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It was developed by Frederick W. Viehe and An Wang in the late 1940s, and improved by Jay Forrester and Jan A. Rajchman in the early 1950s, before being commercialized with the Whirlwind I computer in 1953. [8] Magnetic-core memory was the dominant form of memory until the development of MOS semiconductor memory in the 1960s. [9]
PC—Personal Computer; PCB—Printed Circuit Board; PCB—Process Control Block; PC DOS—Personal Computer Disc Operating System; PCI—Peripheral Component Interconnect; PCIe—PCI Express; PCI-X—PCI Extended; PCL—Printer Command Language; PCMCIA—Personal Computer Memory Card International Association; PCM—Pulse-Code Modulation
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.
Implicit Memory: Implicit memory is a major form of long-term memory that does not require conscious thought. It allows you to do things by rote. Autobiographical Memory: Most of us have one part ...
A computer which may be used to provide services to clients. software Any computer program or other kind of information that can be read and/or written by a computer. single in-line memory module (SIMM) A type of memory module containing random-access memory used in computers from the early 1980s to the late 1990s. Contrast DIMM. solid-state drive
The memory cells are laid out in rectangular arrays on the surface of the chip. The 1-bit memory cells are grouped in small units called words which are accessed together as a single memory address. Memory is manufactured in word length that is usually a power of two, typically N=1, 2, 4 or 8 bits.
This category is for articles having to deal with the faster forms of memory (like DRAM). For articles about slower forms of storage like disk storage , use the Category:Computer data storage . The main article for this category is Computer memory .
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