What is Viva questions in digital electronics?
Top Digital Electronics Interview Questions & Answers
- Define CAM?
- Tell me the two forms of Boolean expressions?
- What do you mean by Maxterm and Minterm?
- What are the characteristics of Digital ICs?
- State the difference between flip- flop and latch?
- What is Digital system?
- Tell me the definition of the Duality theorem?
What is digital electronics lab?
The digital electronics laboratory is a unit of the Electronics and Communication Department, National Institute of Technology, Trichy, Tamil Nadu, India. This laboratory will enable the undergraduate students to learn the basic concepts and techniques in digital electronic circuits and systems.
What voltage levels are commonly found at the outputs of the level switches on the logic trainer for logic 0 and logic 1 levels?
In CMOS technology a logic “1” level operates between 3.0 and 18 volts and a logic “0” level is below 1.5 volts.
What are the topics comes under digital electronics?
Digital Electronics. Digital Electronics.
What is logic gates in digital electronics?
A logic gate is a device that acts as a building block for digital circuits. They perform basic logical functions that are fundamental to digital circuits. Most electronic devices we use today will have some form of logic gates in them.
What is buffer in digital electronics?
A digital buffer (or a voltage buffer) is an electronic circuit element used to isolate an input from an output. The buffer’s output state mirrors the input state. The buffer’s input impedance is high. It draws little current, to avoid disturbing the input circuit.
What is half adder circuit?
A half adder is a type of adder, an electronic circuit that performs the addition of numbers. The half adder is able to add two single binary digits and provide the output plus a carry value. It has two inputs, called A and B, and two outputs S (sum) and C (carry).
How do you implement a full adder?
Implementation of Full Adder using Half Adders 2 Half Adders and a OR gate is required to implement a Full Adder. With this logic circuit, two bits can be added together, taking a carry from the next lower order of magnitude, and sending a carry to the next higher order of magnitude.
How the two voltage levels of a digital circuit are designated?
In most digital circuits, the signal can have two possible valid values; this is called a binary signal or logic signal. They are represented by two voltage bands: one near a reference value (typically termed as ground or zero volts), and the other a value near the supply voltage.
What value is called Low in digital electronics?
0
Generally, a logic “1” represents a higher voltage, such as 5 volts, which is commonly referred to as a HIGH value, while a logic “0” represents a low voltage, such as 0 volts or ground, and is commonly referred to as a LOW value.
Who invented digital electronics?
The English inventor Charles Babbage, however, is generally credited with having conceived the first automatic digital computer. During the 1830s Babbage devised his so-called Analytical Engine, a mechanical device designed to combine basic arithmetic operations with decisions based on its own computations.
What are the number system in digital electronics?
Binary Number Systems The digital electronic equipments are works on the binary number system and hence the decimal number system is converted into binary system. The table is shown below the decimal, binary, octal, and hexadecimal numbers from 0 to 15 and their equivalent binary number.
What are the top frequently asked Digital Electronics interview questions?
A list of top frequently asked Digital Electronics Interview Questions and answers are given below. 1) What is the difference between Latch And Flip-flop? The difference between latches and Flip-flop is that the latches are level triggered and flip-flops are edge triggered.
How to study the arithmetic circuits using multiplexer?
To study the arithmetic circuits half-adder half Subtractor, full adder and full Subtractor using multiplexer. Apparatus Required: – IC 74153, IC 74139, IC 7404, etc. Procedure: – (IC 74153) 1. The Pin [16] is connected to + Vcc. 2. Pin [8] is connected to ground. 3. The inputs are applied either to ‘A’ input or ‘B’ input. 4.
What is a digital system?
Digital systems are the system that processes a discrete or digital signal. 5) What is meant by a bit? Bits are the binary digits like 0 and 1. 6) What is the best Example of Digital system? Digital Computer. 7) How many types of number system are there? There are four types of number system: Decimal Number System. Binary Number System.
When are complex logic circuits there?
Complex logic circuits are there when the number of states increases. 37) What are the applications of Flip-Flops? Flip-flops are used as the delay element. These are used for Data transfer.