Questions tagged [binary]

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90 views

Benefits of this data format

I'm integrating with a bluetooth blood pressure monitor, and I've come across one of the most bizarre data formats I've ever seen. The systolic, diastolic and pulse rate (all ints, should all be ...
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1answer
144 views

How would a computer represent a negative base ten number in bits?

How would a computer represent -6886707 using 24 bits? I need someway to verify this: 100101101110101011001101. First I converted 6886707 to binary, which is 11010010001010100110011. Then I put one ...
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3answers
2k views

What are the bytes between the MSB and LSB named? [closed]

I've searched around and can't find anything on what the middle bytes of a >16-bit integer are called, if anything. Are there standard names for these bytes? E.g. the number 0x0D0C0B0A would have: ...
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3answers
284 views

Can you name this square root algorithm on an unsigned integer through the manipulation of the binary number?

Apparently this algorithm is well known. The algorithm will build the square root answer bit by bit starting from the left-most bit to the last. Let's say we will support squaring up to a 8 bit ...
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2answers
2k views

When trying to find out if a number is even or odd: AND 1 or OR 0

I recently learned of the trick for finding out if a binary number is odd or even. If the last bit in the number is 0, then the number is even. If it ends in a 1, then the number is odd. In the ...
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1answer
115 views

Is it possible to modify a native executable and change (dynamic) library it depends on?

Say I compile a simple application called myproggy that depends on the libfoo dynamic library. Assuming I have another dynamic library libbaz that implements absolutely the same interface (in other ...
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1answer
149 views

What does it mean “you can pick K to be whatever you want” in Excess-N notation?

I prefer providing an example to explain the following paragraph: However, since excess K representation using N bits has two parameters, K and N, you can pick K to be whatever you want. You can ...
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1answer
139 views

binary search vs search with data samples

As long as I remember at least in older versions of Cassandra database, search was implemented in following way - During startup several samples are collected from sorted table and when data is ...
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0answers
295 views

How are HTML files with binary headers interpreted? [closed]

I recently got an inexpensive phone with minimal browser support i.e. no javascript and on a small screen. Wanting to make the most of my device, I decided I would load some ebooks onto my device ...
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4answers
581 views

What web oriented language would work best with binary data? [closed]

I want to create a service where people can upload files. However, since file storage costs money, I want to compress the files so they take less space. I would want to write my own compression ...
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2answers
16k views

Flipping the desired bit of an integer number [duplicate]

Suppose you were given an integer number in decimal notation. This when represented in binary will be a series of 0's and 1's. This sequence varies in length with the magnitude of the number. Now ...
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3answers
301 views

Are hex dump and binary-to-text encoding related or different things?

Binary-to-text encoding is to represent binary data as characters. Hex dump of binary files seem also do the same for reading binary files. Are they related or different things?
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1answer
38 views

Generating New Media Content From Binary Patterns

At the most basic level, a digital media file (document, song, video, etc) is just a rather large pattern of 1's and 0's. We can say that for any given piece of digital media, there corresponds a ...
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2answers
1k views

Is byte stuffing required when using a packet field length

I'm involved in a project which involves implementing a binary protocol that will be transmitted over TCP. During our early discussions we have hit a brief snag on deciding whether byte stuffing is ...
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4answers
342 views

Shortening a boolean AND with third operand

I'm trying to calculate the sum of 2 bits using basic binary arithmetic and currently, I'm doing this: function Add(bool a, bool b, bool carry) { return { Result: a ^ b ^ carry, ...
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1answer
57 views

Using a binary from a project that violates GPL

There is an open source project which uses GPLv2. It had numerous releases that complied with GPL in the past where source code was available for given binaries. The newest source code is about 18 ...
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1answer
405 views

How to run 2-layer perceptron to solve XOR

XOR is not solvable by using a single perceptron with standard scalar product and unit step function. This article suggests using 3 perceptron to make a network: http://toritris.weebly.com/perceptron-...
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3answers
356 views

Does it really need to convert decimal,string, etc to binary?

I'm very new to programming. Just read some articles about algorithm for converting a decimal or string to binary. But,according to what I know, computers hold these data in binary form. So why don't ...
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1answer
629 views

How many ALU additions are needed to add three numbers?

Please give reasons for your answer. As I found, two additions are needed. This is because every number to be add needs to changed to binary. Then addition is done between two binary numbers where ...
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1answer
3k views

How to determine whether two trees (not necessarily binary) are isomorphic

Two ordered trees T' and T'' are said to be isomorphic if one of the following holds: ◦ both T' and T'' consist of a single node ◦ both T' and T'' have the same number k of subtrees, and the ith ...
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0answers
240 views

Persisting and manipulating JS ArrayBuffer data on the server

My node.js app has to deal with (sometimes large; a few MB) tables of numerical data. I'm about to use JavaScript's native binary objects for this purpose (i.e. ArrayBuffer and friends), because they'...
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2answers
323 views

How were assemblers created straight from binary? [duplicate]

How did these earlier programmers know what combinations of binary produced certain results? Is there a way I can create an assembler from binary today?
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2answers
342 views

Can I distribute binaries of my GPLv3 software? [closed]

I have licensed my software under GPLv3 and made it available on Github as an open source repository. Am I allowed(under GPLv3) to distribute binary releases of the application so it is easier to use ...
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1answer
78 views

In internal computer memory Char value ,string and integer how they differentiate time of storing and retrieving

In internal computer memory Char value ,string and integer how they differentiate time of storing and retrieving . Char A =ASCI value 127 Int value 127 Binary is same then how computer ...