2021年6月の記事一覧
CS Crash Course: #5 How Computers Calculate - the ALU
Intro- Representing and storing numbers is an important funtion of a computer, but the real goal is computation, or manipulating numbers in a structured and purposeful way, like adding two numbers tog
もっとみるCS Crash Course: #3 Boolean Logic & Logic Gates
- In the last episode, discussed how computers evolved from "electromechanical devices," which often had decimal representations of numbers like those represented by teeth on a gear, to "electronic co
もっとみるCS Crash Course: #2 Electronic Computing
3: Electronic Computing
- Today, computers use transistors that are smaller than 50 nanometers in size -- for reference, a sheet of paper is roughly 100,000 nanometers thick. 1 mm = 1,000,000 nanomet
CS Crash Course: #4 Representing Numbers and Letters with Binary
- Each of these binary digits, 1 or 0, is called a "bit."
- You might have heard of 8-bit computers, or 8-bit graphics or audio. These were computers that did most of their operations in chunks of 8