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JEE Main 2026 Preparation: Question Papers, Solutions, Mock Tests & Strategy Unacademy » JEE Study Material » Mathematics » Decimal to Binary

Decimal to Binary

We convert a base 10 value to a base 2 number utilising simple methods in decimal to binary conversion.

Table of Content
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Various methods are used to convert decimal to binary. Divide the provided decimal number recursively by 2 is one way for converting decimal to binary. The remainders are then recorded until the final quotient is zero. These reminders are then rewritten in reverse order to obtain the binary value of the provided decimal number. A number system is a method of representing numbers mathematically with a set of digits or symbols. The decimal number system, binary number system, octal number system, and hexadecimal number system are examples of distinct number systems. These are identified using the base that they possess. Using some stated principles, numbers can be simply translated from one base to another.

What is the base of binary?

The base of a decimal number is ten, while the base of a binary number is two. The base of the number changes when converting from decimal to binary, i.e. from base 10 to base 2. The binary equivalents of all decimal integers can be found. These binary integers are mostly utilised in computer applications for programming and coding purposes. This is due to the fact that computers recognise the binary numbers o and 1. As a result, once we give the computer system decimal input, it converts it to binary digits, executes the appropriate processes, and then returns the output in decimal form. Now you’ll see how a decimal number can be expressed in binary form. But, before we go into the conversion stages, let’s look at the table to determine what the binary equivalent of a decimal number is. Because the binary numbers system keeps two digits, 0 and 1, and computers only understand the Binary Number System’s language, binary numbers are the most widely used by computers for coding and programming. The base ten or binary numeral system is another name for the decimal number system. The only two positional decimal systems in ancient civilisation were the Chinese counting rod system and the Hindu-Arabic numeral system. To manifest huge files, most computer storage devices, such as Compact disc DVDs, use a Binary Number System. A bit is a collection of eight binary digits. To emphasise the dot used to distinguish the position of the number in the Decimal Number System, the word ‘period’ is often used instead of ‘decimal.’

Decimal to binary conversion examples

We can convert a decimal to binary utilising a variety of approaches, including formulas, division, and so on. The division method will be used to convert decimal values to binary in this section. Follow the steps below to convert decimal values to binary numbers:

  1. Multiply the supplied decimal number by “2” to get the result, which includes the remainder.
  2. If the decimal number is even, the result will be whole, and the remainder “0” will be returned.
  3. If the specified decimal number is odd, the result is improperly divided and the remainder “1” is returned.
  4. The required binary number is obtained by placing all the remainders in order, with the Least Significant Bit (LSB) at the top and the Most Significant Bit (MSB) at the bottom.

Examples of Decimal and binary digits

Converting numbers from decimal to binary can be done in a variety of ways. The base of a number changes from 10 to 2 when it is converted from decimal to binary. It should be noted that all decimal numbers have binary counterparts. The decimal number system employs ten symbols to represent numbers with a base of ten: 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9. It’s also known as the Hindu-Arabic number system, in which each digit has a location and is ten times more important than the one before it. A decimal point is also used to denote decimal fractions. For example, in the decimal number 36, 3 is 10 times more than 6. 4510, 11810, and so on are examples of decimal numbers. It is the most widely used number system, with numbers that can be easily identified even if the base is not printed. In other words, if a number’s base is not written, it is regarded as a decimal number.

Cyclic quadrilateral sides properties

The features of a cyclic quadrilateral assist us in quickly identifying this figure and in solving issues that are based on this image. Following are a few of the characteristics of a cyclic quadrilateral that should be noted: 

  • In a cyclic quadrilateral, all four of the quadrilateral’s vertices are located on the circle’s circumference. 
  • The four chords of the circle are represented by the four sides of the inscribed quadrilateral. 
  • The measure of an exterior angle at a vertex is the same as the measure of the opposing interior angle at the same vertex. 
  • The perpendicular bisectors are always parallel to one another. 
  • A cyclic quadrilateral is formed when the perpendicular bisectors of its four sides come together at its centre, denoted by O.

Conclusion

After reading this, you will be able to tell whether a given number is binary or decimal, know the definitions of both, and understand how they can be interconverted, the formula required, and the significance of this conversion. The conversion of decimal to binary is employed in a variety of situations. They are first and foremost used in tests to report answers in the questioned format. It is also utilised in higher standards. When solving complex mathematical problems, these conversions are used. Conversions like this can make such calculations simple and straightforward. These conversions and the mathematics that go along with them are also employed in astrophysics. Binary calculations are used in spaced technology calculations.

faq

Frequently asked questions

Get answers to the most common queries related to the IIT JEE Examination Preparation.

Find the conjugate of the complex number 7z-2yi where y=3+4i and z=7-6i

Ans : Solution:-  ...Read full

How do I find the conjugate of a complex number?

Ans : The conjugate of a particular complex number can be fou...Read full

What is meant by complex conjugate pair?

Ans :Two complex numbers which are conjugates of each other are known as complex conjugate pairs....Read full

What is the conjugate of a complex number that is entirely real?

Ans: The conjugate of such a complex number will alway...Read full

What is the conjugate of a complex number that is entirely imaginary?

Ans: To find the conjugate of such a complex number, w...Read full

Ans :

Solution:-

 

Let d=7z-2yi

d=7(7-6i)-2(3+4i)i

d=49-42i-6i-8i2

d=49-48i+8

So d=57-48i

 

 

Ans : The conjugate of a particular complex number can be found by changing the sign of the imaginary part of the complex number.

 

If z=3+4i

z=3-4i

Ans :Two complex numbers which are conjugates of each other are known as complex conjugate pairs.

Ans:

The conjugate of such a complex number will always be that number itself.

For example:-

z=3

z=3

Since there is no imaginary part, we cannot change the sign of the imaginary part.

Ans:

To find the conjugate of such a complex number, we will have to change the sign of the imaginary part.

 

For example:-

z=-7i

z=7i

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