https://wiki.omnivision.website/index.php?action=history&feed=atom&title=4.1.1.3_Stacks_%28LIFO%29 2026-08-22T05:10:28Z Revision history for this page on the wiki MediaWiki 1.43.9 https://wiki.omnivision.website/index.php?title=4.1.1.3_Stacks_(LIFO)&diff=205&oldid=prev 2025-07-09T14:30:12Z

<p>Created page with &quot;=== 4.1.1.3 Stacks: Last In, First Out (LIFO) === Imagine a stack of plates. When you put a new plate on, it goes on top. When you take a plate off, you always take the one from the very top. A &#039;&#039;&#039;stack&#039;&#039;&#039; in computer science works exactly like this! It follows a rule called &#039;&#039;&#039;LIFO&#039;&#039;&#039;, which stands for &#039;&#039;&#039;Last In, First Out&#039;&#039;&#039;. The last item you put &#039;&#039;in&#039;&#039; the stack is always the first item you can take &#039;&#039;out&#039;&#039;. * &#039;&#039;&#039;Putting items on a stack is called &quot;pushing.&quot;&#039;&#039;&#039; (L...&quot;</p> <p><b>New page</b></p><div>=== 4.1.1.3 Stacks: Last In, First Out (LIFO) ===<br /> Imagine a stack of plates. When you put a new plate on, it goes on top. When you take a plate off, you always take the one from the very top. A &#039;&#039;&#039;stack&#039;&#039;&#039; in computer science works exactly like this!<br /> <br /> It follows a rule called &#039;&#039;&#039;LIFO&#039;&#039;&#039;, which stands for &#039;&#039;&#039;Last In, First Out&#039;&#039;&#039;. The last item you put &#039;&#039;in&#039;&#039; the stack is always the first item you can take &#039;&#039;out&#039;&#039;.<br /> <br /> * &#039;&#039;&#039;Putting items on a stack is called &quot;pushing.&quot;&#039;&#039;&#039; (Like pushing a plate onto the stack)<br /> * &#039;&#039;&#039;Taking items off a stack is called &quot;popping.&quot;&#039;&#039;&#039; (Like popping a plate off the top)<br /> * &#039;&#039;&#039;Examples of Stacks in real life:&#039;&#039;&#039;<br /> ** The &quot;Undo&quot; button in a program: The last thing you did is the first thing you can undo.<br /> ** The &quot;Back&quot; button in a web browser: The last page you visited is the first one you go back to.<br /> <br /> ==== Bibliography for Stacks ====<br /> <br /> * &#039;&#039;&#039;Kiddle:&#039;&#039;&#039; [https://kids.kiddle.co/Stack_(data_structure) Data structure Facts for Kids (Stack)]<br /> * &#039;&#039;&#039;Shopify Blog:&#039;&#039;&#039; [https://www.shopify.com/blog/what-is-lifo What Is Last In First Out (LIFO)? Definition and Guide]</div>

Mr. Goldstein