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This machine introduced many modern architectural concepts: spooling, interrupts, pipelining, interleaved memory, virtual memory and paging. It was the most powerful machine in the world at the time of release. 1962: US Work begun on the LINC, the brainchild of the MIT physicist Wesley A. Clark in May 1961. It was the first functional prototype ...
Historical lowest retail price of computer memory and storage Electromechanical memory used in the IBM 602, an early punch multiplying calculator Detail of the back of a section of ENIAC, showing vacuum tubes Williams tube used as memory in the IAS computer c. 1951 8 GB microSDHC card on top of 8 bytes of magnetic-core memory (1 core is 1 bit.)
The memory cell is the fundamental building block of computer memory. The memory cell is an electronic circuit that stores one bit of binary information and it must be set to store a logic 1 (high voltage level) and reset to store a logic 0 (low voltage level). Its value is maintained/stored until it is changed by the set/reset process.
The Sequence History (SH) and Cosequence History (CSH) registers on the Honeywell 800 The B register on an IBM 1401 with the indexing feature Automatically record the NSI at a standard memory location following all or most successful branches Store P (STP) locations on RCA 301, 3301 and 501 STICC on the RCA 601 is relative to the lower bound ...
The Atlas pioneered virtual memory and paging as a way to extend its working memory by combining its 16,384 words of primary core memory with an additional 96K words of secondary drum memory. [21] Atlas also pioneered the Atlas Supervisor, "considered by many to be the first recognizable modern operating system". [20]
In addition to ever-growing word lengths, microprocessors began to add additional functional units that had previously been optional external parts. By the middle of the decade, memory management units (MMUs) were becoming commonplace, first appearing on designs like the Intel 80286 and Motorola 68030.
History is full of iconic moments, some that shaped the world and others that defined entire eras. From the birth of groundbreaking inventions to the rise of legendary icons, each moment has its ...
Timeline of computing presents events in the history of computing organized by year and grouped into six topic areas: predictions and concepts, first use and inventions, hardware systems and processors, operating systems, programming languages, and new application areas.