{"id":2435,"date":"2026-03-11T16:43:30","date_gmt":"2026-03-11T08:43:30","guid":{"rendered":"https:\/\/www.tekno.bali-island.com\/?p=2435"},"modified":"2026-03-11T16:43:30","modified_gmt":"2026-03-11T08:43:30","slug":"understanding-each-computer-component","status":"publish","type":"post","link":"https:\/\/tekno.bali-island.com\/en\/articles\/understanding-each-computer-component\/","title":{"rendered":"Understanding Each Computer Component"},"content":{"rendered":"\n<p>Talking about computer internals or PC guts sometimes feels like learning an alien language. There are so many acronyms that make your head spin: CPU, GPU, RAM, SSD, PSU, and their buddies. But actually, if we use the right analogies, understanding computer components is really easy.\u200b<\/p>\n\n\n\n<p>A computer is basically very similar to a restaurant or our daily workspace. Each component has a specific task, and if even one is slow or problematic, the entire system will be hindered (or what we usually call&nbsp;<em>bottleneck<\/em>).\u200b<\/p>\n\n\n\n<p>So, to not get confused anymore when wanting to assemble a PC, buy a laptop, or just want to understand how the machine in front of you works to run applications or compile code, let&#8217;s dissect the meaning of each computer component using everyday language that&#8217;s easy to understand!\u200b<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>1. Motherboard<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/www.tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/Motherboard-Asus-ROG-1024x576.webp\" alt=\"Motherboard Asus ROG\" class=\"wp-image-2355\" srcset=\"https:\/\/tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/Motherboard-Asus-ROG-1024x576.webp 1024w, https:\/\/tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/Motherboard-Asus-ROG-300x169.webp 300w, https:\/\/tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/Motherboard-Asus-ROG-200x113.webp 200w, https:\/\/tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/Motherboard-Asus-ROG-768x432.webp 768w, https:\/\/tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/Motherboard-Asus-ROG-1200x675.webp 1200w, https:\/\/tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/Motherboard-Asus-ROG-480x270.webp 480w, https:\/\/tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/Motherboard-Asus-ROG.webp 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><strong>Analogy: House foundation or highway infrastructure.<\/strong><\/p>\n\n\n\n<p>Motherboard (often abbreviated as mobo) is the main circuit board that&#8217;s fairly large in size. True to its name, it is the &#8220;mother&#8221; that unites all the other &#8220;child&#8221; components.\u200b<\/p>\n\n\n\n<p>All items from processor, RAM, graphics card, to USB ports must be attached or connected here. Mobo has complex circuit paths that serve as toll roads to send data between components. If you buy a motherboard, you must ensure the &#8220;socket&#8221; or connector matches the processor you want to use. It&#8217;s like you can&#8217;t put a car (processor) into a garage (mobo socket) that&#8217;s the wrong size.\u200b<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>2. CPU \/ Central Processing Unit (Processor)<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/www.tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/CPU-Intel-1024x576.webp\" alt=\"CPU Intel\" class=\"wp-image-2365\" srcset=\"https:\/\/tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/CPU-Intel-1024x576.webp 1024w, https:\/\/tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/CPU-Intel-300x169.webp 300w, https:\/\/tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/CPU-Intel-200x113.webp 200w, https:\/\/tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/CPU-Intel-768x432.webp 768w, https:\/\/tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/CPU-Intel-1200x675.webp 1200w, https:\/\/tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/CPU-Intel-480x270.webp 480w, https:\/\/tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/CPU-Intel.webp 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><strong>Analogy: Human brain or main chef in a restaurant.<\/strong><\/p>\n\n\n\n<p>CPU is the brain of the computer. The most famous brands are usually Intel (Core i3, i5, i7) and AMD (Ryzen). Its size is small, box-shaped, but the price can make your wallet cry.\u200b<\/p>\n\n\n\n<p>CPU&#8217;s task is to receive commands, think about them, then execute them. For example, when you&#8217;re opening a text editor app, running a&nbsp;<em>local server<\/em>, or coding a fairly complex website, the CPU is the one thinking hard to process all lines of code and instructions.\u200b<\/p>\n\n\n\n<p>CPU has what&#8217;s called &#8220;Core&#8221; (core) and &#8220;Thread&#8221;. Back to the restaurant analogy, one Core is like one chef. If your processor has 8 cores, that means there are 8 chefs in the kitchen ready to cook together. The more cores and the higher its working speed (usually measured in GHz), the faster the computer finishes heavy work without lagging.\u200b<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>3. RAM \/ Random Access Memory<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/www.tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/RAM-1024x576.webp\" alt=\"RAM\" class=\"wp-image-2375\" srcset=\"https:\/\/tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/RAM-1024x576.webp 1024w, https:\/\/tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/RAM-300x169.webp 300w, https:\/\/tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/RAM-200x113.webp 200w, https:\/\/tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/RAM-768x432.webp 768w, https:\/\/tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/RAM-1200x675.webp 1200w, https:\/\/tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/RAM-480x270.webp 480w, https:\/\/tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/RAM.webp 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><strong>Analogy: Work desk or kitchen table.<\/strong><\/p>\n\n\n\n<p>RAM is short-term storage memory. Why need short-term memory? Like this, imagine you&#8217;re working. Books, pens, and laptop you&#8217;re using must be placed on the desk for easy access, right? Well, RAM is your work desk.\u200b<\/p>\n\n\n\n<p>Every time you open an app (like opening many tabs in Google Chrome, opening terminal, plus opening Spotify at once), the computer will move data from the storage warehouse (Hard disk\/SSD) to the desk (RAM) so CPU can access it very quickly.\u200b<\/p>\n\n\n\n<p>If your RAM is small (desk is cramped), automatically not many items can be placed there. As a result, if you open many apps, your computer will feel&nbsp;<em>laggy<\/em>&nbsp;or slow because it has to bother going back and forth fetching data from the warehouse. That&#8217;s why having ample RAM (current standard minimum 8GB or safer 16GB) makes the computer feel smooth when used for&nbsp;<em>multitasking<\/em>.\u200b<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>4. Storage \/ Storage (HDD &amp; SSD)<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/www.tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/HDD-1024x576.webp\" alt=\"HDD\" class=\"wp-image-2385\" srcset=\"https:\/\/tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/HDD-1024x576.webp 1024w, https:\/\/tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/HDD-300x169.webp 300w, https:\/\/tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/HDD-200x113.webp 200w, https:\/\/tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/HDD-768x432.webp 768w, https:\/\/tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/HDD-1200x675.webp 1200w, https:\/\/tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/HDD-480x270.webp 480w, https:\/\/tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/HDD.webp 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><strong>Analogy: Filing cabinet or storage warehouse.<\/strong><\/p>\n\n\n\n<p>If RAM was the work desk (short-term), then Storage is the cabinet or warehouse where you store all items (long-term). Operating system (Windows, MacOS, Linux), games, ex photos, to website project files full of thousands of code lines, all stored here and won&#8217;t disappear even if the computer is turned off.\u200b<\/p>\n\n\n\n<p>In the past, people used&nbsp;<strong>HDD (Hard Disk Drive)<\/strong>. This is like an old warehouse using spinning iron discs. Finding items in HDD is a bit slow because the needle has to spin around first to find the file location.\u200b<\/p>\n\n\n\n<p>Now, it&#8217;s the era of&nbsp;<strong>SSD (Solid State Drive)<\/strong>. SSD has no moving parts, all using&nbsp;<em>memory chips<\/em>. This is like a super modern warehouse where the door is automatic and items can be grabbed in milliseconds. There&#8217;s also an SSD variant called NVMe (shaped small like a long gum) whose speed can be dozens of times faster than regular HDD. If your computer uses SSD, the booting process or loading heavy apps feels super instant.\u200b<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>5. GPU \/ Graphics Processing Unit (VGA Card)<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/www.tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/GPU-Zotac-1024x576.webp\" alt=\"GPU Zotac\" class=\"wp-image-2426\" srcset=\"https:\/\/tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/GPU-Zotac-1024x576.webp 1024w, https:\/\/tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/GPU-Zotac-300x169.webp 300w, https:\/\/tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/GPU-Zotac-200x113.webp 200w, https:\/\/tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/GPU-Zotac-768x432.webp 768w, https:\/\/tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/GPU-Zotac-1200x675.webp 1200w, https:\/\/tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/GPU-Zotac-480x270.webp 480w, https:\/\/tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/GPU-Zotac.webp 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><strong>Analogy: Artist or visual designer.<\/strong><\/p>\n\n\n\n<p>CPU is smart and can handle images, but it easily gets overwhelmed if asked to draw thousands of 3D pixels every second. This is where GPU (graphics card) comes in.\u200b<\/p>\n\n\n\n<p>GPU is the component specifically tasked to process graphics or visuals to display on the monitor screen. If you only use the computer for typing articles, checking website SEO, or managing server, usually no need for extra GPU because CPU has a small built-in GPU (called&nbsp;<em>Integrated Graphics<\/em>).\u200b<\/p>\n\n\n\n<p>But if you want to play HD graphics games, edit high-res videos, or render 3D logo designs, you need&nbsp;<em>Dedicated GPU<\/em>&nbsp;(separate graphics card) that&#8217;s bulky, has its own fan, and super powerful (like NVIDIA RTX or AMD Radeon series). GPU is like a speedy artist focused only on painting image details to your screen non-stop.\u200b<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>6. PSU \/ Power Supply Unit<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/www.tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/PSU-1024x576.webp\" alt=\"PSU\" class=\"wp-image-2395\" srcset=\"https:\/\/tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/PSU-1024x576.webp 1024w, https:\/\/tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/PSU-300x169.webp 300w, https:\/\/tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/PSU-200x113.webp 200w, https:\/\/tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/PSU-768x432.webp 768w, https:\/\/tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/PSU-1200x675.webp 1200w, https:\/\/tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/PSU-480x270.webp 480w, https:\/\/tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/PSU.webp 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><strong>Analogy: Heart or electric generator.<\/strong><\/p>\n\n\n\n<p>PSU shape is just an iron box with many cables like an octopus coming out of its belly. Although it doesn&#8217;t make the computer faster,&nbsp;<strong>never be stingy buying PSU!<\/strong>\u200b<\/p>\n\n\n\n<p>Computer components can&#8217;t be plugged directly to PLN electricity because household current is unstable and different type. PSU sucks electricity from wall socket, tidies the voltage, then distributes it to Motherboard, CPU, GPU, and others with proper portions.\u200b<\/p>\n\n\n\n<p>Like the heart, if PSU is fake, the &#8220;blood&#8221; flow (electricity) to other components can stutter, spike, or short-circuit. If PSU explodes, other million-rupiah components can be ruined. Choose PSU with at least &#8220;80 Plus&#8221; certification (Bronze, Gold) for power efficiency guarantee.\u200b<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>7. Cooling System (Cooling System)<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/www.tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/fan-pc-1024x576.webp\" alt=\"fan pc\" class=\"wp-image-2405\" srcset=\"https:\/\/tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/fan-pc-1024x576.webp 1024w, https:\/\/tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/fan-pc-300x169.webp 300w, https:\/\/tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/fan-pc-200x113.webp 200w, https:\/\/tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/fan-pc-768x432.webp 768w, https:\/\/tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/fan-pc-1200x675.webp 1200w, https:\/\/tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/fan-pc-480x270.webp 480w, https:\/\/tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/fan-pc.webp 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><strong>Analogy: AC or fan in workspace.<\/strong><\/p>\n\n\n\n<p>Electronic components working hard (especially CPU and GPU) produce heat. Heat is the main enemy of electronics. If computer overheats, performance auto-throttles to avoid melting (cool term&nbsp;<em>thermal throttling<\/em>).\u200b<\/p>\n\n\n\n<p>That&#8217;s why computers need cooling. Usually a fan attached on CPU, plus special paste (<em>thermal paste<\/em>) smeared between CPU and fan for quick heat transfer. High-end PCs use liquid cooling like car radiator.\u200b<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>8. PC Casing<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/www.tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/case-pc-1024x576.webp\" alt=\"case pc\" class=\"wp-image-2415\" srcset=\"https:\/\/tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/case-pc-1024x576.webp 1024w, https:\/\/tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/case-pc-300x169.webp 300w, https:\/\/tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/case-pc-200x113.webp 200w, https:\/\/tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/case-pc-768x432.webp 768w, https:\/\/tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/case-pc-1200x675.webp 1200w, https:\/\/tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/case-pc-480x270.webp 480w, https:\/\/tekno.bali-island.com\/wp-content\/uploads\/2026\/03\/case-pc.webp 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><strong>Analogy: House or body frame.<\/strong><\/p>\n\n\n\n<p>Casing is the box where all previous components are assembled. Not just for style or RGB lights. Good casing designed for good air circulation (<em>airflow<\/em>). Must draw cool air in, expel hot air out. Bad airflow overheats components like in an oven.\u200b<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>How They All Work Together?<\/strong><\/h2>\n\n\n\n<p>To visualize better, imagine pressing Power on your PC:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>PSU<\/strong>\u00a0wakes up, takes electricity from wall, flows to\u00a0<strong>Motherboard<\/strong>.\u200b<\/li>\n\n\n\n<li><strong>Motherboard<\/strong>\u00a0tells\u00a0<strong>CPU<\/strong>, &#8220;Hey, wake up, boss pressed power!&#8221;\u200b<\/li>\n\n\n\n<li><strong>CPU<\/strong>\u00a0searches OS file (Windows) in\u00a0<strong>Storage (SSD\/HDD)<\/strong>.\u200b<\/li>\n\n\n\n<li>Since direct CPU to SSD access takes time, OS and programs temporarily loaded to\u00a0<strong>RAM<\/strong>\u00a0for faster access.\u200b<\/li>\n\n\n\n<li>Once ready on RAM,\u00a0<strong>CPU<\/strong>\u00a0orders\u00a0<strong>GPU<\/strong>\u00a0to &#8220;draw&#8221; Windows desktop to monitor.\u200b<\/li>\n\n\n\n<li>Voila! Computer lights up ready for work.\u200b<\/li>\n<\/ol>\n\n\n\n<p>Understanding these components makes us wiser for&nbsp;<em>upgrading<\/em>. E.g., slow with many&nbsp;<em>software<\/em>&nbsp;or browser tabs? Add&nbsp;<strong>RAM<\/strong>, not CPU. Slow boot from off to desktop? Replace old HDD with&nbsp;<strong>SSD<\/strong>.\u200b<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Talking about computer internals or PC guts sometimes feels like learning an alien language. There are so many acronyms that make your head spin: CPU, GPU, RAM, SSD, PSU, and their buddies. But actually, if we use the right analogies, understanding computer components is really easy.\u200b A computer is basically very similar to a restaurant or our daily workspace. Each component has a specific task, and if even one is slow or problematic, the entire system will be hindered (or what we usually call&nbsp;bottleneck).\u200b So, to not get confused anymore when wanting to assemble a PC, buy a laptop, or just want to understand how the machine in front of you works to run applications or compile code, let&#8217;s dissect the meaning of each computer component using everyday language that&#8217;s easy to understand!\u200b 1. Motherboard Analogy: House foundation or highway infrastructure. Motherboard (often abbreviated as mobo) is the main circuit board that&#8217;s fairly large in size. True to its name, it is the &#8220;mother&#8221; that unites all the other &#8220;child&#8221; components.\u200b All items from processor, RAM, graphics card, to USB ports must be attached or connected here. Mobo has complex circuit paths that serve as toll roads to send data &hellip;<\/p>\n","protected":false},"author":1,"featured_media":2345,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[49],"tags":[],"class_list":["post-2435","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-computers-en"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Understanding Each Computer Component<\/title>\n<meta name=\"description\" content=\"Confused with CPU, RAM, or GPU terms? 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