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searching for Memory refresh 12 found (98 total)

MicroAngelo (774 words) [view diff] exact match in snippet view article find links to article

for the frame buffer, a Z80 processor operating as a controller and memory refresh driver, and 4 kB of ROM containing one of two optional sets of subroutines

Xerox Alto (3,365 words) [view diff] exact match in snippet view article find links to article

set is similar to a Data General Nova. Other tasks serve the display, memory refresh, disk, network, and other I/O functions. For example, the bitmap display

Screen tearing (1,088 words) [view diff] exact match in snippet view article find links to article

multiple buffering and some means of synchronization of display and video memory refresh cycles. Option "TearFree" "boolean": disable or enable TearFree updates

List of 7400-series integrated circuits (1,789 words) [view diff] exact match in snippet view article find links to article

dynamic memory refresh controller, transparent and burst modes, for 4K or 16K dRAM three-state 20 SN74LS600A 74x601 1 dynamic memory refresh controller

MOS Technology Agnus (694 words) [view diff] case mismatch in snippet view article find links to article

Copper 1 varying Agnus (internal) D Audio 4 4 Paula E Sprites 8 16 Denise F Disk 1 3 Paula G Memory Refresh 1 4 - Reference: Amiga 500 plus Service Manual

Industry Standard Architecture (3,484 words) [view diff] exact match in snippet view article find links to article

DMA channel Expansion Standard function 0 No Dynamic random-access memory refresh 1 Yes Add-on cards 2 Yes Floppy disk controller 3 Yes Hard disk controller

Fast loader (2,268 words) [view diff] exact match in snippet view article find links to article

several advanced features of the Spectrum's architecture, such as the memory refresh register and parity branch instructions of the Z80 processor, which

IBM Personal Computer (6,530 words) [view diff] exact match in snippet view article find links to article

Intel 8253 PIT. The PIT provides 18.2 Hz clock "ticks" and dynamic memory refresh timing. The CPU is an Intel 8088, a cost-reduced form of the Intel 8086

Apple III (4,486 words) [view diff] exact match in snippet view article find links to article

CPU (operating effectively between 1.4 and 1.8 MHz due to video or memory refresh cycles) and, like some of the later machines in the Apple II family

Federico Faggin (4,714 words) [view diff] no match in snippet view article find links to article

interface directly with dynamic RAM, since it included an internal memory-refresh controller. The Z80 was used in many of early personal computers, as

Atari joystick port (4,592 words) [view diff] exact match in snippet view article find links to article

included 8-bit I/O ports as well as the hardware needed to control memory refresh and similar housekeeping tasks. Ultimately, the design used five of

NCR/32 (1,307 words) [view diff] no match in snippet view article find links to article

management services such as address translation, access protection, memory-refresh control, and error-checking and correction (ECC). It contains sixteen