# Quantum Computing Explained

#### ByHigh Tech Team

May 1, 2022

What is quantum computing? Quantum computing is the study of computation done with quantum-mechanical phenomena, such as superposition and entanglement. A quantum computer operates on a principle different from classical computers, and therefore the logic by which they process information, particularly the logic to process information on qubits, which are much more fragile than bits in traditional digital computers. Quantum computers rely on quantum superposition, which allows quantum bits (qubits) to hold many states simultaneously, unlike the transistors in today’s silicon chips, which can only be in one state at any given time. Quantum Computing Explained

## What are qubits?

The quantum bit, or qubit, is a property of matter and light that allows it to hold exponentially more information than can be contained in a classical computer. While a regular bit is either 1 or 0, a qubit can be any value between 0 and 1 at any given time. A binary system has eight possible combinations: 0000, 0001, 0010, 0011, 0100, 0101, 0110 and 0111. This limits it to holding two pieces of information—one on each side of an equals sign. By contrast, quantum bits can simultaneously hold both 0 and 1 —the logical values required for computing (or even doing math). Theoretically speaking…MORE

## Why will quantum computing be so much faster than conventional computers?

Classical computers use bits, short for binary digits, that are either 0 or 1. Quantum computing uses quantum bits (qubits), which can represent 0 and 1 at once as well as any combination in between. Each qubit doubles your computational power over classical computers, so a quantum computer with 100 qubits could do more calculations than there are atoms in our universe—all at once. Scientists are still trying to master quantum states of matter, but they’re hopeful they’ll have a fully functional quantum computer by 2029. But even if it takes longer to get there, having even 50 working qubits would be an enormous boon for researchers and manufacturers alike; it would usher in an entirely new era of computing that we haven’t yet seen on Earth.

## Is it safe?

The most common question people ask about quantum computing is whether it’s safe. The good news is that in its current form, it’s safe from any and all attacks. That’s because no one has figured out how to take advantage of a qubit yet. So, for now, we don’t have to worry about anyone sneaking into our servers and stealing our information using quantum computing technology! In addition, though researchers are currently making great strides in their understanding of quantum computing technology and how to create an attack with it, they believe that they won’t be able to break commonly used encryption methods until at least 2026 (and maybe even longer than that).

## How does it work?

Quantum computers make use of superpositioning and entanglement to run their calculations. Both concepts have been validated in labs, so we know they work, but no one knows exactly how to harness them for practical applications. For example, IBM recently announced a 56-qubit quantum computer that can factor 15 into its prime factors of 5 and 3—something even an ordinary computer would struggle with. But it also has its limitations: The thing is an absolute beast and is hugely energy intensive says Chris Bishop, Director of Microsoft’s research lab in Cambridge. So as cool as it sounds I don’t think we’re going to be seeing quantum computing used commercially any time soon. So what can you do with a quantum computer?

## Benefits and limitations of the technology

A typical computer uses a binary system to store information in transistors (the individual switches that are either on or off) and memory storage units. Quantum computers, however, use qubits — quantum bits that can be in multiple states at once (called superposition). The most famous example of a qubit is Schrödinger’s cat, which is both dead and alive until you open its box. There are two main ways to perform operations on qubits: CNOT gates and entanglement. A combination of these two approaches allows quantum computers to perform certain computations much faster than current classical computers — though so far, only for small problems involving a few dozen qubits.

## Challenges for the future

Just because a computer is quantum doesn’t mean it’s going to bring about Skynet. But why is quantum computing even necessary in the first place? That answer gets at what’s most exciting about quantum computers—the prospect of solving problems that are beyond our current capabilities, whether it’s artificial intelligence or researching how new medications could be used to cure cancer. While we don’t yet know how these devices will change our lives in decades to come, now’s as good a time as any to get acquainted with them—and start thinking about how they could impact us for generations.

## Conclusion

Quantum computers have some potential, but there are serious obstacles to overcome before they become useful. In order for quantum computers to live up to their incredible hype, researchers need to make a few more advances in hardware and software. Furthermore, it’s not clear how useful these devices will be in solving real-world problems. It may be that quantum computers excel at some computational tasks, while traditional machines handle others better. In any case, researchers still have a long way to go before they create a general purpose machine capable of replacing your desktop PC. And if you think today’s PCs are fast… well just wait until Moore’s Law comes knocking on your door again!

## Q & A

Quantum computers, in theory, can solve certain problems much faster than conventional computers. They represent a new way of computing by using quantum mechanical effects, such as superposition and entanglement, to perform operations on data. A quantum computer has many potential applications that could solve currently unsolvable problems and unlock others solutions not possible with traditional computers.

### What does quantum computing mean for the nature of reality?

Quantum computing means that anything—not just information—can be encoded as bits. It’s a quantum leap for computers, and it could change every single technology we use today. Normal computers can only do one thing at a time; they’re binary machines. But in quantum computing, these binary states of on and off are replaced by superpositions of states.

### Who to contact to invest with Quantum Computer?

Sure, it’s not 100% guaranteed that an investor will be willing to invest in your idea – but that doesn’t mean you shouldn’t reach out. This post is specifically focused on people who are looking for investors and want to explain what Quantum Computer is, how it works, and why it will make money. The key here is to keep your responses specific. Are you a scientist? Talk about patents and their value (if any). Are you an entrepreneur?

### What is the most secure platform for quantum computing and AI?

Quantum computing is still in its early stages, and we haven’t yet begun to master it. However, that doesn’t mean it’s not already affecting our lives in some profound ways. Quantum computers promise a revolution of tech—and with quantum computing come AI.

### What is quantum computing in simple terms?

This will be a Quantum Computation explanation. The first thing we need to know is what is Quantum Physics? At its core, quantum physics is concerned with understanding how energy (photons) and matter interact with each other on a fundamental level. Put simply, if you look at one particular object in isolation, classical physics states that its properties are fixed. In other words, if you measure an object’s height today it will be exactly six feet tall tomorrow.

### What is quantum computing used for?

quantum computers are being developed for use in quantum computing, cryptography, and other applications. Since quantum computers work with large data sets that can’t be represented by a single classical bit, researchers study how to design algorithms that can run on a quantum computer. Quantum computing has many possible uses, from code breaking to optimizing complex systems.

### What is a quantum computing technology?

A quantum computer is a device that performs computing tasks using qubits rather than classical bits. A classical bit can have values of 0 or 1, whereas a qubit can be in one of these two states, as well as a superposition of both states simultaneously. Thus, quantum computers are extremely useful for processing data and solving problems where large amounts of information are involved.

### Is quantum technology real?

Many of us have heard of quantum computing, but most people don’t know what it is. Quantum computers use quantum-mechanical phenomena to perform calculations on data. These computers are much faster than today’s supercomputers because they use quantum mechanics to represent information. One day, they could solve complex problems that can’t be solved with current computers and might even change computing as we know it.

### How many quantum computers exist in the world?

Quantum computers in use today are currently held by agencies, corporations, and universities. These organizations are involved in research and development of quantum computing. Quantum computing is considered cutting edge technology, which means it’s expensive to build and operate a quantum computer. It is estimated that there are less than 20 functioning quantum computers in operation around the world . As interest grows in quantum computers, expect more agencies to get involved with research to develop these powerful systems.

#### By High Tech Team

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