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added basic HTML Semantic Elements

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Sebastian Wendel 2024-02-18 12:51:04 +01:00
parent 88f20d462b
commit f1572f95bc
1 changed files with 51 additions and 47 deletions
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index.html
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@ -16,51 +16,55 @@
<link rel="stylesheet" href="./css/srx.css"> <link rel="stylesheet" href="./css/srx.css">
</head> </head>
<body> <body>
<div class="relative overflow-hidden bg-white"> <main>
<div class="pb-80 pt-16 sm:pb-40 sm:pt-24 lg:pb-48 lg:pt-40"> <article>
<div class="relative mx-auto max-w-7xl px-4 sm:static sm:px-6 lg:px-8"> <div class="relative overflow-hidden bg-white">
<div class="sm:max-w-lg"> <div class="pb-80 pt-16 sm:pb-40 sm:pt-24 lg:pb-48 lg:pt-40">
<h1 class="text-4xl font-bold tracking-tight text-gray-900 sm:text-6xl">What is Magnetic-core memory?</h1> <div class="relative mx-auto max-w-7xl px-4 sm:static sm:px-6 lg:px-8">
<p class="mt-4 text-xl text-gray-500">Core memory uses <div class="sm:max-w-lg">
<a href="https://en.wikipedia.org/wiki/Toroid">toroids</a> <h1 class="text-4xl font-bold tracking-tight text-gray-900 sm:text-6xl">What is Magnetic-core memory?</h1>
(rings) of a <p class="mt-4 text-xl text-gray-500">Core memory uses
<a href="https://en.wikipedia.org/wiki/Hard_magnetic_material">hard <a href="https://en.wikipedia.org/wiki/Toroid">toroids</a>
magnetic material</a> (rings) of a
(usually a <a href="https://en.wikipedia.org/wiki/Hard_magnetic_material">hard
<a href="https://en.wikipedia.org/wiki/Ferrite_(magnet)#Semi-hard_ferrites">semi-hard magnetic material</a>
ferrite</a>). Each core stores one (usually a
<a href="https://en.wikipedia.org/wiki/Bit">bit</a> <a href="https://en.wikipedia.org/wiki/Ferrite_(magnet)#Semi-hard_ferrites">semi-hard
of information. Two or more wires pass through each core, forming an ferrite</a>). Each core stores one
X-Y array of cores. When an electrical current above a certain <a href="https://en.wikipedia.org/wiki/Bit">bit</a>
threshold is applied to the wires, the core will become magnetized. of information. Two or more wires pass through each core, forming an
The core to be written is selected by powering one X and one Y wire X-Y array of cores. When an electrical current above a certain
to half of the required power, such that only the single core at the threshold is applied to the wires, the core will become magnetized.
intersection is written. Depending on the direction of the currents, The core to be written is selected by powering one X and one Y wire
the core will pick up a clockwise or counterclockwise magnetic field, to half of the required power, such that only the single core at the
storing a 1 or 0. intersection is written. Depending on the direction of the currents,
the core will pick up a clockwise or counterclockwise magnetic field,
This writing process also causes electricity to be storing a 1 or 0.
<a href="https://en.wikipedia.org/wiki/Electromagnetic_induction">induced</a>
into nearby wires. If the new pulse being applied in the X-Y wires is This writing process also causes electricity to be
the same as the last applied to that core, the existing field will do <a href="https://en.wikipedia.org/wiki/Electromagnetic_induction">induced</a>
nothing, and no induction will result. If the new pulse is in the into nearby wires. If the new pulse being applied in the X-Y wires is
opposite direction, a pulse will be generated. This is normally the same as the last applied to that core, the existing field will do
picked up in a separate &quot;sense&quot; wire, allowing the system nothing, and no induction will result. If the new pulse is in the
to know whether that core held a 1 or 0. As this readout process opposite direction, a pulse will be generated. This is normally
requires the core to be written, this process is known as picked up in a separate &quot;sense&quot; wire, allowing the system
<i>destructive to know whether that core held a 1 or 0. As this readout process
readout</i>, and requires additional circuitry to reset the core to requires the core to be written, this process is known as
its original value if the process flipped it. <i>destructive
</p> readout</i>, and requires additional circuitry to reset the core to
</div> its original value if the process flipped it.
<div> </p>
<div class="mt-10"> </div>
<div aria-hidden="true" class="pointer-events-none lg:absolute lg:inset-y-0 lg:mx-auto lg:w-full lg:max-w-7xl"> <div>
<div class="absolute transform sm:left-1/2 sm:top-0 sm:translate-x-8 lg:left-1/2 lg:top-1/2 lg:-translate-y-1/2 lg:translate-x-8"> <div class="mt-10">
<div class="flex items-center space-x-6 lg:space-x-8"> <div aria-hidden="true" class="pointer-events-none lg:absolute lg:inset-y-0 lg:mx-auto lg:w-full lg:max-w-7xl">
<div class="grid flex-shrink-0 grid-cols-1 "> <div class="absolute transform sm:left-1/2 sm:top-0 sm:translate-x-8 lg:left-1/2 lg:top-1/2 lg:-translate-y-1/2 lg:translate-x-8">
<div class="h-64 w-44 overflow-hidden rounded-lg"> <div class="flex items-center space-x-6 lg:space-x-8">
<img class="h-full w-full object-cover object-center" src="./img/IMG_20240205_00.webp" alt="A Core memory Module showing the detailed structure of ferrite cores and copper wires."> <div class="grid flex-shrink-0 grid-cols-1 ">
<div class="h-64 w-44 overflow-hidden rounded-lg">
<img class="h-full w-full object-cover object-center" src="./img/IMG_20240205_00.webp" alt="A Core memory Module showing the detailed structure of ferrite cores and copper wires.">
</div>
</div>
</div> </div>
</div> </div>
</div> </div>
@ -69,7 +73,7 @@
</div> </div>
</div> </div>
</div> </div>
</div> </article>
</div> </main>
</body> </body>
</html> </html>