 bits
C) 4 bits
D) 5 bits