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An example of a television news ticker, at the very bottom of the screen. News ticker on a building in Sydney, Australia. A news ticker (sometimes called a crawler, crawl, slide, zipper, ticker tape, or chyron) is a horizontal or vertical (depending on a language's writing system) text-based display either in the form of a graphic that typically resides in the lower third of the screen space ...
Morse can be sent by persons with severe motion disabilities, as long as they have some minimal motor control. An original solution to the problem that caretakers have to learn to decode has been an electronic typewriter with the codes written on the keys. Codes were sung by users; see the voice typewriter employing Morse or votem. [53]
For example, an 8″ × 10″ 600 dpi black-and-white image contains 3.43 MiB of data, as does a 300 dpi CMYK printed image. A 2,400 ppi True color (24-bit) image contains about 1.29 GiB of information; printing an image maintaining this data would require a printing resolution of about 120,000 dpi in black and white, or 60,000 dpi with CMYK dots.
Thus, the Times headlined a 1974 Xerox product as a "speedier electronic typewriter", but went on to describe the product, which had no screen, [16] as "a word processor rather than strictly a typewriter, in that it stores copy on magnetic tape or magnetic cards for retyping, corrections, and subsequent printout". [17]
Worldwide distribution of country calling codes. Regions are coloured by first digit. Country calling codes, country dial-in codes, international subscriber dialing (ISD) codes, or most commonly, telephone country codes are telephone number prefixes for reaching telephone subscribers in foreign countries or areas via international telecommunication networks.
A codec is a device or computer program that encodes or decodes a data stream or signal. [1] [2] [3] Codec is a portmanteau of coder/decoder.[4]In electronic communications, an endec is a device that acts as both an encoder and a decoder on a signal or data stream, [5] and hence is a type of codec.
WhatsApp also began rolling out support for sending login codes to a linked email address, rather than via SMS. [176] In a later update on November 30, WhatsApp added a Secret Code feature, which allows those who use locked chats to enter a unique password that hides those chats from view when unlocking the app. [177] [178]