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4. Bits & Bytes: 1 byte = 8 bits ;bit只存储1或0的信息(*),8个为一组,组成的一个Byte有256种排列组合方式(也即:取值范围),0-255,所以之前课上图片的示例中,像素的取值范围最高到255,一个byte为单位进行数据存储。(*教授生动的举例视频1分20秒:Course | edX) 5. 计算机数据计量单位:KB-->MB--...
Alison: "ALISON ABC IT" is a free online information technology course that teaches everyday computing as it relates to work and life. The course focuses on Microsoft Office applications and touch typing. Topics include computer software and hardware, file management, IT safety, email, and word ...
Course Description Learn some very important concepts by practice ..Computer Science in today's increasingly digital world is an important factor, hence making its utmost importance when applied in various aspects in our lives. A few reasons why computer science is a necessity are given below:1....
explore content and projects that appeal to you work with an instructor to find your passion utilize the best tools and software to complete your goals course format this computer science lesson is one option among over 30 topics in each private lesson package. upon purchasing a package, you’...
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From time immemorial, mankind has had controversial conversations about leaps made in science. In the 21st century, these conversations revolve around technology, specifically the use of Artificial Intelligence – AI – in the use of everyday lives. We all use ‘smart’ technology without really re...
Over three weeks, you’ll learn about the function of computer hardware, including input and output devices. You’ll explore different types of software and learn about some security considerations. This free course contains peer led discussions and trainer interaction. You’ll also get feedback on...
Explore the 6-12 Course Catalog Introduction to Computer Science in JavaScript Learn More Physical Computing with micro:bit Learn More Introduction to Computer Science in Python Learn More Fundamentals of Cybersecurity Learn More “ The CodeHS system handles SO MUCH administrative overhead, and...
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