Sistema 700 was a personal professional

microcomputer A microcomputer is a small, relatively inexpensive computer having a central processing unit (CPU) made out of a microprocessor. The computer also includes memory and input/output (I/O) circuitry together mounted on a printed circuit board (PC ...

, introduced by the Brazilian computer company Prológica in 1981.

General information

The machine was based on the

Intertec Superbrain The Intertec SuperBrain was an all-in-one commercial microcomputer that was first sold by Intertec Data Systems Corporation of Columbia, South Carolina, USA in 1979. The machine ran the operating system CP/M and was somewhat unusual in that it ...

and had similar characteristics: based on the Zilog Z80A

8-bit In computer architecture, 8-bit Integer (computer science), integers or other Data (computing), data units are those that are 8 bits wide (1 octet (computing), octet). Also, 8-bit central processing unit (CPU) and arithmetic logic unit (ALU) arc ...

, 4MHz

microprocessor A microprocessor is a computer processor where the data processing logic and control is included on a single integrated circuit, or a small number of integrated circuits. The microprocessor contains the arithmetic, logic, and control circu ...

, it had 64 KiB RAM configuration and two 5-1/4"

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 w ...

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 BASIC (Beginners' All-purpose Symbolic Instruction Code) is a family of general-purpose, high-level programming languages designed for ease of use. The original version was created by John G. Kemeny and Thomas E. Kurtz at Dartmouth College ...

compiler,

COBOL COBOL (; an acronym for "common business-oriented language") is a compiled English-like computer programming language designed for business use. It is an imperative, procedural and, since 2002, object-oriented language. COBOL is primarily us ...

ANSI 74 compiler, Algol,

Pascal Pascal, Pascal's or PASCAL may refer to: People and fictional characters * Pascal (given name), including a list of people with the name * Pascal (surname), including a list of people and fictional characters with the name ** Blaise Pascal, Fren ...

, PL/I, MUMPS/M,

RPG RPG may refer to: Military * Rocket-propelled grenade, a shoulder-launched anti-tank weapon **''Ruchnoi Protivotankoviy Granatomyot'' (Russian: ''Ручной Противотанковый Гранатомёт''), hand-held anti-tank grenade laun ...

, Faturol C could be used. Other applications like word processors ( WordStar), spreadsheets ( CalcStar) and databases ( DataStar and

dBase II dBase (also stylized dBASE) was one of the first database management systems for microcomputers and the most successful in its day. The dBase system includes the core database engine, a query system, a forms engine, and a programming language ...

) were also compatible. Your applications could be programmed in

, Cobol-80 and Fortran.

Models

*Sistema 700 (1981 - ''

vapourware In the computer industry, vaporware (or vapourware) is a product, typically computer Computer hardware, hardware or software, that is announced to the general public but is late or never actually manufactured nor officially cancelled. Use of t ...

'') Initial model announced in 1981, but never went into production. *Super Sistema 700 (1981) Final version with graphite-colored cabinet and rounded contours.

Data Storage

Data storage was done in

audio cassette The Compact Cassette or Musicassette (MC), also commonly called the tape cassette, cassette tape, audio cassette, or simply tape or cassette, is an analog magnetic tape recording format for audio recording and playback. Invented by Lou Otten ...

. Audio cables were supplied with the computer for connection with a regular tape recorder.

Accessories

P-720 Printer.

Bibliography

* Micro Computador - Curso Básico. Rio de Janeiro: Rio Gráfica, 1984, v. 1, pp. 49–50.

References

Prológica computers Computer-related introductions in 1981 Goods manufactured in Brazil Personal computers {{Compu-hardware-stub