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Project Athena
Project Athena was a joint project of MIT, Digital Equipment Corporation, and IBM to produce a campus-wide distributed computing environment for educational use. It was launched in 1983, and research and development ran until June 30, 1991. , Athena is still in production use at MIT. It works as software (currently a set of Debian packages) that makes a machine a thin client, that will download educational applications from the MIT servers on demand. Project Athena was important in the early history of desktop and distributed computing. It created the X Window System, Kerberos, and Zephyr Notification Service. It influenced the development of thin computing, LDAP, Active Directory, and instant messaging. Description Leaders of the $50 million, five-year project at MIT included Michael Dertouzos, director of the Laboratory for Computer Science; Jerry Wilson, dean of the School of Engineering; and Joel Moses, head of the Electrical Engineering and Computer Science departme ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Project Athena (Intel)
Tiger Lake is Intel's codename for the 11th generation Intel Core mobile processors based on the new Willow Cove Core microarchitecture, manufactured using Intel's third-generation 10 nm process node known as 10SF ("10 nm SuperFin"). Tiger Lake replaces the Ice Lake family of mobile processors, representing an Optimization step in Intel's process–architecture–optimization model. Tiger Lake processors launched on September 2, 2020, are part of the Tiger Lake-U family and include dual-core and quad-core 9 W (7–15 W) TDP and 15 W (12–28 W) TDP models. They power 2020 "Project Athena" laptops. The quad-core 96 EU die measures 13.6 × 10.7 mm (146.1 mm2), which is 19.2% wider than the 11.4 × 10.7 mm (122.5 mm2) quad-core 64 EU Ice Lake die. The 8-core 32 EU die used in Tiger Lake-H is around 190 mm2. According to Yehuda Nissan and his team, the architecture is named after a lake across Puget Sound, Washington from Seattle. Laptops ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Joel Moses
Joel Moses (24 November 1941 – 29 May 2022) was an Israeli-American mathematician, computer scientist, and Institute Professor at the Massachusetts Institute of Technology (MIT). Biography Joel Moses was born in Mandatory Palestine on 24 November 1941 and emigrated to the United States in 1954. He attended Midwood High School in Brooklyn, New York. He received his Bachelor of Science (B.Sc.) degree in mathematics from Columbia University and a Master of Science (M.Sc.) in mathematics, also from Columbia. Under the supervision of Marvin Minsky, Moses received his Doctor of Philosophy (Ph.D.) in mathematics at MIT in 1967 with a thesis entitled '' Symbolic Integration''. This laid the groundwork for the Macsyma symbolic mathematics program that was created at MIT largely under his supervision between 1969 and 1983. Macsyma was able to solve problems such as simplification, polynomial factorization, indefinite integration, solution of differential equations, and other higher- ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Megapixel
In digital imaging, a pixel (abbreviated px), pel, or picture element is the smallest addressable element in a raster image, or the smallest point in an all points addressable display device. In most digital display devices, pixels are the smallest element that can be manipulated through software. Each pixel is a sample of an original image; more samples typically provide more accurate representations of the original. The intensity of each pixel is variable. In color imaging systems, a color is typically represented by three or four component intensities such as red, green, and blue, or cyan, magenta, yellow, and black. In some contexts (such as descriptions of camera sensors), ''pixel'' refers to a single scalar element of a multi-component representation (called a ''photosite'' in the camera sensor context, although ''sensel'' is sometimes used), while in yet other contexts (like MRI) it may refer to a set of component intensities for a spatial position. Etymology T ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Megabyte
The megabyte is a multiple of the unit byte for digital information. Its recommended unit symbol is MB. The unit prefix ''mega'' is a multiplier of (106) in the International System of Units (SI). Therefore, one megabyte is one million bytes of information. This definition has been incorporated into the International System of Quantities. In the computer and information technology fields, other definitions have been used that arose for historical reasons of convenience. A common usage has been to designate one megabyte as (220 B), a quantity that conveniently expresses the binary architecture of digital computer memory. The standards bodies have deprecated this usage of the megabyte in favor of a new set of binary prefixes, in which this quantity is designated by the unit mebibyte (MiB). Definitions The unit megabyte is commonly used for 10002 (one million) bytes or 10242 bytes. The interpretation of using base 1024 originated as technical jargon for the byte multiples t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Instructions Per Second
Instructions per second (IPS) is a measure of a computer's processor speed. For complex instruction set computers (CISCs), different instructions take different amounts of time, so the value measured depends on the instruction mix; even for comparing processors in the same family the IPS measurement can be problematic. Many reported IPS values have represented "peak" execution rates on artificial instruction sequences with few branches and no cache contention, whereas realistic workloads typically lead to significantly lower IPS values. Memory hierarchy also greatly affects processor performance, an issue barely considered in IPS calculations. Because of these problems, synthetic benchmarks such as Dhrystone are now generally used to estimate computer performance in commonly used applications, and raw IPS has fallen into disuse. The term is commonly used in association with a metric prefix (k, M, G, T, P, or E) to form kilo instructions per second (kIPS), million instructi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
3M Computer
3M was a goal first proposed in the early 1980s by Raj Reddy and his colleagues at Carnegie Mellon University (CMU) as a minimum specification for academic/technical workstations: at least a ''megabyte'' of memory, a ''megapixel'' display and a ''Instructions per second, million instructions per second'' (MIPS) processing power. It was also often said that it should cost no more than a "''megapenny''" (). At that time a typical desktop computer such as an early IBM Personal Computer might have 1/8 of a megabyte of memory (128K), 1/4 of a million pixels (640400 monochrome display), and run at 1/3 million instructions per second ( 8088). The concept was inspired by the Xerox Alto which had been designed in the 1970s at the PARC (company), Xerox Palo Alto Research Center. Several Altos were donated to CMU, Stanford, and MIT in 1979. An early 3M computer was the PERQ Workstation made by Three Rivers Computer Corporation. The PERQ had a 1 million Pascal (programming language)#Pascal-P, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lisp (programming Language)
Lisp (historically LISP) is a family of programming languages with a long history and a distinctive, fully parenthesized prefix notation. Originally specified in 1960, Lisp is the second-oldest high-level programming language still in common use, after Fortran. Lisp has changed since its early days, and many dialects have existed over its history. Today, the best-known general-purpose Lisp dialects are Common Lisp, Scheme, Racket and Clojure. Lisp was originally created as a practical mathematical notation for computer programs, influenced by (though not originally derived from) the notation of Alonzo Church's lambda calculus. It quickly became a favored programming language for artificial intelligence (AI) research. As one of the earliest programming languages, Lisp pioneered many ideas in computer science, including tree data structures, automatic storage management, dynamic typing, conditionals, higher-order functions, recursion, the self-hosting compiler, and the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Computer Lab
A computer lab is a space where computer services are provided to a defined community. These are typically public libraries and academic institution Academic institution is an educational institution dedicated to education and research, which grants academic degrees. See also academy and university. Types * Primary schools – (from French ''école primaire'') institutions where children ...s. Generally, users must follow a certain user policy to retain access to the computers. This usually consists of rules such as no computer crime, illegal activity during use or attempts to circumvent any information security, security or content-control software while using the computers. Computer labs are often subject to time limits to allow more people access to use the lab. It is also common for personal login credentials to be required for access. This allows institutions to computer surveillance, track the user's activities for any possible fraudulent use. The computers in comp ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Carnegie Mellon University
Carnegie Mellon University (CMU) is a private research university in Pittsburgh, Pennsylvania. One of its predecessors was established in 1900 by Andrew Carnegie as the Carnegie Technical Schools; it became the Carnegie Institute of Technology in 1912 and began granting four-year degrees in the same year. In 1967, the Carnegie Institute of Technology merged with the Mellon Institute of Industrial Research, founded in 1913 by Andrew Mellon and Richard B. Mellon and formerly a part of the University of Pittsburgh. Carnegie Mellon University has operated as a single institution since the merger. The university consists of seven colleges and independent schools: The College of Engineering, College of Fine Arts, Dietrich College of Humanities and Social Sciences, Mellon College of Science, Tepper School of Business, Heinz College of Information Systems and Public Policy, and the School of Computer Science. The university has its main campus located 5 miles (8 km) from Dow ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Unix
Unix (; trademarked as UNIX) is a family of multitasking, multiuser computer operating systems that derive from the original AT&T Unix, whose development started in 1969 at the Bell Labs research center by Ken Thompson, Dennis Ritchie, and others. Initially intended for use inside the Bell System, AT&T licensed Unix to outside parties in the late 1970s, leading to a variety of both academic and commercial Unix variants from vendors including University of California, Berkeley ( BSD), Microsoft ( Xenix), Sun Microsystems ( SunOS/ Solaris), HP/ HPE ( HP-UX), and IBM ( AIX). In the early 1990s, AT&T sold its rights in Unix to Novell, which then sold the UNIX trademark to The Open Group, an industry consortium founded in 1996. The Open Group allows the use of the mark for certified operating systems that comply with the Single UNIX Specification (SUS). Unix systems are characterized by a modular design that is sometimes called the " Unix philosophy". According to thi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
MIT Corporation
The Massachusetts Institute of Technology (MIT) is a private land-grant research university in Cambridge, Massachusetts. Established in 1861, MIT has played a key role in the development of modern technology and science, and is one of the most prestigious and highly ranked academic institutions in the world. Founded in response to the increasing industrialization of the United States, MIT adopted a European polytechnic university model and stressed laboratory instruction in applied science and engineering. MIT is one of three private land grant universities in the United States, the others being Cornell University and Tuskegee University. The institute has an urban campus that extends more than a mile (1.6 km) alongside the Charles River, and encompasses a number of major off-campus facilities such as the MIT Lincoln Laboratory, the Bates Center, and the Haystack Observatory, as well as affiliated laboratories such as the Broad and Whitehead Institutes. , 98 Nobel ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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