All one needed was a keyboard and an inexpensive television set.

The second incarnation was a much smaller unit the width of two 5¼ " floppy drives stacked on top of each other, and the third incarnation looked like a flattened Apple with a built-in keyboard.

The display logic and resulting display ' snow ' was irritating, as was the missing lower case support, the CPU speed could be improved, the quality and layout of the keyboard was bothersome, and the floppy disk capacity and reliability was low.

And was intended for hobbyists, to be sold as a kit consisting of the parts and the PCB's for the computer and attached keyboard.

Because the original designer had left the company another employee completely redesigned most of the system, ( adding a display snow remover circuit, true 80 / 64 column text mode support, ( with different size letters for TRS-80 and CP / M mode, so that in TRS-80 mode the full screen was also used, not just a 64x16 portion of the 80x25 screen ) with an improved font set ( adding " gray scale " version of the TRS-80 mozaik graphics and many special PETSCII like characters ), and a more flexible and reliable floppy disk controller and keyboard interface plus many other small improvements ), also an enclosure was developed for the main computer system, ( in the form of a 19-inch rack for the Eurocards ) and for two floppy disk drives and the power supply.

One of the most obvious differences was the 5200's lack of a keyboard.

However, as this was essentially just a 65XE computer with a detachable keyboard, it was able to run most of the home computer titles directly.

Additionally, the keyboard and high score cartridge were canceled, the expansion port was removed from later production runs of the system and, in lieu of new titles, the system was launched with titles intended for the 7800's debut in 1984.

The keyboard riff was used again in 2006, in the September song " Cry for You " along with a version by Trance artist ESS-K.

Baudot's original code was adapted to be sent from a manual keyboard, and no teleprinter equipment was ever constructed that used it in its original form.

The code was entered on a keyboard which had just five piano type keys, operated with two fingers of the left hand and three fingers of the right hand.

Once the keys had been pressed they were locked down until mechanical contacts in a distributor unit passed over the sector connected to that particular keyboard, when the keyboard was unlocked ready for the next character to be entered, with an audible click ( known as the " cadence signal ") to warn the operator.

An early experimental Chinese keyboard with many keys was developed by researchers of National Chiao Tung University in Taiwan, but it never came to the mainstream.

Modern computer technology was developed mostly in the English-speaking countries, so data formats, keyboard layouts, etc.

However, during the 3-plus decades of PC architecture being constantly updated, multiple types of keyboard layout variations have been developed.

A 15 / 16 size ( 152 mm octave span ) and the 7 / 8 DS Standard ( 140 mm octave span ) keyboard developed by Christopher Donison in the 1970s and developed and marketed by Steinbuhler & Company.

For example, it included a windowing, keyboard and mouse API, in part because it was developed before the X Window System and Sun's NeWS systems were developed.

The compass of keyboard instruments was widened and new tuning systems were developed.

The Mellotron is an electro-mechanical, polyphonic tape replay keyboard originally developed and built in Birmingham, England, in the early 1960s.

These forms gradually developed into the trio sonata of the Baroque – two treble instruments and a bass instrument, often with a keyboard or other chording instrument ( harpsichord, organ, harp or lute, for example ) filling in the harmony.

They were developed because some of these games require a keyboard to play, and some players find this to be awkward for such a task.

Sweelinck in particular developed a rich collection of keyboard figuration that influenced subsequent composers.

Chase the Buffalo, undoubtedly the most lyrically rich album of the High Street years, established Pettis firmly as a " songwriter's songwriter " and further developed the solid folk atmosphere of the previous album, adding more prominent bass and percussion instruments and starting to move away from keyboard sounds.

But Hensley too developed into a sophisticated instrumentalist and stage persona, whose writing and keyboard flair ignited the rest of the band.

Some have mistakenly stated that many visual ideas, such as the quick editing, the close-ups of machinery, the store window displays, even the shots of a typewriter keyboard are borrowed from Walter Ruttmann's Berlin: Symphony of a Great City ( 1927 ), which predates Man with a Movie Camera by two years, but as Vertov wrote to the German press in 1929, these techniques and images had been developed and employed by him in his Kino-Pravda newsreels and documentaries for the last ten years, all of which predate Berlin.

McKernan developed a close friendship with Constanten based on their mutual aversion to psychedelics and eventually served as his best man when Constanten wed. After Constanten's departure in January 1970 over musical and lifestyle differences, McKernan resumed keyboard duties.

In 1987, the Macintosh II was developed and launched, which was designed as a more conventional three-box design-CPU, monitor and keyboard all separate.

In April 2011, T-Mobile revived the Sidekick brand for a new HSPA +- compatible Android smartphone developed by Samsung, known as the Sidekick 4G, based on the Galaxy S. While not utilizing the Hiptop's operating system, it incorporates features from the original series, including the keyboard, 3. 2 megapixel camera ( minus LED flash ), and the four-button layout, and adds a new Android-powered interface incorporating elements from the Hiptop's operating system.

The LK201 keyboard supplied with the VT220 was one of the first full length low profile keyboards available ; it was developed at DEC's Roxbury, Massachusetts facility.

As technology got developed more sophisticated and standard keyboard got developed with 12-tone keyboard.

However, to make a working computer, users still had to add a case, power supply transformers, power switch, ASCII keyboard, and composite video display.

In the meantime IBM had released its original IBM PC, which incidentally looked remarkably like the Asters base with floppy drives + separate keyboard set-up.

The only proposed modern standard, GKOS ( or Global Keyboard Open Standard ) can support most characters and functions found on a computer keyboard but has had little commercial development.

Baudot's hardware had three main parts: the keyboard, the distributor, and a paper tape.

The keyboard had just five piano type keys, operated with two fingers of the left hand and three fingers of the right hand.

Once the keys had been pressed they were locked down until the contacts again passed over the sector connected to that particular keyboard, when the keyboard was unlocked ready for the next character to be entered, with an audible click ( known as the " cadence signal ") to warn the operator.

The archicembalo, built in the 16th century, had an unusual keyboard layout, designed to accommodate variant tuning systems demanded by compositional practice and theoretical experimentation.

The data entry keyboard had five PF keys and two PA keys.

A September 18 recording session finished the album, adding the horns and strings, as well as some additional piano from Randi, who played all the keyboard parts on the album as the band now had no keyboard player.

OS / 2 featured a rich API for controlling the video display ( VIO ) and handling keyboard and mouse events so that programmers writing for protected-mode no longer had to call the BIOS or access hardware directly.

Centuries of work on the mechanism of the harpsichord in particular had shown the most effective ways to construct the case, soundboard, bridge, and keyboard.

Cristofori's early instruments were made with thin strings, and were much quieter than the modern piano — but compared to the clavichord ( the only previous keyboard instrument capable of dynamic nuance via the keyboard ) they were much louder and had more sustain.

It had strings arranged vertically on a continuous frame with bridges extended nearly to the floor, behind the keyboard and very large sticker action.

It also had a full keyboard.

The result of a three-year collaboration between Sinclair Research, ICL and British Telecom, the OPD had the intriguing addition of a telephone handset on one end of the keyboard, and rudimentary Computer-Telephony Integration ( CTI ) software.

US and UK systems had actual telephone dials ; German systems did " dialing " via the keyboard.