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Which of the following digital circuits is used to add binary numbers? A. Register B. Logic gates C. Adder D. All of the above Which of the following techniques enables a user to simplify the Boolean expression? A. Logic diagram B. Flip-flop C. Truth table D. Karnaugh-map Which of the following digital circuits is used […]

Which of the following options can be used to express all logical operations? A. K-map B. Truth table C. Boolean expression D. All of the above Which of the following logic gates produces true output while receiving false value for both its inputs? A. XNOR B. NAND C. NOR D. All of the above Which

Which of the following combinations of logic gates is included in the NAND gate? A. NOT and OR B. AND and OR C. NOT and AND D. NOT and XOR Which of the following circuits is used to add two bits? A. Adder B. Half adder C. Full adder D. 4-bit adder Which of the

Which of the following logic gate is also known as inverter? A. AND B. OR C. NAND D. NOT Which of the following components is used to perform the logical operation in the derived logic gates? A. Flip-flop B. Basic logic gate C. Register D. All of the above Which of the following logic gates

Which of the following components is used for temporary storage of data? A. Counter B. Flip-flop C. Register D. Logic gates In which of the following counter, all the flip-flop are clocked at different time? A. Asynchronous counter B. Synchronous counter C. Up-down counter D. None of the above

In which of the following digital circuits , the output of the circuit depends on the present input as well as the previous output of the circuit? A. Electronic circuit B. Combinational circuit C. Sequential circuit D. Flip-flop circuit In which of the following flip-flops, both input signals of the JK flip flop are connected

What is a register? How do registers play an important role in the computer system? How does a register store a value during the execution of an operation? Explain the purpose of a counter circuit used in the digital circuit. 18. What do you understand by the up-down counter? Explain the working of the synchronous

How can two half adder circuits be combined to design a full adder circuit? Explain the working of a 4-bit adder circuit. Explain the basic working of a flip-flop circuit. Explain the various types of flip-flops with the help of a neatly labelled diagram. What do you know about clocked SR flip-flop? What is the

Explain the basic concept of truth table and also describe the truth tables of all the basic logic gates. Differentiate between logic gates and derived gates. Explain the basic steps required to convert a Boolean expression into logic gates. 212 Fundamentals of Computers Explain the working of a half-adder circuit with the help of a

Explain the working of the ripple counter with the help of a neatly labelled diagram. Give Boolean expressions and truth tables for the following logic circuits: