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GATE CS - Digital Logic
Practice Boolean algebra, logic gates, combinational and sequential circuits
50 questions•5 pages•~75 min
Use this quiz track to strengthen recall, speed, and exam-style decision making. Attempt one page first, review explanations, and then re-attempt incorrect questions without notes.
A good scoring strategy is to mark uncertain questions, finish known ones quickly, and return with elimination logic. This improves accuracy while keeping momentum under time constraints.
Progress: 0 / 500%
Page 3 of 5 • Questions 21-30 of 50
Q21easy
What is De Morgan's theorem for (AB)'?
Q22medium
What is the sum output of a full adder when A=1, B=1, Cin=1?
Q23easy
How many select lines are needed for an 8:1 multiplexer?
Q24easy
What is the simplified form of A + A'?
Q25easy
What is the maximum count of a 4-bit binary counter?
Q26easy
What is the output of XNOR gate when inputs are (1, 1)?
Q27medium
What is the simplified form of (A + B)(A + B')?
Q28easy
How many outputs does a 3:8 decoder have?
Q29easy
What is the binary representation of decimal 13?
Q30easy