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Originally E-MAC was designed for 15:9 pictures, it later adopted the 16:9 aspect ratio. In E-MAC all the 4:3 information is transmitted exactly as in C-MAC so that C-MAC receivers are still compatible. E-MAC hides extra luminance and chrominance information in the field blanking interval and parts of the line blanking interval.
Among the family of MAC or Multiplexed Analogue Components systems for television broadcasting, D-MAC is a reduced bandwidth variant designed for transmission down cable. [1] The data is duobinary coded with a data burst rate of 20.25 Mbit/s so that 0° as well as ±90° phasors are used. D-MAC has a bandwidth of 8.4 MHz versus 27 MHz for C-MAC.
Each version was available as either a "c" or a "cs" model, differentiated largely by type of LCD technology used. While both models came with 11.3" color displays with 800 × 600 resolution, the pricier 1400c came equipped with an active matrix display and the 1400cs came with a less expensive passive matrix, dual-scan display.
This is a list of all major types of Mac computers produced by Apple Inc. in order of introduction date. Macintosh Performa models were often physically identical to other models, in which case they are omitted in favor of the identical twin.
The PowerBook 170 is a laptop computer that was released by Apple Inc. in 1991 along with the PowerBook 100 and the PowerBook 140. [2] Identical in form factor to the 140, it was the high end of the original PowerBook line featuring a faster 25 MHz Motorola 68030 processor with 68882 floating point unit (FPU) and a more expensive and significantly better quality 9.8 in (250 mm) active matrix ...
The original Power Macintosh 6100 is based on the 60 MHz PowerPC 601 processor. [6] The base model was complemented by an AV version, which included an add-on card fitted in its Processor Direct Slot that added audio and visual enhancements such as composite and S-video input/output and full 48 kHz 16-bit DAT-resolution sound processing.
Although various operations provided by the Bellmac 32 architecture support high-level languages generally, specific instructions are provided that support C language conventions, notably the string copy and string end instructions which rely on the C language representation of terminating character strings with a zero byte. A general block ...
The Macintosh Performa 6300, a desktop-cased model The Macintosh Performa 6400 is one of the few Performas to use a tower case.. With a strong education market share throughout the 1980s, Apple wanted to push its computers into the home, with the idea that a child would experience the same Macintosh computer both in the home and at school, and later grow to use Macintosh computers at work.