# Number Systems And Digital Circuits Questions Pdf

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*Definition : In digital electronics, the number system is used for representing the information.*

Digital electronics is a field of electronics involving the study of digital signals and the engineering of devices that use or produce them. This is in contrast to analog electronics and analog signals. Digital electronic circuits are usually made from large assemblies of logic gates , often packaged in integrated circuits. Complex devices may have simple electronic representations of Boolean logic functions.

## Digital Electronics MCQs

Solved examples with detailed answer description, explanation are given and it would be easy to understand. Here you can find objective type Digital Electronics Number Systems and Codes questions and answers for interview and entrance examination. Multiple choice and true or false type questions are also provided. You can easily solve all kind of Digital Electronics questions based on Number Systems and Codes by practicing the objective type exercises given below, also get shortcut methods to solve Digital Electronics Number Systems and Codes problems. All Rights Reserved. Contact us: info. Current Affairs General Knowledge.

Explanation: Hexadecimal is a number system with a base It is the easiest way to write and count numbers represented in terms of base There are sixteen distinct digits in the hexadecimal system, it starts from 0, 1,2,3,4,5,6,7,8,9, A, B, C, D, E and end to F. It is usually represented by 4 bits in binary number system by code. Explanation: A "digital-to-analog converter" or DAC refers to an electronic device that converts the digital signals discrete-time signal to an analog signal Continuous-time signal.

Instrumentation Tools assists you with a complete guide of objective questions which mainly targets the aspirants of Electrical, Electronics and Instrumentation engineering Streams to crack the competitive exams and to prepare for the top MNC companies written tests. In case you have attended any competitive exams or interviews recently or have additional questions beyond what we covered, we encourage you to post them in our Instrumentation Forum to discuss about it further. This quiz section consists of total 10 questions. Each question carries 1 point. No negative points for wrong answers.

## 1. Questions & Answers on Number System and Codes

Laws and theorems of Boolean logic are used to manipulate the Boolean expressions and logic gates are used to implement these Boolean expressions in digital electronics. Logic gates have one or two inputs that can be turned on or off, the output from the gate will vary depending on the type of logic gate. You need to find their lowest common ancestor. Hence you can not start it again. Hence, the Logic gates are the building blocks of any digital system. Base Inductor c.

The given hexadecimal number 1E. Then, the binary equivalent bits are grouped in terms of 3 bits and then for each of the 3-bits, the respective digit is written. Thus, the octal equivalent is obtained. The octal number A3 16 d 1B0.

Digital Circuits Questions and Answers – Number System – 2 · 1. The given hexadecimal number (1E. · 2. The octal number ()8 is equivalent to ______ · 3.

## Digital Electronics MCQs

Before you go through this article, make sure that you have gone through the previous article on Basics of Number System. Read More- Conversion to Base Watch this Video Lecture. Get more notes and other study material of Number System. A given number can be converted from base 10 to any other base using division method and multiplication method.

*In which of the following base systems is not a valid number? Storage of 1 KB means the following number of bytes a b c d Ans:c. What is the octal equivalent of the binary number: a b c d *

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In a digital system, the system can understand only the optional number system. In these systems, digits symbols are used to represent different values, depending on the index from which it settled in the number system. In simple terms, for representing the information, we use the number system in the digital system. In the digital computer, there are various types of number systems used for representing information. Generally, a binary number system is used in the digital computers. In this number system, it carries only two digits, either 0 or 1.

So, we will get various number systems, by choosing the values of radix as greater than or equal to two. In this chapter, let us discuss about the popular number systems and how to represent a number in the respective number system. The following number systems are the most commonly used.

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