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Prológica Indústria E Comércio De Microcomputadores
Prológica Indústria e Comércio de Mircrocomputadores, commonly shortened to Prológica, was an influential Brazilian microcomputer company that reached its peak in the mid-1980s, when it ranked third among national companies in the sector. History Founded in 1976, the company initially commercialized machines for accounting use, namely the ''MCA-100'' and ''Alpha Disk''. The first models had an Intel 8080 processor, and in the early months the company even managed to get a partnership with Olivetti. The company later specialized in producing products similar to the American TRS-80 series of microcomputers, under the general name of ''"CP" (for "Computador Pessoal" in Portuguese language, Portuguese, "Personal Computer" in English language, English).'' One of its biggest successes in the professional field was the ''CP-500'', compatible with the TRS-80 Model III. In 1990, the company was sued by Microsoft for creating ''SO16 ("Sistema Operativo 16")'', an operating system ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
São Paulo
São Paulo (, ; Portuguese for 'Saint Paul') is the most populous city in Brazil, and is the capital of the state of São Paulo, the most populous and wealthiest Brazilian state, located in the country's Southeast Region. Listed by the GaWC as an alpha global city, São Paulo is the most populous city proper in the Americas, the Western Hemisphere and the Southern Hemisphere, as well as the world's 4th largest city proper by population. Additionally, São Paulo is the largest Portuguese-speaking city in the world. It exerts strong international influences in commerce, finance, arts and entertainment. The city's name honors the Apostle, Saint Paul of Tarsus. The city's metropolitan area, the Greater São Paulo, ranks as the most populous in Brazil and the 12th most populous on Earth. The process of conurbation between the metropolitan areas around the Greater São Paulo (Campinas, Santos, Jundiaí, Sorocaba and São José dos Campos) created the São Paulo Macrometr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
NE-Z80
The NE-Z80 was a homebuilt computer kit presented by ''Nova Eletrônica'' magazine on the October 1981 issue, a publication that was part of the Brazilian Prológica group. It was the first Sinclair ZX80 clone available in Brazil. With an introduction price of Cr$59,900, it was the cheapest microcomputer on sale in the country at the time. Specifications Specifications were similar to the original machine: * CPU: Z80A @ 3.25 MHz * Memory: ROM: 4 KiB; RAM: 1 KiB (extendable to 16 KiB) * Keyboard: 40 keys membrane keyboard * Display: 32 × 22 text; 64 × 44 semigraphics * Expansion: 1 slot * Outputs: 1 TV out (RF modulator, channel 2); cassette tape recorder audio in/out * Storage: Cassette tape (300 baud In telecommunication and electronics, baud (; symbol: Bd) is a common unit of measurement of symbol rate, which is one of the components that determine the speed of communication over a data channel. It is the unit for symbol rate or modulatio ...) ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Electronics Companies Of Brazil
The field of electronics is a branch of physics and electrical engineering that deals with the emission, behaviour and effects of electrons using electronic devices. Electronics uses active devices to control electron flow by amplification and rectification, which distinguishes it from classical electrical engineering, which only uses passive effects such as resistance, capacitance and inductance to control electric current flow. Electronics has hugely influenced the development of modern society. The central driving force behind the entire electronics industry is the semiconductor industry sector, which has annual sales of over $481 billion as of 2018. The largest industry sector is e-commerce, which generated over $29 trillion in 2017. History and development Electronics has hugely influenced the development of modern society. The identification of the electron in 1897, along with the subsequent invention of the vacuum tube which could amplify and rectify small elect ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Floppy Disk
A floppy disk or floppy diskette (casually referred to as a floppy, or a diskette) is an obsolescent type of disk storage composed of a thin and flexible disk of a magnetic storage medium in a square or nearly square plastic enclosure lined with a fabric that removes dust particles from the spinning disk. Floppy disks store digital data which can be read and written when the disk is inserted into a floppy disk drive (FDD) connected to or inside a computer or other device. The first floppy disks, invented and made by IBM, had a disk diameter of . Subsequently, the 5¼-inch and then the 3½-inch became a ubiquitous form of data storage and transfer into the first years of the 21st century. 3½-inch floppy disks can still be used with an external USB floppy disk drive. USB drives for 5¼-inch, 8-inch, and other-size floppy disks are rare to non-existent. Some individuals and organizations continue to use older equipment to read or transfer data from floppy disks. Floppy disk ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
CP-450
CP 450 was a large cabinet containing a floppy disk drive interface, exactly like the TRS-80 Color Computer, manufactured by Prológica, a computer company located in Brazil. General information The standard operating system is DOS-400, an adapted and renamed copy of disk Extended Color BASIC Extended Color Basic is an update to the Color BASIC interpreter for the Radio Shack/Tandy TRS-80 Color Computer The RadioShack TRS-80 Color Computer, later marketed as the Tandy Color Computer and sometimes nicknamed the CoCo, is a line of hom ... (DECB or RSDOS). It was also possible to run other operating systems, such as Microware OS-09 and TSC Flex9. Using OS-9 allowed the user to access all 64 KB of RAM available on this particular version of the CP 400. The CP 450 units stopped being manufactured at the end of 1986, along with other accessories suitable for the CP 400. Bibliography * Micro Computador - Curso Básico. Rio de Janeiro: Rio Gráfica, 1984, v. 1, pp. 49–50. * ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Solution 16
Solution 16 was the first Brazilian all-in-one PC, introduced by Prológica in 1986. General information Based on the Intel 8088 was launched in the national market as the first 16-bit 4.77MHz microprocessor integrated computer in the market, it had 254 KB RAM configuration expandable up to 512 KB, and two 5-1/4" floppy disk drives with capacity for up to 320 KiB of storage. SO 16 operating system The Solution 16 came with an operating system named SO16 (portuguese for "''Sistema Operativo 16"'' meaning ''"Operating System 16"''). This was a translated copy of MS-DOS 2.11 MS-DOS ( ; acronym for Microsoft Disk Operating System, also known as Microsoft DOS) is an operating system for x86-based personal computers mostly developed by Microsoft. Collectively, MS-DOS, its rebranding as IBM PC DOS, and a few ope ..., which was the first to support hard disks, directories, and character tables for international languages. Microsoft filed a lawsuit in Brazil, accusing ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
CP/M
CP/M, originally standing for Control Program/Monitor and later Control Program for Microcomputers, is a mass-market operating system created in 1974 for Intel 8080/ 85-based microcomputers by Gary Kildall of Digital Research, Inc. Initially confined to single-tasking on 8-bit processors and no more than 64 kilobytes of memory, later versions of CP/M added multi-user variations and were migrated to 16-bit processors. The combination of CP/M and S-100 bus computers became an early standard in the microcomputer industry. This computer platform was widely used in business through the late 1970s and into the mid-1980s. CP/M increased the market size for both hardware and software by greatly reducing the amount of programming required to install an application on a new manufacturer's computer. An important driver of software innovation was the advent of (comparatively) low-cost microcomputers running CP/M, as independent programmers and hackers bought them and shared their crea ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sistema 700
Sistema 700 was a personal professional microcomputer, introduced by the Brazilian computer company Prológica in 1981. General information The machine was based on the Intertec Superbrain and had similar characteristics: based on the Zilog Z80A 8-bit, 4MHz microprocessor, it had 64 KiB RAM configuration and two 5-1/4" floppy disk drives with capacity for up to 320 KiB of storage. Its operating system was DOS-700, a version adapted by Prologica's software engineering department from the CP/M-80. It achieved relative commercial success in financial, database and engineering applications. Due to the compatibility with the popular CP/M system, various applications like Fortran ANS, BASIC compiler, COBOL ANSI 74 compiler, Algol, Pascal, PL/I, MUMPS/M, RPG, Faturol C could be used. Other applications like word processors ( WordStar), spreadsheets ( CalcStar) and databases ( DataStar and dBase II) were also compatible. Your applications could be programmed in BASIC, Cobol- ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
TRS-80 Color Computer
The RadioShack TRS-80 Color Computer, later marketed as the Tandy Color Computer and sometimes nicknamed the CoCo, is a line of home computers developed and sold by Tandy Corporation. Despite sharing a name with the earlier TRS-80, the Color Computer is a completely different, incompatible system and a radical departure in design and compatibility with its Motorola 6809E processor rather than the Zilog Z80 earlier models were built around. The Tandy Color Computer line started in 1980 with what is now called the Color Computer 1. It was followed by the Color Computer 2 in 1983, then the Color Computer 3 in 1986. All three models maintain a high level of software and hardware compatibility, with few programs written for an older model being unable to run on the newer ones. The Color Computer 3 was discontinued in 1991. All Color Computer models shipped with Color BASIC, an implementation of Microsoft BASIC, in ROM. Variants of the OS-9 multitasking operating system were availab ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Prológica CP-400
In the middle of 1984 a Brazilian company called Prológica Indústria e Comércio de Microcomputadores, Prológica, which made its own versions of 8-bit computing, 8-bit US computers, brought to the Brazilian market a new equipment for its personal computer series called ''"CP"'' (for ''"Computador Pessoal"'' in Portuguese language, Portuguese, ''"Personal Computer"'' in English language, English). The CP 400 was launched in 1984 with a case very different from the original TRS-80 Color Computer and other clones. It was available in two models: I and II. The main differences between the two models were the power supply (built in), keyboard and RAM capacity. This computer was 100% compatible with the original TRS-80 Color Computer#Color Computer 2 (1983–1986), Color Computer 2 and was designed to work with the PAL-M TV standard. References [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
CP-300
CP 300 was a personal microcomputer produced by Prológica, a computer company located in Brazil, and introduced in 1983. General information It was compatible in software and hardware with the American TRS-80 Model III The TRS-80 Micro Computer System (TRS-80, later renamed the Model I to distinguish it from successors) is a desktop microcomputer launched in 1977 and sold by Tandy Corporation through their Radio Shack stores. The name is an abbreviation of ''T ..., and could be considered a domestic and cheaper version of the CP 500, since it was supplied with only one cabinet containing the CPU and a "gum" keyboard. The power supply was external to the cabinet. Data Storage Audio cables were supplied with the computer for connection with a regular tape recorder. Accessories * CP 300 Printer. Bibliography * Micro Computador - Curso Básico. Rio de Janeiro: Rio Gráfica, 1984, v. 1, pp. 49–50. * ABREU, Carlos Alberto C. 77 programas para linha TRS-80. Rio de Janeir ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
CP-200
The CP-200 was a Brazilian home computer produced by Prológica in 1982. It was compatible in software and hardware with the British Sinclair ZX81, although it was a less literal copy than the competing machines (TK82C and TK83), produced by Microdigital Microdigital Eletrônica Ltda. was an influential Brazilian computer company in the 1980s, based in São Paulo. History Established in 1981 by the brothers George and Tomas Kovari (whose initials were the TK of the domestic computers line ma .... There were two models of CP200, very similar cabinets, but model 1 had the Prológica logo in high relief and a slightly smaller cabinet, while model 2 had a logo plate in the same position. Prológica later redesigned the cabinet, added a video monitor output, external power supply, and relaunched the product as CP200S. Bibliography *HURLEY, Linda. Programas para jovens programadores: TK82-83-85 CP200. São Paulo: McGraw-Hill, 1984. References Prológica computers ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
