Canon Cat is a task-dedicated desktop

computer A computer is a machine that can be programmed to carry out sequences of arithmetic or logical operations ( computation) automatically. Modern digital electronic computers can perform generic sets of operations known as programs. These prog ...

released by Canon Inc. in 1987 at the price of U.S. $1,495. On the surface, it was not unlike dedicated

word processor A word processor (WP) is a device or computer program that provides for input, editing, formatting, and output of text, often with some additional features. Early word processors were stand-alone devices dedicated to the function, but current ...

s popular in the late 1970s to early 1980s, but it was far more powerful, and incorporated many unique ideas for data manipulation.

Description

Canon Cat is primarily the creation of

Jef Raskin Jef Raskin (born Jeff Raskin; March 9, 1943 – February 26, 2005) was an American human–computer interface expert best known for conceiving and starting the Macintosh project at Apple in the late 1970s. Early life and education Jef Raskin ...

, the originator of the

Macintosh The Mac (known as Macintosh until 1999) is a family of personal computers designed and marketed by Apple Inc., Apple Inc. Macs are known for their ease of use and minimalist designs, and are popular among students, creative professionals, and ...

project at

Apple An apple is an edible fruit produced by an apple tree (''Malus domestica''). Apple trees are cultivated worldwide and are the most widely grown species in the genus '' Malus''. The tree originated in Central Asia, where its wild ancest ...

. After leaving the company in 1982 and founding Information Appliance, Inc., he began designing a new computer closer to his original vision of an inexpensive, utilitarian "people's computer". Information Appliance developed the Swyft computer prototype, and then developed and licensed it to Canon as the Cat. ''

BYTE The byte is a unit of digital information that most commonly consists of eight bits. Historically, the byte was the number of bits used to encode a single character of text in a computer and for this reason it is the smallest addressable uni ...

'' in 1987 described the Cat as "a spiritual heir to the Macintosh". It features a

text user interface In computing, text-based user interfaces (TUI) (alternately terminal user interfaces, to reflect a dependence upon the properties of computer terminals and not just text), is a retronym describing a type of user interface (UI) common as an ear ...

, not making use of any pointer (

mouse A mouse ( : mice) is a small rodent. Characteristically, mice are known to have a pointed snout, small rounded ears, a body-length scaly tail, and a high breeding rate. The best known mouse species is the common house mouse (''Mus musculus' ...

icon An icon () is a religious work of art, most commonly a painting, in the cultures of the Eastern Orthodox, Oriental Orthodox, and Catholic churches. They are not simply artworks; "an icon is a sacred image used in religious devotion". The mos ...

s, or

graphics Graphics () are visual images or designs on some surface, such as a wall, canvas, screen, paper, or stone, to inform, illustrate, or entertain. In contemporary usage, it includes a pictorial representation of data, as in design and manufacture, ...

. All data are seen as a long "stream" of text broken into several pages. Instead of using a traditional

command line interface A command-line interpreter or command-line processor uses a command-line interface (CLI) to receive commands from a user in the form of lines of text. This provides a means of setting parameters for the environment, invoking executables and pro ...

menu In a restaurant, the menu is a list of food and beverages offered to customers and the prices. A menu may be à la carte – which presents a list of options from which customers choose – or table d'hôte, in which case a pre-established seque ...

system, the Cat makes use of its special

keyboard Keyboard may refer to: Text input * Keyboard, part of a typewriter * Computer keyboard ** Keyboard layout, the software control of computer keyboards and their mapping ** Keyboard technology, computer keyboard hardware and firmware Music * Mu ...

, with commands being activated by holding down a "Use Front" key and pressing another key. The Cat also uses special "Leap keys", which, when held down, allows the user to incrementally search for strings of characters. The machine's hardware consists of a 9-inch (229 mm) black-and-white

monitor Monitor or monitor may refer to: Places * Monitor, Alberta * Monitor, Indiana, town in the United States * Monitor, Kentucky * Monitor, Oregon, unincorporated community in the United States * Monitor, Washington * Monitor, Logan County, West ...

(80 x 24 character display, 672 x 344 resolution), a single 3½-inch 256 KB

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 ...

drive, and an

IBM Selectric The IBM Selectric typewriter was a highly successful line of electric typewriters introduced by IBM on 31 July 1961. Instead of the "basket" of individual typebars that swung up to strike the ribbon and page in a typical typewriter of the peri ...

–compatible

. It uses a

Motorola 68000 The Motorola 68000 (sometimes shortened to Motorola 68k or m68k and usually pronounced "sixty-eight-thousand") is a 16/32-bit complex instruction set computer (CISC) microprocessor, introduced in 1979 by Motorola Semiconductor Products Secto ...

CPU A central processing unit (CPU), also called a central processor, main processor or just processor, is the electronic circuitry that executes instructions comprising a computer program. The CPU performs basic arithmetic, logic, controlling, a ...

(like the Macintosh, Lisa,

Atari ST The Atari ST is a line of personal computers from Atari Corporation and the successor to the Atari 8-bit family. The initial model, the Atari 520ST, had limited release in April–June 1985 and was widely available in July. It was the first per ...

, and

Amiga Amiga is a family of personal computers introduced by Commodore International, Commodore in 1985. The original model is one of a number of mid-1980s computers with 16- or 32-bit processors, 256 KB or more of RAM, mouse-based GUIs, and sign ...

) running at 5 MHz, has 256 KB of

RAM Ram, ram, or RAM may refer to: Animals * A male sheep * Ram cichlid, a freshwater tropical fish People * Ram (given name) * Ram (surname) * Ram (director) (Ramsubramaniam), an Indian Tamil film director * RAM (musician) (born 1974), Dutch * ...

, and an internal 300/1200 bit/s

modem A modulator-demodulator or modem is a computer hardware device that converts data from a digital format into a format suitable for an analog transmission medium such as telephone or radio. A modem transmits data by modulating one or more c ...

. Setup and user preference data are stored in 8 KB of non-volatile (battery backed-up) RAM. The Cat's array of I/O interfaces encompasses one

Centronics Centronics Data Computer Corporation was an American manufacturer of computer printers, now remembered primarily for the parallel interface that bears its name, the Centronics connector. History Foundations Centronics began as a division ...

parallel port In computing, a parallel port is a type of interface found on early computers ( personal and otherwise) for connecting peripherals. The name refers to the way the data is sent; parallel ports send multiple bits of data at once ( parall ...

, one

RS-232C In telecommunications, RS-232 or Recommended Standard 232 is a standard originally introduced in 1960 for serial communication transmission of data. It formally defines signals connecting between a ''DTE'' ('' data terminal equipment'') suc ...

serial port In computing, a serial port is a serial communication interface through which information transfers in or out sequentially one bit at a time. This is in contrast to a parallel port, which communicates multiple bits simultaneously in parallel. ...

(

DB-25 The D-subminiature or D-sub is a common type of electrical connector. They are named for their characteristic D-shaped metal shield. When they were introduced, D-subs were among the smallest connectors used on computer systems. Description, no ...

), and two

RJ11 A registered jack (RJ) is a standardized telecommunication network interface for connecting voice and data equipment to a service provided by a local exchange carrier or long distance carrier. Registration interfaces were first defined in th ...

telephone jacks for the modem loop. The total weight of the system is 17 pounds (7.7 kg). An extensive range of application software is built into 256 KB of ROM: standard

office suite Productivity software (also called personal productivity software or office productivity software) is application software used for producing information (such as documents, presentations, worksheets, databases, charts, graphs, digital painting ...

programs, communications, a 90,000-word spelling dictionary, and user programming

toolchain In software, a toolchain is a set of programming tools that is used to perform a complex software development task or to create a software product, which is typically another computer program or a set of related programs. In general, the tools for ...

s for

Forth Forth or FORTH may refer to: Arts and entertainment * ''forth'' magazine, an Internet magazine * ''Forth'' (album), by The Verve, 2008 * ''Forth'', a 2011 album by Proto-Kaw * Radio Forth, a group of independent local radio stations in Scotla ...

and

assembly language In computer programming, assembly language (or assembler language, or symbolic machine code), often referred to simply as Assembly and commonly abbreviated as ASM or asm, is any low-level programming language with a very strong correspondence b ...

. A text-only machine, the Cat includes graphics routines in ROM as well as connectors for a

or other

pointing device A pointing device is a human interface device that allows a user to input spatial (i.e., continuous and multi-dimensional) data to a computer. CAD systems and graphical user interfaces (GUI) allow the user to control and provide data to ...

that are never used. There is a defunct software project called Archy, initiated by

Raskin Raskin (and the feminine variant Raskina) is a surname of Yiddish origin, a matronymic from "Raske", nickname for Rachel. Notable people with this name include: In arts and entertainment * Allison Raskin (born 1989), American writer and content cre ...

, to develop a similar yet even more capable system for current computing systems. The project was designed to eventually replace current software

user interface In the industrial design field of human–computer interaction, a user interface (UI) is the space where interactions between humans and machines occur. The goal of this interaction is to allow effective operation and control of the machine f ...

References

External links

* *
DigiBarn Systems: Canon Cat

OLD-COMPUTERS.COM Museum: Canon Cat

CanonCat.org

Canon Cat Quick Reference Card
* tp://ftp.apple.asimov.net/pub/apple_II/documentation/misc/jef_raskin/DTCJefRaskinDoc060.pdf Canon Cat Computer User Manual* tp://ftp.apple.asimov.net/pub/apple_II/documentation/misc/jef_raskin/DTCJefRaskinDoc061.pdf Canon Cat Computer Reference Manual* tp://ftp.apple.asimov.net/pub/apple_II/documentation/misc/jef_raskin/DTCJefRaskinDoc062.pdf Canon Cat Computer Repair Manual
Promotional Video for Leap and Canon Cat
(If broken link: video is titled "Leap Technology") * tp://ftp.apple.asimov.net/pub/apple_II/documentation/hardware/misc/SwyftCard_Quick_Reference_Guide.pdf SwyftCard Quick Reference Card(for the earlier SwyftCard, giving the

Apple II The Apple II (stylized as ) is an 8-bit home computer and one of the world's first highly successful mass-produced microcomputer products. It was designed primarily by Steve Wozniak; Jerry Manock developed the design of Apple II's foam-m ...

Description

See also

References

External links