|
Macintosh LC 500 Series
The Macintosh LC 500 series is a series of personal computers that were a part of Apple Computer's Macintosh LC family of Macintosh computers, designed as a successor to the compact Macintosh family of computers for the mid-1990s mainstream education-market. The all-in-one desktop case is similar to the then recently introduced Macintosh Color Classic, but the LC 500 series is considerably bulkier and heavier due to its much larger screen and a bulging midsection to house the larger electronics, including a 14" CRT display, CD-ROM drive, and stereo speakers. The LC 500 series included four main models, the 520, 550, 575, and 580, with the 520 and 550 both using different speeds of the Motorola 68030, and the 575 and 580 sharing the 33 MHz Motorola 68LC040 processor but differing on the rest of the hardware. All of these computers were also sold to the consumer market through department stores under the Macintosh Performa brand, with similar model numbers. The LC models, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Personal Computer
A personal computer, commonly referred to as PC or computer, is a computer designed for individual use. It is typically used for tasks such as Word processor, word processing, web browser, internet browsing, email, multimedia playback, and PC game, gaming. Personal computers are intended to be operated directly by an end user, rather than by a computer expert or technician. Unlike large, costly minicomputers and mainframes, time-sharing by many people at the same time is not used with personal computers. The term home computer has also been used, primarily in the late 1970s and 1980s. The advent of personal computers and the concurrent Digital Revolution have significantly affected the lives of people. Institutional or corporate computer owners in the 1960s had to write their own programs to do any useful work with computers. While personal computer users may develop their applications, usually these systems run commercial software, free-of-charge software ("freeware"), which i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
LC 575
LC or Lc may refer to: Arts and entertainment * Library of Congress Classification, a system of library classification Gaming and play * Lego Chess, a Lego-based chess video game * Lego City, a theme of Lego * Lego Creator, a theme of Lego * ''Lego Creator'' (video game), a Lego video game * Limbus Company, a strategy role-playing video game * Lethal Company, an early access cooperative survival horror video game * Liberty City (Grand Theft Auto), a fictional city in the ''Grand Theft Auto'' computer and video game series Music * ''LC'' (album), 1981 album by The Durutti Column * Lacuna Coil, an Italian gothic metal band * Living Colour, an American hard rock band formed in New York * Los Campesinos!, a British indie-rock band formed in Cardiff In other media * Licensed Companion, from the ''In Death'' novels of J.D. Robb (Nora Roberts) * Shop LC, a 24/7 American shopping television channel Businesses, organisations, and government agencies Government agencies * Irish Land C ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mac OS 9
Mac OS 9 is the ninth and final major release of the classic Mac OS operating system for Macintosh computers, made by Apple Computer. Introduced on October 23, 1999, it was promoted by Apple as "The Best Internet Operating System Ever", highlighting Sherlock 2’s Internet search capabilities, integration with Apple's free online services known as iTools and improved Open Transport networking. While Mac OS 9 lacks protected memory and full pre-emptive multitasking, lasting improvements include the introduction of an automated Software Update engine and support for multiple users. It was succeeded by Mac OS X 10.0 in 2001, the first version of the Mac OS X (now macOS) family of operating systems. Apple discontinued development of Mac OS 9 in late 2001, transitioning all future development to Mac OS X. The final updates to Mac OS 9 addressed compatibility issues with Mac OS X while running in the Classic Environment and compatibility with Carbon applications. At the 2002 W ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Circuit City
Circuit City Corporation, Inc., formerly Circuit City Stores, Inc., is an American consumer electronics retail company, which was founded in 1949 by Samuel Wurtzel as the Wards Company, operated stores across the United States, and pioneered the electronics superstore format in the 1970s. After multiple purchases and a successful run on the NYSE, it changed its name to Circuit City Stores Inc. Ronny Shmoel re-established the brand name in 2016 as part of his acquisition of the brand name and trademark rights sold by Systemax. Systemax formerly operated the CircuitCity.com website from 2009 until 2012, when it was consolidated into the TigerDirect brand, which kept the website open until 2023, when TigerDirect shut down. Retail History As Wards Company (1949–1984) In early 1949, Wurtzel was on vacation in Richmond, Virginia when, while at a local barber shop, he was witness to the start of television in the South. Imagining the opportunities, in late 1949, he moved his famil ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Recovery Partition
The terms Recovery disc (or Disk), Rescue Disk/Disc and Emergency Disk all refer to a capability to boot from an external device, possibly a thumb drive, that includes a self-running operating system: the ability to be a boot disk/Disc that runs independent of an internal hard drive that may be failing, or for some other reason is not the operating system to be run. The focus of recovery or rescue is not to lose the data files on the hard drive; the focus of restore is to restore the operating system's functionality (and subsequently restore the contents of one's latest backups). The rescue/recovery tool uses media containing a backup of the original factory condition or a favored condition of a computer as configured by an OEM ( original equipment manufacturer) or an end-user. OEM supplied media are often restore tools shipped with computers to allow the user to reformat the hard drive and reinstall the operating system and pre-installed software as it was when it was shipped. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Money (magazine)
''Money'' is an American brand and a personal finance website owned by Money Group. From its 1972 founding until 2018, it was a monthly magazine published by Time Inc. and subsequently by Meredith Corporation from 2018 to 2019. Its articles cover the gamut of personal finance topics ranging from credit cards, mortgages, insurance, banking, and investing to family finance issues, including paying for college, credit, career, and home improvement. It also publishes an annual list of "America's Best Places to Live". History The first issue of ''Money'' magazine was published in October 1972 by Time Inc. The magazine, along with '' Fortune'', partnered with sister cable network CNN in CNNMoney.com after the discontinuation of the CNNfn business news channel in 2005. In 2014, after Time Inc.'s spin-off from its parent company Time Warner, which also owned CNN, Money launched its website, Money.com. After Meredith Corporation acquired Time Inc. at the beginning of 2018, ''Money' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
LC 580
LC or Lc may refer to: Arts and entertainment * Library of Congress Classification, a system of library classification Gaming and play * Lego Chess, a Lego-based chess video game * Lego City, a theme of Lego * Lego Creator, a theme of Lego * ''Lego Creator'' (video game), a Lego video game * Limbus Company, a strategy role-playing video game * Lethal Company, an early access cooperative survival horror video game * Liberty City (Grand Theft Auto), a fictional city in the ''Grand Theft Auto'' computer and video game series Music * ''LC'' (album), 1981 album by The Durutti Column * Lacuna Coil, an Italian gothic metal band * Living Colour, an American hard rock band formed in New York * Los Campesinos!, a British indie-rock band formed in Cardiff In other media * Licensed Companion, from the ''In Death'' novels of J.D. Robb (Nora Roberts) * Shop LC, a 24/7 American shopping television channel Businesses, organisations, and government agencies Government agencies * Irish Land Co ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
LC 520
The Macintosh LC 500 series is a series of personal computers that were a part of Apple Computer's Macintosh LC family of Macintosh computers, designed as a successor to the compact Macintosh family of computers for the mid-1990s mainstream education-market. The all-in-one desktop case is similar to the then recently introduced Macintosh Color Classic, but the LC 500 series is considerably bulkier and heavier due to its much larger screen and a bulging midsection to house the larger electronics, including a 14" CRT display, CD-ROM drive, and stereo speakers. The LC 500 series included four main models, the 520, 550, 575, and 580, with the 520 and 550 both using different speeds of the Motorola 68030, and the 575 and 580 sharing the 33 MHz Motorola 68LC040 processor but differing on the rest of the hardware. All of these computers were also sold to the consumer market through department stores under the Macintosh Performa brand, with similar model numbers. The LC models, in ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Apple Computer
Apple Inc. is an American multinational corporation and technology company headquartered in Cupertino, California, in Silicon Valley. It is best known for its consumer electronics, software, and services. Founded in 1976 as Apple Computer Company by Steve Jobs, Steve Wozniak and Ronald Wayne, the company was incorporated by Jobs and Wozniak as Apple Computer, Inc. the following year. It was renamed Apple Inc. in 2007 as the company had expanded its focus from computers to consumer electronics. Apple is the largest technology company by revenue, with billion in the 2024 fiscal year. The company was founded to produce and market Wozniak's Apple I personal computer. Its second computer, the Apple II, became a best seller as one of the first mass-produced microcomputers. Apple introduced the Lisa in 1983 and the Macintosh in 1984, as some of the first computers to use a graphical user interface and a mouse. By 1985, internal company problems led to Jobs leaving to ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Floating Point Unit
A floating-point unit (FPU), numeric processing unit (NPU), colloquially math coprocessor, is a part of a computer system specially designed to carry out operations on floating-point numbers. Typical operations are addition, subtraction, multiplication, division, and square root. Modern designs generally include a fused multiply-add instruction, which was found to be very common in real-world code. Some FPUs can also perform various transcendental functions such as exponential or trigonometric calculations, but the accuracy can be low, so some systems prefer to compute these functions in software. Floating-point operations were originally handled in software in early computers. Over time, manufacturers began to provide standardized floating-point libraries as part of their software collections. Some machines, those dedicated to scientific processing, would include specialized hardware to perform some of these tasks with much greater speed. The introduction of microcode in the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Motorola 68882
The Motorola 68881 and Motorola 68882 are floating-point units (FPUs) used in some computer systems in conjunction with Motorola's 32-bit 68020 or 68030 microprocessors. These coprocessors are external chips, designed before floating point math became standard on CPUs. The Motorola 68881 was introduced in 1984. The 68882 is a higher performance version produced later. Overview The 68020 and 68030 CPUs were designed with the separate 68881 chip in mind. Their instruction sets reserved the "F-line" instructions – that is, all opcodes beginning with the hexadecimal digit "F" could either be forwarded to an external coprocessor or be used as "traps" which would throw an exception, handing control to the computer's operating system. If an FPU is not present in the system, the OS would then either call an FPU emulator to execute the instruction's equivalent using 68020 integer-based software code, return an error to the program, terminate the program, or crash and require a re ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
