Ads
related to: rca small wonder help phone system manualget.usermanualsonline.com has been visited by 10K+ users in the past month
smartholidayshopping.com has been visited by 100K+ users in the past month
allusermanuals.com has been visited by 10K+ users in the past month
Search results
Results From The WOW.Com Content Network
RCA's TSOS operating system was the first mainframe, demand paging, virtual memory operating system on the market. By 1971, despite a significant investment, RCA had only a 4% market share, and it was estimated that it would cost around $500 million over the next five years to remain competitive with the IBM/370 series.
For example, some systems used two-tone sequential paging to alert a mobile or handheld that a wired phone was trying to call them. Other systems used DTMF. Some used a system called Secode 2805 which transmitted an interrupted 2805 Hz tone (in a manner similar to IMTS signaling) to alert mobiles of an offered call. Some radio equipment used ...
The ATI Wonder is a series of video cards for the IBM Personal Computer and compatibles, introduced by ATI Technologies in the mid to late 1980s. [ 1 ] [ 2 ] [ 3 ] These cards were unique at the time as they offered the end user a considerable amount of value by combining support for multiple graphics standards (and monitors) into a single card.
In 2009, an agreement was made between Discount Two Way Radio Corporation (DTWR) and Technicolor SA to manufacture Two-way radio products under the RCA brand. [ 1 ] [ 2 ] RCA Two-way radios is the official sponsor of the United States Bobsled and Skeleton Team for the 2022 Winter Olympic Games in Beijing .
PBX switchboard, 1975. A telephone switchboard is a device used to connect circuits of telephones to establish telephone calls between users or other switchboards. The switchboard is an essential component of a manual telephone exchange, and is operated by switchboard operators who use electrical cords or switches to establish the connections.
The most commonly used telephone sets for the 1A2 systems were modifications of the Bell System standard 500-series telephones for rotary dial systems, and the 2500-series Touch-Tone desk sets. For key system operation these sets were equipped with a set of push-buttons ( keys ) and additional internal contact springs to control the additional ...
The RCA Model 70/25 (1965) [2] was a discrete [7] small-to-medium scale computer system that supported a wider variety of applications, including use as a free-standing system. In large installations, the 70/25 might also be used as a subsystem in a multi-processor complex.
RAM was quite small in the unexpanded systems (a few hundred bytes to a few kilobytes). By 1976 the number of pre-assembled machines was growing, and the 1977 introduction of the "Trinity" of Commodore PET , TRS-80 and Apple II generally marks the end of the "early" microcomputer era, and the advent of the consumer home computer era that followed.
Ad
related to: rca small wonder help phone system manualget.usermanualsonline.com has been visited by 10K+ users in the past month