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<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
<title>Week 1: Pengenalan Sistem Operasi</title>
<meta name="description" content="Weeks 1: Konsep Dasar">
<meta name="author" content="lectura.id/course/os">
<link rel="stylesheet" href="dist/reset.css">
<link rel="stylesheet" href="dist/reveal.css">
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const urlParams = new URLSearchParams(window.location.search);
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if (forceLight || savedTheme === 'light') {
document.write('<link rel="stylesheet" href="dist/theme/white.css" id="theme">');
document.documentElement.classList.add('theme-light');
} else {
document.write('<link rel="stylesheet" href="dist/theme/black.css" id="theme">');
}
</script>
</head>
<body>
<!-- Back Button -->
<div style="position: fixed; top: 20px; left: 20px; z-index: 9999;">
<a href="index.html" style="color: var(--text-main); text-decoration: none; background: var(--glass-bg); padding: 10px 15px; border-radius: 8px; backdrop-filter: blur(5px); font-family: 'Outfit', sans-serif; font-size: 0.9em; border: 1px solid var(--glass-border); display: flex; align-items: center; gap: 8px; transition: all 0.3s ease; box-shadow: 0 4px 6px rgba(0,0,0,0.1);">
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</a>
</div>
<div class="reveal">
<div class="slides">
<!-- SLIDE 1: TITLE -->
<section data-background-gradient="linear-gradient(135deg, #1e1e2e, #11111b)">
<div class="glass-card" style="display: inline-block; padding: 40px 60px;">
<img src="assets/images/Logo.png" alt="Logo" style="height: 100px; background: transparent; filter: drop-shadow(0 0 10px rgba(255,255,255,0.2));" class="demo-logo">
<h2 style="font-size: 2.5em; margin: 10px 0;">Pengenalan Sistem Operasi</h2>
<h4 style="margin-bottom: 20px; text-align: center;">Week 1: Konsep Dasar</h4>
<div class="author-box">
<p style="margin: 5px 0;"><strong style="color: var(--color-blue);">lectura.id/course/os</strong></p>
<p style="margin: 5px 0;">Program Studi Teknik Informatika | Institut Teknologi Sumatera</p>
<p style="margin: 10px 0 0 0; color: #a6adc8; font-family: 'JetBrains Mono', monospace;">2026</p>
</div>
</div>
</section>
<!-- SLIDE 2: OUTLINE -->
<section>
<h3>Outline Materi</h3>
<div class="glass-card text-left" style="max-width: 600px; margin: 0 auto;">
<ul style="list-style-type: none; padding: 0; margin: 0;">
<li style="padding: 10px; border-bottom: 1px solid rgba(255,255,255,0.05); display: flex; align-items: center;">
<span style="background: var(--primary-color); color: #000; width: 24px; height: 24px; border-radius: 50%; display: inline-flex; justify-content: center; align-items: center; margin-right: 15px; font-weight: bold; font-size: 0.8em;">1</span>
Pendahuluan
</li>
<li style="padding: 10px; border-bottom: 1px solid rgba(255,255,255,0.05); display: flex; align-items: center;">
<span style="background: var(--color-green); color: #000; width: 24px; height: 24px; border-radius: 50%; display: inline-flex; justify-content: center; align-items: center; margin-right: 15px; font-weight: bold; font-size: 0.8em;">2</span>
Virtualisasi
</li>
<li style="padding: 10px; border-bottom: 1px solid rgba(255,255,255,0.05); display: flex; align-items: center;">
<span style="background: var(--color-yellow); color: #000; width: 24px; height: 24px; border-radius: 50%; display: inline-flex; justify-content: center; align-items: center; margin-right: 15px; font-weight: bold; font-size: 0.8em;">3</span>
Konkurensi & Persistensi
</li>
<li style="padding: 10px; display: flex; align-items: center;">
<span style="background: var(--color-red); color: #000; width: 24px; height: 24px; border-radius: 50%; display: inline-flex; justify-content: center; align-items: center; margin-right: 15px; font-weight: bold; font-size: 0.8em;">4</span>
Desain & Sejarah
</li>
</ul>
</div>
</section>
<!-- SLIDE 3: LEARNING OUTCOMES -->
<section class="text-left">
<h3>Capaian Pembelajaran</h3>
<p class="text-muted" style="margin-bottom: 1.5rem; font-size: 0.9em;">Apa yang akan kita pelajari hari ini?</p>
<div style="display: grid; grid-template-columns: 1fr 1fr; gap: 15px;">
<div class="glass-card" style="padding: 1rem;">
<h4 style="color: var(--color-peach); font-size: 0.9em;">01. Fundamental</h4>
<p style="font-size: 0.8em; margin: 0;">Memahami peran Sistem Operasi sebagai <strong>Resource Manager</strong>.</p>
</div>
<div class="glass-card" style="padding: 1rem;">
<h4 style="color: var(--color-green); font-size: 0.9em;">02. Virtualisasi</h4>
<p style="font-size: 0.8em; margin: 0;">Menjelaskan konsep virtualisasi pada <strong>CPU</strong> dan <strong>Memori</strong>.</p>
</div>
<div class="glass-card" style="padding: 1rem;">
<h4 style="color: var(--color-yellow); font-size: 0.9em;">03. Konkurensi & Data</h4>
<p style="font-size: 0.8em; margin: 0;">Mengidentifikasi tantangan konkurensi dan <strong>persistensi data</strong>.</p>
</div>
<div class="glass-card" style="padding: 1rem;">
<h4 style="color: var(--color-red); font-size: 0.9em;">04. Sejarah</h4>
<p style="font-size: 0.8em; margin: 0;">Mengenal <strong>evolusi</strong> Sistem Operasi dari masa ke masa.</p>
</div>
</div>
</section>
<!-- SLIDE 4: SECTION HEADER -->
<section data-background-gradient="linear-gradient(45deg, #1e1e2e, #313244)">
<h1 style="font-size: 4em; opacity: 0.1; position: absolute; top: -80px; left: 0px;">01</h1>
<div style="position: relative; z-index: 2;">
<h1>Pendahuluan</h1>
<p class="text-muted">Von Neumann, Program Execution, & The Crux</p>
</div>
</section>
<!-- SLIDE 5: EXECUTION (TEXT ONLY) -->
<section class="text-left">
<h3>Apa yang Program Lakukan?</h3>
<div class="alert-block">
<h4>Konsep Dasar</h4>
Program komputer itu sebenarnya sangat sederhana: hanya <span class="text-accent">mengeksekusi instruksi</span> satu per satu.
</div>
<p class="text-muted" style="font-size: 0.8em;">Siklus <strong>Von Neumann</strong>:</p>
<ol style="font-size: 0.8em; background: rgba(0,0,0,0.2); padding: 15px 30px; border-radius: 8px;">
<li><strong class="text-primary">Fetch</strong>: Ambil instruksi dari memori</li>
<li><strong class="text-primary">Decode</strong>: Artikan instruksi tersebut</li>
<li><strong class="text-primary">Execute</strong>: Jalankan perintahnya</li>
</ol>
</section>
<!-- SLIDE 6: EXECUTION (FULL SCREEN IMAGE) -->
<section data-background-image="assets/images/1_program.png" data-background-size="contain" data-background-color="#ffffff">
</section>
<!-- SLIDE 7: THE CRUX -->
<section class="text-left">
<h3>Masalah Utama (The Crux)</h3>
<div class="example-block">
<h4>Tantangan Virtualisasi</h4>
Bagaimana cara kita <span class="text-accent">memvirtualisasi sumber daya</span> agar sistem mudah digunakan, efisien, dan aman?
</div>
<h4 class="text-muted" style="margin-top: 10px; font-size: 0.85em;">Mengapa perlu virtualisasi?</h4>
<div style="display: flex; gap: 10px; margin-top: 10px;">
<div style="flex: 1; text-align: center; padding: 10px; border: 1px solid rgba(255,255,255,0.1); border-radius: 8px;">
<div style="font-size: 1.2em; margin-bottom: 5px;">🚀</div>
<div style="font-size: 0.65em;">Multitasking program berjalan bersamaan</div>
</div>
<div style="flex: 1; text-align: center; padding: 10px; border: 1px solid rgba(255,255,255,0.1); border-radius: 8px;">
<div style="font-size: 1.2em; margin-bottom: 5px;">🛡️</div>
<div style="font-size: 0.65em;">Isolasi agar tidak saling ganggu</div>
</div>
<div style="flex: 1; text-align: center; padding: 10px; border: 1px solid rgba(255,255,255,0.1); border-radius: 8px;">
<div style="font-size: 1.2em; margin-bottom: 5px;">👍</div>
<div style="font-size: 0.65em;">Kemudahan bagi pengguna</div>
</div>
</div>
</section>
<!-- SLIDE 8: DEFINITION -->
<section class="text-left">
<h3>Apa itu Sistem Operasi?</h3>
<div class="block" style="margin: 0.5rem 0; padding: 0.8rem;">
<h4>Definisi Sederhana</h4>
Sistem Operasi (OS) adalah <span class="text-accent">Manajer Sumber Daya</span> yang mengatur CPU, Memori, dan Disk.
</div>
<div class="two-columns" style="align-items: center;">
<div>
<p style="font-size: 0.8em; margin-bottom: 0.5rem;">OS menyediakan "tombol ajaib" (system calls) untuk aplikasi.</p>
<p class="text-muted" style="font-size: 0.75em; margin-bottom: 0.2rem;">Tugas Utama:</p>
<ol style="font-size: 0.75em; margin-left: 1.2em;">
<li>Memastikan sistem beroperasi <strong>benar</strong>.</li>
<li>Menjalankan program dengan <strong>efisien</strong>.</li>
<li>Abstraksi hardware yang <strong>rumit</strong>.</li>
</ol>
</div>
<div style="display: flex; justify-content: center; align-items: center;">
<div style="font-size: 4em; opacity: 0.2;">⚙️</div>
</div>
</div>
</section>
<!-- SLIDE 9: ACTIVITY 1 -->
<section class="text-left">
<h3>🧠 Aktivitas: Koki & Dapur</h3>
<div class="alert-block">
<h4>Studi Kasus</h4>
<p style="margin: 0; font-size: 0.9em;">1 Dapur (Komputer) punya <strong>1 Koki (CPU)</strong> dan <strong>1 Kompor (Resource)</strong>. <br>
Tiba-tiba datang <strong>3 Pesanan (Process)</strong>: Nasi Goreng, Sup, Telur.</p>
</div>
<div style="background: rgba(255,255,255,0.05); padding: 10px; border-radius: 12px; margin-top: 10px;">
<h4 class="text-primary" style="font-size: 0.85em; margin-bottom: 5px;">Diskusikan (2 menit):</h4>
<ul style="margin: 0; font-size: 0.75em; padding-left: 20px;">
<li>Bagaimana strategi koki agar semua pelanggan merasa dilayani cepat?</li>
<li>Apa yang terjadi jika koki mengerjakan satu pesanan sampai selesai baru pindah?</li>
</ul>
</div>
</section>
<!-- SLIDE 10: SECTION HEADER 2 -->
<section data-background-gradient="linear-gradient(45deg, #1e1e2e, #313244)">
<h1 style="font-size: 4em; opacity: 0.1; position: absolute; top: -80px; left: 0px;">02</h1>
<div style="position: relative; z-index: 2;">
<h1>Virtualisasi</h1>
<p class="text-muted">CPU Time Sharing & Memory Address Space</p>
</div>
</section>
<!-- SLIDE 11: CPU VIRTUALIZATION (TEXT ONLY) -->
<section class="text-left">
<h3>Virtualisasi CPU</h3>
<div class="block">
<h4>Ilusi Banyak CPU</h4>
OS mengubah satu CPU fisik menjadi seolah-olah ada <span class="text-accent">tak terbatas</span> CPU virtual.
</div>
<p style="font-size: 0.85em;">Teknik: <strong class="text-primary">Time Sharing</strong></p>
<p class="text-muted" style="font-size: 0.8em;">
OS menjalankan proses bergantian dengan sangat cepat. Kita merasa semuanya jalan bersamaan (musik + ketik + download), padahal CPU "loncat-loncat".
</p>
</section>
<!-- SLIDE 12: CPU VIRTUALIZATION (FULL SCREEN IMAGE) -->
<section data-background-image="assets/images/1_virtualization.png" data-background-size="contain" data-background-color="#ffffff">
</section>
<!-- SLIDE 13: MEMORY VIRTUALIZATION -->
<section class="text-left">
<h3>Virtualisasi Memori</h3>
<div class="alert-block">
<h4>Ruang Pribadi</h4>
Setiap program merasa memiliki lokasi memori sendiri yang besar (Address Space), padahal fisiknya berbagi di RAM yang sama.
</div>
<div class="two-columns">
<div class="glass-card" style="padding: 1rem;">
<h4 style="color: var(--color-green); font-size: 0.9em;">✅ Aman</h4>
<p style="font-size: 0.8em; margin: 0;">Program A tidak bisa mengacak-acak data Program B.</p>
</div>
<div class="glass-card" style="padding: 1rem;">
<h4 style="color: var(--color-yellow); font-size: 0.9em;">✅ Mudah</h4>
<p style="font-size: 0.8em; margin: 0;">Programmer tidak perlu mikirin alamat fisik RAM.</p>
</div>
</div>
</section>
<!-- SLIDE 14: SECTION HEADER 3 -->
<section data-background-gradient="linear-gradient(45deg, #1e1e2e, #313244)">
<h1 style="font-size: 4em; opacity: 0.1; position: absolute; top: -80px; left: 0px;">03</h1>
<div style="position: relative; z-index: 2;">
<h1>Konkurensi & Persistensi</h1>
<p class="text-muted">Tantangan Multi-thread & Data Writing</p>
</div>
</section>
<!-- SLIDE 15: CONCURRENCY -->
<section class="text-left">
<h3>Masalah Konkurensi</h3>
<div class="block">
<h4>Kerja Bareng Itu Susah!</h4>
Masalah rumit muncul saat mengerjakan banyak hal sekaligus pada data yang sama.
</div>
<p style="font-size: 0.85em;">Analogi: Dua orang mencatat skor di papan tulis yang sama secara bersamaan.</p>
<div class="code-block" style="background: #111; padding: 15px; border-radius: 8px; font-family: 'JetBrains Mono', monospace; font-size: 0.75em; border: 1px solid #333;">
<span style="color: #7f8497;">// Thread 1</span><br>
counter = counter + 1;<br>
<span style="color: var(--color-red);">--- Context Switch ---</span><br>
<span style="color: #7f8497;">// Thread 2</span><br>
counter = counter + 1;<br>
<br>
<span style="color: var(--color-green);">Result?</span> Bisa jadi cuma nambah 1, bukan 2! 😱
</div>
</section>
<!-- SLIDE 16: PERSISTENCE -->
<section class="text-left">
<h3>Persistensi (Menyimpan Data)</h3>
<div class="example-block">
<h4>RAM = Volatile (Mudah Lupa)</h4>
Kita butuh penyimpanan permanen (Disk/SSD) agar data tidak hilang saat listrik mati.
</div>
<div style="display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; margin-top: 20px;">
<div class="glass-card text-center" style="padding: 1rem;">
<div style="font-size: 1.2em; margin-bottom: 5px;">💾</div>
<div style="font-size: 0.7em; font-weight: bold;">Device Driver</div>
<div style="font-size: 0.6em; color: gray;">Kelola disk</div>
</div>
<div class="glass-card text-center" style="padding: 1rem;">
<div style="font-size: 1.2em; margin-bottom: 5px;">📂</div>
<div style="font-size: 0.7em; font-weight: bold;">File System</div>
<div style="font-size: 0.6em; color: gray;">Atur file/folder</div>
</div>
<div class="glass-card text-center" style="padding: 1rem;">
<div style="font-size: 1.2em; margin-bottom: 5px;">📝</div>
<div style="font-size: 0.7em; font-weight: bold;">Journaling</div>
<div style="font-size: 0.6em; color: gray;">Recovery data</div>
</div>
</div>
</section>
<!-- SLIDE 17: SECTION HEADER 4 -->
<section data-background-gradient="linear-gradient(45deg, #1e1e2e, #313244)">
<h1 style="font-size: 4em; opacity: 0.1; position: absolute; top: -80px; left: 0px;">04</h1>
<div style="position: relative; z-index: 2;">
<h1>Desain & Sejarah</h1>
<p class="text-muted">Evolution of Operating Systems</p>
</div>
</section>
<!-- SLIDE 18: DESIGN GOALS -->
<section class="text-left">
<h3>Tujuan Desain OS</h3>
<div class="block">
<h4>The Triad</h4>
<span class="text-accent">Kinerja</span> • <span class="text-accent">Perlindungan</span> • <span class="text-accent">Keandalan</span>
</div>
<div class="two-columns" style="align-items: flex-start;">
<div>
<h4 class="text-primary" style="font-size: 0.9em;">1. Abstraksi</h4>
<p style="font-size: 0.75em; color: var(--text-muted);">Membuat hardware rumit jadi mudah dipakai.</p>
<h4 class="text-primary" style="margin-top: 15px; font-size: 0.9em;">2. Kinerja</h4>
<p style="font-size: 0.75em; color: var(--text-muted);">Minimalkan overhead. OS jangan jadi beban.</p>
</div>
<div>
<h4 class="text-primary" style="font-size: 0.9em;">3. Perlindungan</h4>
<p style="font-size: 0.75em; color: var(--text-muted);">Isolasi program jahat. OS tidak boleh crash cuma karena 1 app error.</p>
</div>
</div>
</section>
<!-- SLIDE 19: HISTORY 1 -->
<section>
<h3>Evolusi Sistem Operasi</h3>
<div style="position: relative; padding-left: 20px; border-left: 2px solid rgba(255,255,255,0.1); max-width: 700px; margin: 0 auto; text-align: left;">
<div style="margin-bottom: 20px;">
<span style="background: var(--color-peach); color: #000; padding: 2px 6px; border-radius: 4px; font-size: 0.6em; font-weight: bold;">1950s</span>
<strong style="margin-left: 10px; font-size: 0.9em;">Human Operator</strong>
<p style="font-size: 0.75em; color: gray; margin-top: 3px;">Mainframe raksasa. Single user. Setup manual lama. CPU sering idle.</p>
</div>
<div style="margin-bottom: 20px;">
<span style="background: var(--color-yellow); color: #000; padding: 2px 6px; border-radius: 4px; font-size: 0.6em; font-weight: bold;">1960s</span>
<strong style="margin-left: 10px; font-size: 0.9em;">Batch & Multiprogramming</strong>
<p style="font-size: 0.75em; color: gray; margin-top: 3px;">Batch jobs. Mulai load banyak program ke memori agar CPU sibuk.</p>
</div>
<div style="margin-bottom: 20px;">
<span style="background: var(--color-green); color: #000; padding: 2px 6px; border-radius: 4px; font-size: 0.6em; font-weight: bold;">1970s</span>
<strong style="margin-left: 10px; font-size: 0.9em;">Time Sharing & UNIX</strong>
<p style="font-size: 0.75em; color: gray; margin-top: 3px;">Interaktif! User merasa punya mesin sendiri. Lahirnya UNIX.</p>
</div>
</div>
</section>
<!-- SLIDE 20: HISTORY 2 -->
<section>
<h3>Evolusi Sistem Operasi (Lanjutan)</h3>
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<div style="margin-bottom: 20px;">
<span style="background: var(--color-blue); color: #000; padding: 2px 6px; border-radius: 4px; font-size: 0.6em; font-weight: bold;">1980s</span>
<strong style="margin-left: 10px; font-size: 0.9em;">Personal Computer (PC)</strong>
<p style="font-size: 0.75em; color: gray; margin-top: 3px;">Komputer murah. GUI muncul (Mac/Windows). Awalnya fitur OS mundur (demi performa), lalu maju lagi.</p>
</div>
<div style="margin-bottom: 0px;">
<span style="background: var(--color-mauve); color: #000; padding: 2px 6px; border-radius: 4px; font-size: 0.6em; font-weight: bold;">Now</span>
<strong style="margin-left: 10px; font-size: 0.9em;">Mobile & Cloud</strong>
<p style="font-size: 0.75em; color: gray; margin-top: 3px;">Android/iOS (Power efficiency). Cloud/Virtualization (OS di atas OS).</p>
</div>
</div>
</section>
<!-- SLIDE 21: WINDOWS EVOLUTION (FULL SCREEN IMAGE) -->
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</section>
<!-- SLIDE 22: ACTIVITY 2 -->
<section>
<h3>🖥️ Aktivitas: Evolusi GUI</h3>
<div class="glass-card" style="padding: 20px;">
<p style="font-size: 1em; font-weight: bold; margin-bottom: 15px;">Tugas Pengamatan</p>
<div style="font-family: 'JetBrains Mono', monospace; font-size: 0.7em; background: rgba(0,0,0,0.3); padding: 10px; border-radius: 6px; margin-bottom: 15px; color: var(--color-red);">
Win98 -> 2000 -> XP -> Vista -> 7 -> 10 -> 11
</div>
<p style="font-size: 0.8em; text-align: left;">Cari gambar desktopnya, lalu diskusikan:</p>
<ul style="font-size: 0.75em; text-align: left; color: var(--text-muted);">
<li>Apa transformasi visual terbesarnya? (Flat vs Glass vs 3D)</li>
<li>Fitur apa yang "maju-mundur" (hilang timbul)?</li>
<li>OS apa yang pertama kali kalian pakai?</li>
</ul>
</div>
<p style="font-size: 0.6em; color: #7f8497; margin-top: 20px;">*Catat keaktifan di lectura.id</p>
</section>
<!-- SLIDE 23: END -->
<section data-background-gradient="linear-gradient(135deg, #1e1e2e, #11111b)">
<h1 style="font-size: 3.5em; color: var(--color-blue);">Terima Kasih</h1>
<p style="margin-top: 15px; font-size: 0.9em;">Ada Pertanyaan?</p>
<div style="margin-top: 40px; border-top: 1px solid rgba(255,255,255,0.1); padding-top: 15px; font-size: 0.7em; color: gray;">
Sistem Operasi IF25-12007
</div>
</section>
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