Computer Sciences
Computer vision systems sometimes make inferences about a scene that fly in the face of common sense. For example, if a robot were processing a scene of a dinner table, it might completely ignore a bowl that is visible to ...
Dec 8, 2021
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Business
Chinese authorities have approved the Boeing 737 MAX to resume service after making a series of safety adjustments, removing a major uncertainty surrounding the American aviation giant's comeback after a lengthy slump.
Dec 2, 2021
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Computer Sciences
A group of scientists at the U.S. Department of Energy's Ames Laboratory has developed computational quantum algorithms that are capable of efficient and highly accurate simulations of static and dynamic properties of quantum ...
Nov 10, 2021
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283
Security
Over the past year, there has been a sharp increase in cyberattacks using malware to target the systems of critical infrastructure such as utility companies, government agencies and organizations that provide services and ...
Nov 3, 2021
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30
Security
What would happen if you could no longer use the technological systems that you rely on every day? I'm not talking about your smart phone or laptop computer, but all those systems many of us often take for granted and don't ...
Oct 25, 2021
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21
Security
A top US Treasury official on Tuesday called for a "global effort" to combat cyberattacks and to prevent criminals from holding computer systems for ransom.
Oct 19, 2021
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Software
"Please download an update" pops up on most people's computers regularly, but many worry about doing just that in case their computer doesn't work as well afterwards.
Oct 19, 2021
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Robotics
To navigate their surroundings safely and most effectively, robots should be supported by a highly performing computer vision system. One of the greatest challenges when developing computer vision systems for robots is to ...
Computer Sciences
The simulation of physical systems using computing tools can have numerous valuable applications, both in research and real-world settings. Most existing tools for simulating physical systems are based on physics theory and ...
Automotive
Recent studies have shown that people have negative attitudes about using autonomous systems because they don't trust them. Moreover, research shows a human-centered approach in autonomy is perceived as more trustworthy by ...
Aug 25, 2021
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538
A computer is a machine that manipulates data according to a set of instructions.
Although mechanical examples of computers have existed through much of recorded human history, the first electronic computers were developed in the mid-20th century (1940–1945). These were the size of a large room, consuming as much power as several hundred modern personal computers (PCs). Modern computers based on integrated circuits are millions to billions of times more capable than the early machines, and occupy a fraction of the space. Simple computers are small enough to fit into a wristwatch, and can be powered by a watch battery. Personal computers in their various forms are icons of the Information Age and are what most people think of as "computers". The embedded computers found in many devices from MP3 players to fighter aircraft and from toys to industrial robots are however the most numerous.
The ability to store and execute lists of instructions called programs makes computers extremely versatile, distinguishing them from calculators. The Church–Turing thesis is a mathematical statement of this versatility: any computer with a certain minimum capability is, in principle, capable of performing the same tasks that any other computer can perform. Therefore computers ranging from a mobile phone to a supercomputer are all able to perform the same computational tasks, given enough time and storage capacity.
This text uses material from Wikipedia, licensed under CC BY-SA
