core catcher - meaning and definition. What is core catcher
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What (who) is core catcher - definition


Core catcher         
SAFETY DEVICE IN A NUCLEAR REACTOR TO CONTAIN THE CORE IN CASE OF A MELTDOWN
Core Catcher; Split-ring core lifter; Spring lifter; Ring lifter
A core catcher is a device provided to catch the molten core material (corium) of a nuclear reactor in case of a nuclear meltdown and prevent it from escaping the containment building.
IMSI-catcher         
TELEPHONY EAVESDROPPING DEVICE
IMSI catcher; I.M.S.I. catcher; I. M. S. I. catcher; I M S I catcher
An international mobile subscriber identity-catcher, or IMSI-catcher, is a telephone eavesdropping device used for intercepting mobile phone traffic and tracking location data of mobile phone users. Essentially a "fake" mobile tower acting between the target mobile phone and the service provider's real towers, it is considered a man-in-the-middle (MITM) attack.
main store         
  • Diagram of a 4×4 plane of magnetic core memory in an X/Y line coincident-current setup. X and Y are drive lines, S is sense, Z is inhibit. Arrows indicate the direction of current for writing.
  • A 10.8×10.8 cm plane of magnetic core memory with 64 x 64 bits (4 Kb), as used in a [[CDC 6600]]. Inset shows ''word line'' architecture with two wires per bit
  • Close-up of a core plane. The distance between the rings is roughly 1 mm (0.04 in). The green horizontal wires are X; the Y wires are dull brown and vertical, toward the back. The sense wires are diagonal, colored orange, and the inhibit wires are vertical twisted pairs.
  • One of three inter-connected modules that make up an Omnibus-based PDP-8 core memory plane.  This is the middle of the three and contains the array of actual ferrite cores.
  • One of three inter-connected modules that make up an Omnibus-based (PDP 8/e/f/m) PDP-8 core memory plane.
  • One of three inter-connected modules that make up an Omnibus-based PDP-8 core memory plane.
  • [[Project Whirlwind]] core memory
  • Diagram of the [[hysteresis]] curve for a magnetic memory core during a read operation. Sense line current pulse is high ("1") or low ("0") depending on original magnetization state of the core.
PREDOMINANT FORM OF RANDOM-ACCESS COMPUTER MEMORY FOR 20 YEARS BETWEEN ABOUT 1955 AND 1975
Ferrite core memory; Ferrite-core memory; Core store; Magnetic-Core Storage; Ferrite ram; Magnetic core storage; Core Memory; Main store; Magnetic core memory; Core memory; Core memories