T4Tutorials .PK

Chapter 2 LOGIC GATES MCQs

1. . The universal gate is:

(A) And gate


(B) OR gate


(C) NAND


(D) NOT




2. . The inverter gate is:

(A) And gate


(B) NOT


(C) OR


(D) X-OR




3. . The NOR gate is OR gate followed by

(A) NOT


(B) Nand


(C) And


(D) None




4. . The NAND gate is AND gate followed by:

(A) NOT


(B) Nand


(C) And


(D) None




5. . Digital circuit can be made by the repeated use of:

(A) And


(B) Nand


(C) NOT


(D) None




6. . ____truth table entries are necessary for a four-input circuit.

(A) 16


(B) 8


(C) 12


(D) 4




7. . The dependency notation “>=1” inside a block stands for which operation?:

(A) AND


(B) EXOR


(C) NAND


(D) OR




8. . How many NAND circuits are contained in a 7400 NAND IC?

(A) 4


(B) 2


(C) 1


(D) 8




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