What is CoCO 3?

What is CoCO 3?

Cobalt(II) carbonate, an inorganic compound with the formula CoCO.

What colour was the first computer?

TRS-80 Color Computer

16K TRS-80 Color Computer
Manufacturer Motorola
Release date September 1980
Introductory price US$399 (equivalent to $1,310 in 2021)
Discontinued 1991

Was Apple the first colored computer?

The Macintosh II is a personal computer designed, manufactured, and sold by Apple Computer from March 1987 to January 1990. Based on the Motorola 68020 32-bit CPU, it is the first Macintosh supporting color graphics….Macintosh II.

Developer Apple Computer
Successor Macintosh IIx Macintosh IIcx

Who invented the Colour computer?

Computer scientist and engineer Mark Dean is credited with helping develop a number of landmark technologies, including the color PC monitor, the Industry Standard Architecture system bus and the first gigahertz chip.

Is Tandy Electronics still in business?

Tandy Electronics was an electronics retailer in Australia originally operated by the American Tandy Corporation, later International Tandy (InterTAN), acquired in 2001 by Woolworths Group. The brand ceased to exist after it was phased out by Woolworths Limited in 2011.

Why are old screens green?

Old monitors had very low refresh rates (driven by hardware prices), and green phosphor has the longest afterglow (remains on the screen for the longest time) Green phosphor was the first available for use in monitors (and some sources also say that monitors of this type were physically lighter)

What is a green screen computer?

(2) A computer terminal that displays green characters on a dark background. Widely used in the early days of mainframes and minicomputers, as well as in the days of DOS, the character-based green screen gave way to the graphics-based interfaces of Windows and Mac.

What computer did RadioShack sell?

TRS-80 Micro Computer System
The TRS-80 Micro Computer System (TRS-80, later renamed the Model I to distinguish it from successors) is a desktop microcomputer launched in 1977 and sold by Tandy Corporation through their Radio Shack stores. The name is an abbreviation of Tandy Radio Shack, Z80 [microprocessor].