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Reverse bits calculator

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Welcome to the our Reverse Percentages Calculator. Here you will our reverse percentage calculator which will help you to find the original number before a percentage increase or decrease. Our calculators will not only find the original numbers, but also show you all the working out along the way! Find Original Number.

This calculator will help you to find the original numberwhen you have been given the final number and the percentage of the original number that made it. Answer: This calculator will help you to find the original number, when you have been given the final number and the percentage increase or decrease. Simply enter the final number in the first box and the percentage in the 2nd box and whether it was increased or decreased.

Reverse percentages are used when the percentage and the final number is given, and the original number needs to be found. If the percentage is an increase then add it toif it is a decrease then subtract it from Our online percentage practice zone gives you a chance to practice finding percentages of a range of numbers.

Simple input the original number, then the new number and the calculator will tell you the percentage increase or decrease. If you need to convert a percentage to a fraction - either a decimal fraction or a fraction in its simplest form, then use this calculator. You can also use the fraction to percentage calculator for converting any fraction into a percentage. Most of our calculators show you their working out so that you can see exactly what they have done to get the answer.

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Seasonal Christmas Easter Halloween. I want to find the original number when I know the final number and the percentage of the original number that made it. I want to find the original number when I know the final number and the percentage increase or decrease of the original number.

Reverse Percent Calculator 1 Final Number:. Reverse Percentage Calculator 1 - How It Works This calculator will help you to find the original numberwhen you have been given the final number and the percentage of the original number that made it.

Answer: Simply enter the final number in the first box and the percentage in the 2nd box. Click on the 'Find Original Number' box to work out what the original number was! Answers are rounded to 2dp. Reverse Percent Calculator 2 Final Number:. Increase Decrease.In the interview generally, bit reversal is the common question for the interviewer. There are several methods to reverse the bits of an integer.

If you have good knowledge of unary operators then bit reversal is a very simple question for you otherwise, it can be difficult. So it is my personal advice before looking the example code read the unary operators and try this yourself first.

Note: Quiz on bit-wise operators. Before going to example code I am discussing bit-wise operator which are frequently used in below example code. Note: In the c language, printf lacks the ability to print the data in binary format. So here, I am creating a simple program to print the number in binary format.

This is a simple method, we take an integer tmp and putting set bits of the num in tmp until the num becomes zero. When num becomes zero then shift the remaining bits of temp through the count.

Let assume here is a number num short int which contains a value First, we assign the num value to the tmp and get the LSB of num. After that, we iterate a loop until the num becomes zero with putting set bits in tmp. When num becomes zero then left shift tmp 12 times to get the exact reverse number Your free trial is waiting. This method is similar to the first method. It is easy and less optimized as compared to the first method. In this method we take an integer tmp, putting set bits of num in tmp until the for loop runs.

In this method, we will check the set bits of num and run the loop through all the bits of an integer. It is a very simple algorithm to reverse the bits of the bit integer. This algorithm uses the eight constant value for the reversing of the bits and takes five simple steps.

This expression use to swap the bits. Let an example, suppose num isafter the above expression it will be Above expression uses to swap the 2 bits of a nibble. Suppose num is 10 00, after the above expression, it will be 00 Expression use to swaps the nibbles.

Let num isafter the above expression, it will be The above expression uses to swap the half-word of an integer.

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Means that if the num isafter the above result number will be This is the simplest method to reverse the bits of an integer. In which we create a table of the hex value from 0 to In this method, we are performing the AND operation of data with 0xFF to calculate the index of the array.

reverse bits calculator

In this algorithm, we need to calculate the index of the array look-up table four times to getting the appropriate value from the look-up table. After getting the corresponding value we perform the bit shifting operation to get the reverse value. Skip to content. About Amlendra I am an embedded c software engineer and a corporate trainer, currently, I am working as senior software engineer in a largest Software consulting company.

You might also like. C Language. Previous Article 5 ways to check if two integers have opposite signs. Leave a Reply Cancel reply.Not a member? Multiple input numbers even greater than 2 are supported by applying bitwise operations successively on the intermediate results. Thank You for trying our tools. If you liked our tools please give a thumbs up to our Facebook page and share it with your friends.

We have noted the error and will address it soon. Send us a feedback with your email address if you want to be notified. XOR is a digital logic gate that outputs true or 1 only when the two binary bit inputs to it are unequal i. You can remember the above result using one of these logics too:- Returns true when only one of the inputs is 1 Returns false when both the inputs are same. So, it is similar to OR gate but different in the sense that only one input must be 1 for a result of High whereas in OR either of the input can be true for it to return 1.

In a way XOR represents an inequality function,! Checkout the Truth Table below for more information on the results. Well, simply put it you can use it to calculate XOR online.

This is done by first converting the inputs into their Binary equivalents then performing the XOR operation on them. Finally, the results are returned in all of the above numerical bases so that you can pick whichever ones you want. The intermediate results are shown in a tabular format which can help you diagnose any problems you encountered while doing a manual XOR operation.

In this table, your inputs are shown in their original form. If the input base is not binary then each translation of the inputs to binary is also shown in a different column. The same process is applied to each line of the input until all that remains are decimal numbers. These numbers are then converted into binary and bitwise XOR is applied on them.

Paste all the texts you want to XOR in the input box. The converter supports multiple delimiters. But it's best to keep each text value in a new line. Change the Input Base to Ascii. But you might want to give it an easy time and just let it know that the input is plain text in ASCII format.

Write an Efficient C Program to Reverse Bits of a Number

Click on Calculate The calculation result should be in the outputs. No working So how can we solve it? I have added a new parameter to explicitly specify the delimiter. The leading spaces before the last two parameters will now be preserved and you should get the desired output of A2. Check the Calculation table for detailed information on the processing stages. You can also delimit the inputs with comma or semi colon.

A space will not work in this scenario, though. Calculator Round Numbers Percentage Calculator. You must be logged in to perform this action.The IP Subnet Mask Calculator enables subnet network calculations using network class, IP address, subnet masksubnet bits, mask bits, maximum required IP subnets and maximum required hosts per subnet. Results of the subnet calculation provide the hexadecimal IP address, the wildcard mask, for use with ACL Access Control Listssubnet ID, broadcast address, the subnet address range for the resulting subnet network and a subnet bitmap.

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For classful supernetting, please use the IP Supernet Calculator. Note: These online network calculators may be used totally free of charge provided their use is from this url www. The above is generally accepted as being 'normal', however, certification students should keep in mind that, in some certification programs, the final two points are regarded as inacceptible. Resources Sohopen. Notes about the Subnet Calculator.

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Network Class A B C. First Octet Range. IP Address. Hex IP Address. Subnet Mask Wildcard Mask. Mask Bits 24 25 26 27 28 29 Maximum Subnets 1 2 4 8 16 32 Hosts per Subnet 62 30 14 6 2. Host Address Range. Subnet ID. Broadcast Address. Subnet Bitmap.A cryptographic hash is like a signature for a data set.

If you would like to compare two sets of raw data source of the file, text or similar it is always better to hash it and compare SHA values. It is like the fingerprints of the data. Even if only one symbol is changed the algorithm will produce different hash value. SHA algorithm generates an almost-unique, fixed size bit byte hash.

Hash is so called a one way function. This makes it suitable for checking integrity of your data, challenge hash authentication, anti-tamper, digital signatures, blockchain.

So it is no longer recommended to use it for password protection or other similar use cases. Some years ago you would protect your passwords from hackers by storing SHA encrypted password in the your data base. This is no longer a case. SHA algorithm can be still used for making sure you acquired the same data as the original one. For example if you download something you can easily check if data has not changed due to network errors or malware injection.

You can compare hashes of your file and original one which is usually provided in the website you are getting data or the file from. SHA is one of the successor hash functions to SHA-1 ,and is one of the strongest hash functions available. Home SHA hash calculator.

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SHA hash.Within the setup of a DCC controlled locomotive, CV29 seems to cause an inordinate amount of trouble. I think half the blame must go on the makers of throttles which attempt to be "friendly" but fall a bit short and leave their users stuck without a clue what is going on.

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The other half has to be the lack of school time spent on binary maths So, what is CV29? After the address of the decoder, its probably the most important CV, and because its been like this for a while, we're stuck with it controlling multiple things. They can be selected in any combination, and most decoders only use five of the settings.

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Many "my loco doesn't work" problems are traced back to incorrect values in CV29, for example: loco doesn't respond to 4 digit address bit 5erratic running or lights not working often caused by bit 1.

The calculator below shows how it is constructed, and by ticking the boxes associated with the features required, it will calculate the decimal value required for CV Or you can put a value for CV29 eg. It is initially set to "6" as this is the most common default setting for a chip straight from the manufacturer. As with any changing of CV's, it is recommended that you readback the initial value of CV29 before attempting to change things.

reverse bits calculator

I have withdrawn the "Windows Gadget" version of the CV29 calculator as Microsoft are withdrawing support for Gadgets from operating systems. It may re-appear as an App at some point in the future. Firstly a quick explanation of "short" and "long" addresses.

reverse bits calculator

All DCC decoders must support short addresses. Short addresses are stored in CV1, and can take values 1 to Some command stations will accept short addresses all the way toothers declare that "" is a "long" address. So, if you want your locos to run on all command stations, I recommend the short address is between 1 and Long addresses are an optional feature in the DCC specification, so there are a few cheap decoders which don't support long addresses. Long addresses are stored in CV's 17 and Some accept tosome tosome top-out at a convinient number in binarythere are even some which go higher than 10,!

If you want your locos to be able to run on all command stations, I recommend restricting long addresses to between and Most handsets have a mechanism to make the calculation of Long Address CV values more "friendly", but if you have to read or write the raw CV's for long address, they can be hard to interpret.

Remember to set CV29 for long addressing as well! The calculation isn't hard, but its got a twist! First convert the locomotive address to a 16 digit binary number.Two's Complement Converter is used to calculate the 2s complement of a binary or a decimal number. It is a system in which the negative numbers are represented by the twos complement of the absolute value. The method of complements is a technique used in Mathematics to subtract one number from another using only addition of positive numbers.

There are two forms, the 1s complement and 2s complement of a binary number. The 1s complement of a binary number is the value obtained by inverting all the bits in a binary number. That is swapping 0s for 1s and 1s for 0s. The Twos' complement is a system in which the negative numbers are represented by the two's complement of the absolute value. The Two's complement is the way the computers understand and represent integers.

In a two's complement, the most significant bit is 1, so the value represented is negative. The two's complement of a negative number is the corresponding positive value. Find here the two's complement for decimal or binary number using this online 2s Complement of Binary Number Calculator. Twos Complement Converter.

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