Initial commit
commit
94a7c34aa8
|
|
@ -0,0 +1,4 @@
|
|||
{ pkgs ? import <nixpkgs> {} }:
|
||||
{
|
||||
reveal-md = pkgs.callPackage ./reveal-md { pkgs = pkgs; };
|
||||
}
|
||||
|
|
@ -0,0 +1,14 @@
|
|||
{ pkgs ? import <nixpkgs> {} }:
|
||||
pkgs.mkYarnPackage rec {
|
||||
name = "reveal-md";
|
||||
src = pkgs.fetchFromGitHub {
|
||||
owner = "webpro";
|
||||
repo = "reveal-md";
|
||||
rev = "5.2.0";
|
||||
sha256 = "QaDTVBaEK3WvhHK0gkZLaDGLk8o5V9X8RbiGtRVVgQE=";
|
||||
};
|
||||
|
||||
packageJSON = "${src}/package.json";
|
||||
yarnLock = ./yarn.lock;
|
||||
yarnNix = ./yarn.nix;
|
||||
}
|
||||
File diff suppressed because it is too large
Load Diff
File diff suppressed because it is too large
Load Diff
|
|
@ -0,0 +1,321 @@
|
|||
<link rel="stylesheet" href="./static/main.css"/>
|
||||
|
||||
<!-- .slide: data-background-color="#283681" -->
|
||||
|
||||
# ITGK Teori-kurs
|
||||
|
||||
<img src="./static/graphics/PVV-logo-blue.svg" width=40%/>
|
||||
|
||||
Note: Introduksjon
|
||||
|
||||
---
|
||||
|
||||
## <span class="red">⏺ **OBS:** Opptak</span>
|
||||
|
||||
Note:
|
||||
PVV sin youtube-kanal
|
||||
|
||||
selv-introduksjon
|
||||
|
||||
Angående forelesningen
|
||||
|
||||
---
|
||||
|
||||
## Generelt
|
||||
|
||||
Hva er IT
|
||||
|
||||
Kort Historie
|
||||
|
||||
---
|
||||
|
||||
Folk som er viktige
|
||||
|
||||
Von Neumann
|
||||
|
||||
---
|
||||
|
||||
<!-- .slide: data-auto-animate -->
|
||||
|
||||
### Begreper:
|
||||
|
||||
<div class="columns">
|
||||
<div class="column">
|
||||
|
||||
- Transistorer
|
||||
- IC
|
||||
- PC
|
||||
- Hardware
|
||||
- Software
|
||||
|
||||
</div>
|
||||
<div class="column">
|
||||
|
||||
- Operativsystem
|
||||
- Kernel
|
||||
- WWW/Internet
|
||||
- High level/Low level
|
||||
- Abstraksjon
|
||||
- bit <!-- .element: data-id="2" -->
|
||||
|
||||
</div>
|
||||
</div>
|
||||
|
||||
Note:
|
||||
Operativsystem -> Ressursallokering -> Kernel -> Grafisk brukergrensesnitt
|
||||
|
||||
----
|
||||
|
||||
<!-- .slide: data-auto-animate -->
|
||||
|
||||
- bit <!-- .element: data-id="2" -->
|
||||
|
||||
<div class="columns">
|
||||
<div class="column">
|
||||
|
||||
| Enhet | Størrelse |
|
||||
|------------|-------------------|
|
||||
| byte | 8 bits |
|
||||
| kilobyte | \\(1000\\) bytes |
|
||||
| megabyte | \\(10^6\\) bytes |
|
||||
| gigabyte | \\(10^9\\) bytes |
|
||||
| terabyte | \\(10^{12}\\) |
|
||||
| petabyte | \\(10^{15}\\) |
|
||||
| exabye | \\(10^{18}\\) |
|
||||
|
||||
</div>
|
||||
<div class="column"> <!-- .element: class="fragment" data-fragment-index="1" -->
|
||||
|
||||
| Enhet | Størrelse |
|
||||
|------------|-------------------|
|
||||
| byte | 8 bits |
|
||||
| kilobyte | \\(1000\\) bytes |
|
||||
| megabyte | \\(10^6\\) bytes |
|
||||
| gigabyte | \\(10^9\\) bytes |
|
||||
| terabyte | \\(10^{12}\\) |
|
||||
| petabyte | \\(10^{15}\\) |
|
||||
| exabye | \\(10^{18}\\) |
|
||||
|
||||
</div>
|
||||
</div>
|
||||
|
||||
---
|
||||
|
||||
### Datatyper
|
||||
|
||||
- Integer
|
||||
- Character
|
||||
- Float
|
||||
- Array
|
||||
- String
|
||||
|
||||
Note:
|
||||
|
||||
char -> ASCII 7b, Extended ASCII 8b, UTF-8
|
||||
|
||||
Finnes flere, men disse
|
||||
|
||||
Objekter
|
||||
|
||||
---
|
||||
|
||||
Tallsystemer
|
||||
|
||||
Forventet å kunne octal, binær, heksadesimal
|
||||
|
||||
går tom for siffer
|
||||
|
||||
delbarhet
|
||||
|
||||
hexadesimal i 4 binær chunks om gangen
|
||||
octal i 3 binær chunks om gangen
|
||||
revers
|
||||
|
||||
Note:
|
||||
lurt å trene på
|
||||
|
||||
brukt ca. 20 min
|
||||
|
||||
---
|
||||
|
||||
*Slide med konversjon fra binær til octal og heksadesimal*
|
||||
|
||||
---
|
||||
|
||||
Negative tall
|
||||
|
||||
Signed magnitude
|
||||
|
||||
bruker første biten
|
||||
|
||||
0000 = 1000
|
||||
kaster bort en plass
|
||||
|
||||
Løsning: Twos complement:
|
||||
|
||||
0001 = 1
|
||||
0000 = 0
|
||||
1111 = -1
|
||||
|
||||
1000 = MIN_INT
|
||||
|
||||
Algoritme:
|
||||
- finn ut hva minste negative tall er
|
||||
- ta resten av bitsene, og konverter til desimal
|
||||
- regn ut offsett
|
||||
|
||||
---
|
||||
|
||||
Flyttall
|
||||
|
||||
Matematisk tilnærming
|
||||
|
||||
Signed bit, exponent - 2^?, signifikant?
|
||||
|
||||
består av 3 biter, kan gi rare utregninger iblant
|
||||
|
||||
---
|
||||
|
||||
# Hardware
|
||||
|
||||
# Datamaskin
|
||||
|
||||
Består av mange forskjellige biter.
|
||||
datamaskin er bare et begrep vi bruker.
|
||||
Kan gå galt på veldig mange lag i prosessen.
|
||||
Moores law, antall transistorer i en IC dobles hver 2. år.
|
||||
|
||||
---
|
||||
|
||||
## Hovedkort (Motherboard)
|
||||
Limet som fester alle de andre bitene sammen.
|
||||
Inneholder litt logikk for konfigurasjon av alle bitene, men lite ellers.
|
||||
|
||||
<img src="./static/graphics/motherboard2.png" width="50%"/>
|
||||
|
||||
https://toppng.com/show_download/226517/motherboard-png-photos-intel-server-board-s7200a/large
|
||||
|
||||
---
|
||||
|
||||
## CPU
|
||||
Viktigste biten. Gjør alle beregningene.
|
||||
Består av 3 biter, kontrollenhet, minneenhet, ALU
|
||||
Kjører raskt, gHz
|
||||
Har et visst sett med ting den kan gjøre, kalt et instruksjonssett.
|
||||
Setter du disse på rad, så har du et program.
|
||||
|
||||
---
|
||||
|
||||
# Fetch Decode Execute Cycle (De 5 stegene)
|
||||
|
||||
*5 steg* hver gang den skal kjøre en instruksjon
|
||||
|
||||
PC - program counter
|
||||
Branching - hopp til andre steder/loop
|
||||
Kjører en instruksjon for hver klokkesykel, men gjør flere steg samtidig. Verdt å merke seg.
|
||||
|
||||
---
|
||||
|
||||
## Minne
|
||||
|
||||
Primær, sekundær-minne
|
||||
|
||||
Primær - RAM
|
||||
tilfeldig access - kan nå hvor som helst øyeblikkelig
|
||||
volatilt - uten strøm så forsvinner dataen.
|
||||
|
||||
Sekundær - Harddisk
|
||||
Tregt - cd som spinner
|
||||
Sekvensiell aksess - Må lete for å lese på riktig sted.
|
||||
ikke volatilt - holder på data uten strøm
|
||||
SSD - Nesten random access, ligner på ram, men er ikke volatil
|
||||
CD, DVD, Ekstern harddisk, USB, osv.
|
||||
|
||||
> https://www.pngall.com/ram-png/download/48267
|
||||
|
||||
> https://pixabay.com/vectors/hdd-hard-disk-drive-disk-hard-disk-154463/
|
||||
> https://pixabay.com/vectors/dvd-cd-rom-compact-disc-cd-digital-152917/
|
||||
> https://pixabay.com/vectors/usb-disk-disc-storage-technology-47552/
|
||||
|
||||
---
|
||||
|
||||
# Digital Representasjon
|
||||
|
||||
Analog vs Digital
|
||||
|
||||
Analog kan du måle bortimot så nøyaktig du vil
|
||||
Digital har et visst sett med 0 og 1
|
||||
|
||||
(bilde av lydbølge)
|
||||
|
||||
ADC - inn på computeren
|
||||
DAC - ut fra computeren
|
||||
|
||||
Note: Skal gå inn på diverse måter å representere ting digitalt på
|
||||
|
||||
---
|
||||
|
||||
# Piksler
|
||||
|
||||
Piksler er en måte å representere bilder
|
||||
En piksel er en liten bit av bildet, med en farge.
|
||||
Ofte tilsvarer 1 piksel 1 LED på skjermen
|
||||
Den fargen er representert som en sammensetning av 3 farger
|
||||
Pleier ofte å være RGB
|
||||
|
||||
----
|
||||
|
||||
## RGB
|
||||
|
||||
Hver verdi er mellom 0 og 255
|
||||
|
||||
Kan derfor representeres som et hexadecimal med 6 tegn
|
||||
|
||||
<style>
|
||||
.rgb-pvv {color: #283681;}
|
||||
.rgb-red {color: #FF0000;}
|
||||
.rgb-cof {color: #C0FFEE;}
|
||||
.rgb-whi {color: #FFFFFF;}
|
||||
.rgb-bla {color: #000000;}
|
||||
</style>
|
||||
|
||||
<div class="replacable-fragment">
|
||||
<div style="font-size: 0.8em;">
|
||||
|
||||
| Farge | Rød | Grønn | Blå |
|
||||
|--------------------------------------|---------------|---------------|---------------|
|
||||
| <span class="rgb-pvv">#283681</span> | 28\\(_{16}\\) | 36\\(_{16}\\) | 81\\(_{16}\\) |
|
||||
| <span class="rgb-red">#FF0000</span> | FF\\(_{16}\\) | 00\\(_{16}\\) | 00\\(_{16}\\) |
|
||||
| <span class="rgb-cof">#C0FFEE</span> | C0\\(_{16}\\) | FF\\(_{16}\\) | EE\\(_{16}\\) |
|
||||
| <span class="rgb-whi">#FFFFFF</span> | FF\\(_{16}\\) | FF\\(_{16}\\) | FF\\(_{16}\\) |
|
||||
| <span class="rgb-bla">#000000</span> | 00\\(_{16}\\) | 00\\(_{16}\\) | 00\\(_{16}\\) |
|
||||
|
||||
</div> <!-- .element: class="fragment fade-out" data-fragment-index="1" -->
|
||||
|
||||
<div style="font-size: 0.8em;">
|
||||
|
||||
| Farge | Rød | Grønn | Blå |
|
||||
|--------------------------------------|----------------|----------------|----------------|
|
||||
| <span class="rgb-pvv">#283681</span> | \\(40_{10}\\) | \\(54_{10}\\) | \\(129_{10}\\) |
|
||||
| <span class="rgb-red">#FF0000</span> | \\(255_{10}\\) | \\(0_{10}\\) | \\(0_{10}\\) |
|
||||
| <span class="rgb-cof">#C0FFEE</span> | \\(192_{10}\\) | \\(255_{10}\\) | \\(238_{10}\\) |
|
||||
| <span class="rgb-whi">#FFFFFF</span> | \\(255_{10}\\) | \\(255_{10}\\) | \\(255_{10}\\) |
|
||||
| <span class="rgb-bla">#000000</span> | \\(0 _{10}\\) | \\(0_{10}\\) | \\(0_{10}\\) |
|
||||
|
||||
</div> <!-- .element: class="fragment fade-in" data-fragment-index="1" -->
|
||||
</div>
|
||||
|
||||
Note:
|
||||
|
||||
Regn ut 1920x1080 x 24 bits
|
||||
|
||||
---
|
||||
|
||||
# PAUSE
|
||||
|
||||
---
|
||||
|
||||
|
||||
# Algoritmer
|
||||
# Nettverk
|
||||
# Programvareutvikling
|
||||
|
|
@ -0,0 +1,4 @@
|
|||
{
|
||||
"highlightTheme": "monokai-sublime",
|
||||
"theme": "black"
|
||||
}
|
||||
|
|
@ -0,0 +1,7 @@
|
|||
{
|
||||
"theme": "black",
|
||||
"transition": "slide",
|
||||
"controls": true,
|
||||
"progress": true,
|
||||
"keyboard": {"81": "toggleOverview"}
|
||||
}
|
||||
|
|
@ -0,0 +1,7 @@
|
|||
{ pkgs ? import <nixpkgs> {} }:
|
||||
with pkgs;
|
||||
mkShell {
|
||||
buildInputs = [
|
||||
(callPackage ./.nix { pkgs = pkgs; }).reveal-md
|
||||
];
|
||||
}
|
||||
|
|
@ -0,0 +1,191 @@
|
|||
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inkscape:version="1.1 (c68e22c387, 2021-05-23)"
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x="587.59998"
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aria-label="PVV"
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<style
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type="text/css"
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.st0{fill:#ffffff;}
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.st1{fill:none;stroke:#ffffff;stroke-width:2;stroke-miterlimit:10;}
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.st2{fill:none;stroke:#000000;stroke-width:2;stroke-miterlimit:10;}
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.st3{fill:none;}
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.st4{stroke:#000000;stroke-miterlimit:10;}
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.st5{font-family:'OCRAStd';}
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.st6{font-size:126px;}
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</style>
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After Width: | Height: | Size: 7.1 KiB |
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After Width: | Height: | Size: 279 KiB |
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@ -0,0 +1,22 @@
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.red {
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color: red;
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display: flex;
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}
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.columns > div {
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flex: 1;
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}
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.replacable-fragment {
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position: relative;
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margin: auto;
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}
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.replacable-fragment > div {
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position:absolute;
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top:0;
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left:0;
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}
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Loading…
Reference in New Issue