microprogram memory
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Memory address register — The Memory Address Register (MAR) is a CPU register that either stores the memory address from which data will be fetched to the CPU or the address to which data will be sent and stored. In other words, MAR holds the memory location of data that… … Wikipedia
Memory data register — The Memory Data Register (MDR) is the register of a computer s control unit that contains the data to be stored in the computer storage (e.g. RAM), or the data after a fetch from the computer storage. It acts like a buffer and holds anything that … Wikipedia
List of AMD Am2900 and Am29000 families — Advanced Micro Devices (AMD) had a number of product lines with the part numbers beginning with 29 . These families were generally not related to one another.The Am29(F, BL, DL, DS)xxx family contains a variety of flash memories, and is not part… … Wikipedia
Olivetti Elea — Central console unit of Elea 9003 The Elea 9003 is one of a series of mainframe computers Olivetti developed starting in the late 1950s. The system, made entirely with transistors for high performance, was conceived, designed and developed by a… … Wikipedia
Ensoniq Signal Processor — (ESP)The Ensoniq ESP was used in many of the company s musical instruments and on their Soundscape Elite PC ISA sound card. It was used to enhance the synthesizer s audio samples with digital effects, enhancing the realism of the overall sound.… … Wikipedia
Microcode — is a layer of hardware level instructions and/or data structures involved in the implementation of higher level machine code instructions in many computers and other processors; it resides in special high speed memory and translates machine… … Wikipedia
Digital electronics — Main articles: Electronics and Electronic circuit Digital electronics represent signals by discrete bands of analog levels, rather than by a continuous range. All levels within a band represent the same signal state. Relatively small changes to… … Wikipedia
Central processing unit — CPU redirects here. For other uses, see CPU (disambiguation). An Intel 80486DX2 CPU from above An Intel 80486DX2 from below … Wikipedia
Control unit — A control unit in general is a central (or sometimes distributed but clearly distinguishable) part of the machinery that controls its operation, provided that a piece of machinery is complex and organized enough to contain any such unit. One… … Wikipedia
History of general purpose CPUs — The history of general purpose CPUs is a continuation of the earlier history of computing hardware. 1950s: early designs Each of the computer designs of the early 1950s was a unique design; there were no upward compatible machines or computer… … Wikipedia
HP 2100 — The HP 2100 was a series of minicomputers produced by Hewlett Packard from the mid 1960s to early 1990s. The 2100 was also a specific model in this series. The series would be renamed to HP 1000 by the 1970s and sold as real time computers… … Wikipedia
