• Digital Circuit Systems

    Shift Registers Viva Questions

    Shift Registers Viva Questions Shift Registers Viva Questions, Viva Questions on Shift Registers, Registers Viva Questions Digital Electronics Viva Questions, Engineering Viva Questions, Shift Registers Viva Questions Flip-Flop Viva Questions Short Questions and Answers   Q.1. What do you mean by serial data? Ans. Multi-bit data is said to be in serial form when the data bits appear sequentially (one after the another in time) at a single terminal. Q.2. What do you mean by parallel data? Ans. Multi-bit data is said to be in parallel form when all the bits are available (accessible) simultaneously. Q.3. What do you mean by serial data transfer? Ans. serial data transfer is the…

  • Digital Circuit Systems

    Flip-Flop Viva Questions

    Flip-Flop Viva Questions Flip-Flop Viva Questions, Viva Questions on Flip-Flop, Short Questions on Flip-Flop, Digital Electronics Viva Questions, Engineering Viva Questions, Combinational Circuit Viva Questions, JK Flip-Flop Viva Questions, SR Flip-Flop Viva Questions, Latch Viva Questions, Master-Slave Flip-Flop Viva Questions, Clocked Flip-Flop Viva Questions Logic Gates Viva Questions Shift Registers Viva Questions Short Questions and Answers Q.1. Distinguish between combinational and sequential switching circuits. Ans. Basically, switching circuits may be combinational switching circuits or sequential switching circuits. Combinational switching circuits are those whose output levels at any instant of time are dependent only on the levels present at the inputs at that time. Any prior input level conditions have no…

  • Digital Circuit Systems

    Programmable Logic Devices Viva Questions

    Programmable Logic Devices Viva Questions Programmable Logic Devices Viva Questions, Viva Questions on Programmable Logic Devices, Digital Electronics Viva Questions, Short Questions answers on Programmable Logic Devices, PLD Viva Questions, ROM Viva Questions, PROM Viva Questions, Read-Only Memory Viva Questions, Programmable Logic Devices Viva Questions, Programmable Logic Devices Viva Questions Logic Gates Viva Questions Short Questions and Answers Q.1. What is a PLD? Ans. A PLD (programmable logic device) is an IC that contains a large number of gates. Flip flops and registers that are interconnected on the chip. Many of the connections, however, are fusible links that can be broken. Q.2. What is the principal advantage of a PLD?…

  • Digital Circuit Systems

    Combinational Circuit Viva Questions

    Combinational Circuit Viva Questions Combinational Circuit Viva Questions, Viva Questions on Combinational Circuit, Multiplexer Viva Questions, Encoder Viva Questions, Digital Electronics Viva Questions, Combinational Logic Circuit Viva Questions, Arithmetic Viva Questions, Hazard Viva Questions, Full Adder Viva Questions, Short Questions on Combinational Circuit, Combinational Circuit Viva Questions Logic Gates Viva Questions Short Questions and Answers Q.1. What are arithmetic circuits? Ans. Arithmetic circuits are the circuits that perform arithmetic operations. Q.2. What is a half-adder? Ans. A half-adder is an arithmetic circuit that adds two binary digits. It has two inputs and two outputs (sum and carry). Q.3. What is a full-adder? Ans. A full-adder is an arithmetic circuit that…

  • Digital Circuit Systems

    K-map Viva Questions

    K-map Viva Questions K-map Viva Questions, Viva Questions on K-map, Viva Questions on Quine-McClusky, Quine-McClusky Viva Questions, Digital Electronics Viva Questions, Engineering Viva Questions, Minimization of Switching Functions, K-map Viva Questions, Short Questions on K-map, Karnaugh map (K-Map) Viva Questions, Karnaugh map Viva Questions Binary Codes Viva Questions Programmable Logic Devices Viva Questions Flip-Flop Viva Questions Short Questions and Answers Q.1. What is a K-map? What are its advantages and disadvantages? Ans. The K-map is a chart or a graph composed of an arrangement of adjacent cells, each representing a particular combination of variables in a sum or product term. Or simply we can say a K-map is a mapping…

  • Digital Circuit Systems

    Boolean Algebra Viva Questions

    Boolean Algebra Viva Questions Boolean Algebra Viva Questions, Short Questions on Boolean Algebra, Viva Questions on Boolean Algebra, Digital Electronics Viva Questions, Engineering Viva Questions Binary Codes Viva Questions Short Questions and Answers Q.1. What is a literal? Ans. A logical variable in complemented or uncomplemented form is known as a literal. Q.2. What is a binary variable? Ans. The binary variable is a variable that can have only two values 0 and 1. Q.3. What is switching theory? Ans. Switching theory is the mathematical theory of logic circuits. Q.4. What is Boolean algebra? Ans. Boolean algebra is a system of mathematical logic that uses the letters of the English…

  • Digital Circuit Systems

    Logic Gates Viva Questions

    Logic Gates Viva Questions Logic Gates Viva Questions, Viva Questions on Logic Gates, Short questions and answer on Logic Gates, Logic Circuit Viva Questions, Engineering Viva Questions, Digital Electronics Viva Questions Combinational Circuit Viva Questions Flip-Flop Viva Questions Short Questions and Answers Q.1. What are logic gates? Ans. Logic gates are the fundamental building blocks of digital systems. They are circuits in which the output depends upon the inputs according to some logic rules. Q.2. What is a logic circuit? Ans. A logic circuit is an electronic circuit that operates on digital signals in accordance with a logic function. Q.3. What is logic design? Ans. The interconnection of gates to…

  • Digital Circuit Systems

    Binary Codes Viva Questions

    Binary Codes Viva Questions Binary Codes Viva Questions, Viva Questions on Binary Codes, Short Questions on Binary Codes, XS-3 Codes Viva Questions, EX-3 Codes Viva Questions, Digital Electronics Viva Questions, Engineering Viva Questions Short Questions and Answers Q.1. How are binary codes classified? Ans. Binary codes are classified as numeric codes and alphanumeric codes. Q.2. What do you mean by alphanumeric codes? Ans. Alphanumeric codes are codes which represent alphanumeric information i.e. the letters of the alphabet and decimal numbers as sequence of 0s and 1s. Q.3. What do you mean by numeric codes? Ans. Numeric codes are codes which represent numeric information, i.e. only numbers as a series of…

  • Digital Circuit Systems

    Number System Viva Questions

    Number System Viva Questions Number System Viva Questions, Short Questions of Number System, Viva Question on Number System, Engineering Viva Questions, Short Questions on Digital Circuit Systems Short Questions and Answers Q.1. What do you mean by a positional-weighted system? Ans. A positional-weighted system is one in which the values attached to the symbols depend on their location with respect to the radix point. Q.2. Name some positional-weighted systems. Ans. Binary, Octal, Decimal, and Hexadecimal are the commonly used positional-weighted number systems. Q.3. What does the base or radix of a number system indicate? Ans. The base or radix of a number system indicates the number of unique symbols used…

  • Digital Circuit Systems

    Digital Electronics Viva Question (Part-2)

    Digital Electronics Viva Question Digital Electronics Viva Question, Digital Circuit Systems Viva Questions, Analog Circuits Viva Questions, Digital Circuits Viva Questions, Engineering Viva Questions, Digital Electronics Viva Question, Viva Question on Digital Electronics Digital Electronics Viva Questions (Part-1) Short Questions and Answers Q.1. What are logic levels? Ans. In a positive logic system, the logic levels are usually +5 V for logic 1 and 0 V for logic 0 and in a negative logic system, they are +5 V for logic 0 and 0 V for logic 1. In practice, 0 V to 0.8 V is treated as logic 0 and 2 V to 5 V is treated as logic…