A binary code is a system of representing text or computer processor instructions using the binary number system, which uses only two symbols: typically 0 and 1. Here's a basic overview of different types of binary codes: 1. **ASCII (American Standard Code for Information Interchange)**: - A character encoding standard that represents text in computers. Each character is represented by a 7-bit binary number.
JEDEC, which stands for the Joint Electron Device Engineering Council, is an organization that sets standards for the semiconductor industry, including memory devices. JEDEC memory standards define the specifications, performance characteristics, and operational protocols for various types of memory, ensuring compatibility and reliability across devices manufactured by different companies.
A "Nat" is a unit of information used in the field of information theory. It is derived from natural logarithms and is sometimes referred to as "nats" in the plural form. The nat measures information content based on the natural logarithm (base \( e \)).
In computing, an **octet** refers to a unit of digital information that consists of eight bits. This term is commonly used in various contexts, especially in networking and telecommunications, to avoid ambiguity that can arise from the use of the term "byte," which may not always indicate eight bits in some systems. Here are some key points about octets: 1. **Bits and Bytes**: An octet is equivalent to one byte (8 bits).
The term "hair's breadth" is an idiomatic expression used to describe a very small measurement or distance. It refers to the width of a human hair, which is typically very fine and small. In a wider context, saying something is a "hair's breadth" away implies that it is very close to a particular limit or threshold, emphasizing the narrow margin or slight difference involved. The phrase is often used in both literal and figurative language to convey precision or closeness.
Jupiter has an average radius of about 69,911 kilometers (43,441 miles). This makes it the largest planet in our solar system, significantly larger than Earth, which has a radius of about 6,371 kilometers (3,959 miles).
An inch is a unit of length in the imperial and United States customary systems of measurement. It is defined as exactly 2.54 centimeters. The inch is commonly used in various contexts, such as measuring the dimensions of physical objects, screen sizes, and in construction. One inch is divided into smaller units called fractions of an inch, with the most common divisions being halves, quarters, eighths, and sixteenths.
The term "step" can refer to different units or concepts depending on the context, but it is often associated with measuring physical activity. In fitness and health contexts, a "step" typically refers to one complete movement of a foot (or both feet) when walking or running. Commonly, pedometers and fitness trackers count the number of steps taken by an individual to monitor physical activity levels.
Traditional point-size names refer to specific point sizes that are commonly used in typography and typesetting to indicate the size of text. These sizes are typically measured in points, where one point is approximately 1/72 of an inch. The use of names for certain standard point sizes helps to create a common language among designers, typographers, and printers.
Pica is a unit of measurement in typography traditionally used to measure type sizes, leading (the space between lines of text), and other elements of a printed layout. One pica is equal to 1/6 of an inch or 12 points. Therefore, there are 6 picas in an inch. In practical usage, picas are often represented in design software and print layouts to help designers specify dimensions related to typography, such as margins, column widths, and line spacing.
The kilogram was redefined in 2019 based on fundamental constants rather than a physical artifact, such as the International Prototype of the Kilogram (a platinum-iridium cylinder). This new definition relies on fixed values of the Planck constant, the speed of light, and other physical constants.
A deben is an ancient Egyptian unit of weight that was commonly used in ancient times. It is often equated to approximately 91 grams, although the exact weight could vary depending on the period and context. The deben was used for measuring precious metals, as well as goods such as grain and other commodities. It is part of a broader system of weights that included other units like the karat and the kite.
Jupiter's mass is approximately \(1.898 \times 10^{27}\) kilograms. This is about 318 times the mass of Earth, making Jupiter the largest planet in our solar system. Its significant mass contributes to its strong gravitational pull, influencing the orbits of other objects in the solar system.
Czech units of measurement refer to the systems used in the Czech Republic for quantifying various attributes, such as length, mass, volume, temperature, etc. The Czech Republic primarily uses the metric system, which includes the following common units: 1. **Length**: - Millimeter (mm) - Centimeter (cm) - Meter (m) - Kilometer (km) 2.
Singapore primarily uses the metric system for its units of measurement, which is consistent with international standards. This means that measurements such as length are expressed in meters, weight in kilograms, and temperature in degrees Celsius. However, there are some traditional and imperial units still in common usage for certain contexts, especially in everyday life. For example, certain food items may be sold by "catty" (a traditional Chinese unit equivalent to about 0.6 kg) or "pound.
A Mithqal is a traditional Islamic unit of weight that is primarily used to measure precious materials, particularly gold and silver. Its weight is often equivalent to approximately 4.25 grams. The Mithqal has historical significance in Islamic culture and commerce, especially in relation to the Zakat (charitable giving), where specific amounts of gold and silver are considered as thresholds for tax obligations. While it is not commonly used in modern commerce, its importance endures in some religious and cultural contexts.
"Wiardunek" does not appear to be a widely recognized term or concept in common knowledge, as of my last training data up to October 2023. It's possible that it could refer to a name, location, or specialized term that is not widely documented.
Brazil uses the metric system as its official system of measurement, which includes units such as: 1. **Length**: - Meter (m) - Centimeter (cm) - Millimeter (mm) - Kilometer (km) 2. **Mass**: - Kilogram (kg) - Gram (g) - Milligram (mg) 3.
Cuba uses the metric system as its official system of measurement. This includes units such as meters for length, kilograms for weight, and liters for volume. The country transitioned to the metric system in the late 19th century, and it has been the standard ever since. While imperial units may still be used informally in some contexts, particularly in areas like construction or when dealing with older technologies, the metric system is predominantly utilized in education, government, and commerce.
Cyprus has adopted the metric system for its units of measurement, which is the standard system used in most countries around the world. This means that measurements such as length, weight, and volume are expressed in meters, grams, liters, and so on.

Pinned article: Introduction to the OurBigBook Project

Welcome to the OurBigBook Project! Our goal is to create the perfect publishing platform for STEM subjects, and get university-level students to write the best free STEM tutorials ever.
Everyone is welcome to create an account and play with the site: ourbigbook.com/go/register. We belive that students themselves can write amazing tutorials, but teachers are welcome too. You can write about anything you want, it doesn't have to be STEM or even educational. Silly test content is very welcome and you won't be penalized in any way. Just keep it legal!
We have two killer features:
  1. topics: topics group articles by different users with the same title, e.g. here is the topic for the "Fundamental Theorem of Calculus" ourbigbook.com/go/topic/fundamental-theorem-of-calculus
    Articles of different users are sorted by upvote within each article page. This feature is a bit like:
    • a Wikipedia where each user can have their own version of each article
    • a Q&A website like Stack Overflow, where multiple people can give their views on a given topic, and the best ones are sorted by upvote. Except you don't need to wait for someone to ask first, and any topic goes, no matter how narrow or broad
    This feature makes it possible for readers to find better explanations of any topic created by other writers. And it allows writers to create an explanation in a place that readers might actually find it.
    Figure 1.
    Screenshot of the "Derivative" topic page
    . View it live at: ourbigbook.com/go/topic/derivative
  2. local editing: you can store all your personal knowledge base content locally in a plaintext markup format that can be edited locally and published either:
    This way you can be sure that even if OurBigBook.com were to go down one day (which we have no plans to do as it is quite cheap to host!), your content will still be perfectly readable as a static site.
    Figure 2.
    You can publish local OurBigBook lightweight markup files to either https://OurBigBook.com or as a static website
    .
    Figure 3.
    Visual Studio Code extension installation
    .
    Figure 4.
    Visual Studio Code extension tree navigation
    .
    Figure 5.
    Web editor
    . You can also edit articles on the Web editor without installing anything locally.
    Video 3.
    Edit locally and publish demo
    . Source. This shows editing OurBigBook Markup and publishing it using the Visual Studio Code extension.
    Video 4.
    OurBigBook Visual Studio Code extension editing and navigation demo
    . Source.
  3. https://raw.githubusercontent.com/ourbigbook/ourbigbook-media/master/feature/x/hilbert-space-arrow.png
  4. Infinitely deep tables of contents:
    Figure 6.
    Dynamic article tree with infinitely deep table of contents
    .
    Descendant pages can also show up as toplevel e.g.: ourbigbook.com/cirosantilli/chordate-subclade
All our software is open source and hosted at: github.com/ourbigbook/ourbigbook
Further documentation can be found at: docs.ourbigbook.com
Feel free to reach our to us for any help or suggestions: docs.ourbigbook.com/#contact