What Is Bytecode?

TechDogs Avatar

Bytecode opens up a new world of possibilities for you. Now you can design for any platform, not just one device. Take advantage of bytecode's cross-platform compatibility and performance to create apps that go anywhere and work everywhere! Bytecode is platform-specific code translated from other languages to a machine language readable by a virtual machine. Bytecode takes longer to process than native code, and bytecode programs cannot run on the platform that created it. A VM translates bytecode into readable, platform-specific machine language for the CPU. Bytecode is a new programming language faster and more efficient than Java. It has a smaller memory footprint and offers developers a more familiar programming model. It is the same format used for Java applications and applets. However, in the case of JavaScript, it is used as a source code interpreted by a JavaScript engine. JavaScript is a dynamic programming language, so the compilation is not necessary. There is no bytecode generated for JavaScript. Bytecode is converted to machine language at run time by a JavaScript engine. The JavaScript engine may be part of a browser or run as an add-on on a desktop computer. The VM provider uses a hardware abstraction layer to control CPU communication like other virtual machine software. A higher level of abstraction enables lower CPU usage and lets the VM provider optimize the execution of the programming language's instructions. In addition to portability from one hardware platform to another, a VM can enable software portability between different operating systems, such as Windows and Linux. It is possible because a VM is independent of the hardware and operating system. Android and Flash are well-known programming languages that utilize bytecode for easy interoperability. Bytecode is a form of intermediate language that can use to produce executable programs. In other words, the high-level source code is compiled into bytecode, instructions in the native machine language.

TechDogs Logo

Related Terms by Computing

Cellular Automaton (CA)

Cellular automatons are not entirely cellular, quiet, and wholly atomic. They are the best of all worlds when you take the three fields mentioned above, study and play with them as any good scientist would. A cellular automaton (CA) is a system of many cells linked together using those cells' specific order and states. The goal is to change how each cell is ordered through repeated steps in an algorithm. The rules determine how cells change conditions over time. This happens multiple times until the CA stops changing and has reached an end state. Cellular automatons are many mathematical models studied in physics, computer science, social sciences, and other fields. Many natural phenomena, such as snowflakes, tree growth, and fire, inspire them. Cellular automatons are of interest for many reasons. One of them is that they are a non-linear model of physical phenomena. Given the same initial conditions, their outcomes may differ depending on the ruleset, much like non-linear differential equations. Another reason is that their rule sets are often simple enough to be implemented in a computer, allowing in-silico experimentation. Finally, some cellular automatons are used in modeling social and technological phenomena. If the number of ON neighbors exceeds the number of ones, the cell changes its state to ON; if the numbers are reversed, it changes its state to OFF. These rules are self-executing and do not require any external input. Depending on the number and placement of cells, it is possible to construct a variety of interesting CA with various properties and behaviors. The most common rule for a one-dimensional grid is for updating each site (i.e., each grid cell) independently, based on the values of its current neighbors. Cellular Automaton is exciting and intriguing. They're easy to understand but hard to predict. You'll need to sit down with a cup of coffee and think deeply about how they work to start seeing their beauty. Primarily though, they're fun.

...See More

Cipher Block Chaining (CBC)

Are you prepared to "chain" yourself to the subject of Cipher Block Chaining (CBC)? It's a method of encrypting information that's used to help keep data safe, and despite how dull it may sound, it's pretty fascinating! CBC, or "block chaining," is a method for encrypting data. This method gets its name because it operates by first dividing the data into blocks and then chaining them together. The output of one block is used as the input for the subsequent block, meaning each block must be encrypted using a unique secret key. Because of this, it is significantly more difficult for potential attackers to decode the data since they would need to crack the encryption for each block in the chain. The CBC algorithm needs to be foolproof, as it has weaknesses that can be exploited by malicious actors, such as when they use padding attacks or other similar techniques. But in general, it is a reliable method for encrypting data. It is used extensively in various contexts, including SSL/TLS protocols, virtual private networks (VPNs), and disc encryption. You may be questioning why we must use encryption in the first place. Consider all the sensitive information, like credit card numbers, login credentials, personal messages, and more, that we send and receive over the internet. If someone with bad intentions were to obtain access to such information, they could put it to any number of unethical uses if they so chose. Even if unauthorized parties receive our data, encryption can ensure that it will remain secure and confidential. Cipher Block Chaining may not be the most exciting topic, but it is crucial for everyone who cares about security and privacy. That is all there is to it, folks; I hope you found this information useful. #CBC #Encryption #Cybersecurity #DataPrivacy #SSL #TLS #VPN #DiskEncryption

...See More

Carrier IQ

If your phone company knows more about you than you do, it's probably Carrier IQ. Carrier IQ is a company that provides analytics software to various telecom providers. They've developed programs that offer information about smartphone users to cellphone carriers, like what apps they use, how often they use them, how long they spend on them, and even where the user is using them. The problem with this is that there needs to be a way for an average user to know whether or not her carrier has installed these programs on her phone. Even if she knows that her page uses the Carrier IQ program, she cannot opt out of it or stop it from collecting data about her activities and movements. The fact that this kind of information is being collected without our knowledge or consent raises serious privacy concerns—yet we have no say in whether or not our carriers can do this. Privacy advocates are up in arms over the Carrier IQ scandal, which involves a company collecting performance data on smartphone users. Carrier IQ gathers performance data, tracking and logging what users do on their phones. This can include calls made, texts sent, and emails received. While this is not necessarily an invasion of privacy in terms of content (e.g., Carrier IQ does not have access to the actual content of phone calls), it does present a risk to user privacy because it allows third parties access to information about whom you called or texted, whether you're using your phone to browse the web or send emails, etc. The issue came to light when reports revealed that Carrier IQ had collected information about users' phone activity without their knowledge or consent. It was reported that some phones were even sending data from users' text messages directly to Carrier IQ without permission from the device's owner!

...See More

Trending Definitions

Information Management (IM)

The more information you have, the better your life is. The less information you have, the more you miss out on all the fun stuff. Information management is a process that helps us collect, store, manage and maintain all that excellent stuff in a way that makes it easy to find when needed. It also allows us to share that information with others so they can benefit from it even if they don't live near us, work in the same department, or even on the same floor! Information management is often associated with collecting, maintaining, and sharing data to meet the needs of a company's stakeholders and customers. Stakeholders often include investors, partners, suppliers, and other groups vested in the organization's success. Information management is also closely tied to information governance, a set of policies and procedures that dictate how information is utilized throughout the organization. Information governance usually includes information management, but it also deals with information security, adherence to regulations and standards, and other critical aspects of business continuity. Information governance enables organizations to make smarter business decisions by providing a centralized framework for managing information throughout the organization. Information management is like a big plate of spaghetti. It's all tangled up in there, and it's hard to know where one piece starts and another ends. You can't just pick up one strand of information and say, "this is what I need." It's all connected—and that makes it hard to deal with. But there are ways you can untangle spaghetti. You can start by figuring out what kind of information you have and how much of it; then, you can figure out who needs access to what type of information and how often they'll need to access it. Once you have those answers in hand, you can start getting organized!

...See More

Router Firmware

Router firmware is like the operating system on your computer. It's a lot like the operating system on your laptop, only better. Whereas most computers run an OS that you can update with new versions whenever you want, routers have their firmware embedded in ROM and can't be updated. It makes router firmware more stable than PC software and less flexible. Routers are usually limited to one or two manufacturers since each manufacturer writes its device firmware. The router firmware is the essential software in a router's read-only memory (ROM). The ROM makes up a computer's memory and stores instructions that tell the router how to function. Firmware is also known as firmware or flash. It is a computer program that controls many functions of a device, such as a computer or embedded system. It usually resides on read-only (ROM) or flash memory, although some systems use hardwired logic circuitry instead of ROM. In either case, firmware is often stored in fusible links that can be erased by melting the fuse link and soldering closed the circuit. The word firmware was originally an informal term for software working in embedded systems with limited resources and hardware that could not support large operating systems such as Linux or Microsoft Windows, requiring lower-level applications to function correctly. The term was popularized by IBM in 1961 when it began referring to code that ran on its System/360 mainframe computers. Firmware is the software that makes a device do what it does. It's like a computer's operating system, except it's usually much more limited in scope. It's what runs your printer and ensures that the right things happen when you hit print. The way it works is that vendors release new versions of firmware all the time, with new features and bug fixes. Unlike with a computer operating system, you can't just uninstall the firmware on your printer and install a new version. You have to wait for your vendor to release one!

...See More

Tap (Digital Input Method)

Taps are the new clicks. Do read as this info will have you clicking. If you're a millennial, you need to remember what clicking was like. You've grown up with taps, a quick tap here, a double tap there, and now you think nothing of it. You assume that everyone is as used to tapping their screens as you are. But when it comes to older generations, they're still clinging to their clicks. So clicks are old-fashioned and clunky, and if we're going to progress in this world, we need to move away from them. Clicks are for older people who don't want to learn anything new. They're for people who think computers should be used only for word processing and playing Solitaire (and maybe for watching cat videos). A tap on a display screen may be used to open applications or select menu options or different modes of operation. Operating systems (OSs) and applications are carefully designed to recognize the limitations of the finger or stylus and the limitations of a small display area. For example, if you were using an application that required you to type in numbers, a tap on a number key would automatically select that key and place it in focus on the screen. The user could then type in the number and press Enter to submit it for processing by whatever program was running behind the scenes. So taps? Taps are for people who want more from their devices than just basic functionality. Taps are for people who want a device that can do more than just one thing at once! Taps are for people who want a device that can help them multitask! And that's why we're bringing taps into the future; they'll help us get there faster!

...See More

Trending Articles

Join Our Newsletter

Get weekly news, engaging articles, and career tips-all free!

By subscribing to our newsletter, you're cool with our terms and conditions and agree to our Privacy Policy.

Home

Hot Topic: AI

News

Articles

Branded Insights

  • Dark
  • Light