<span>New sources of power assist in the development of inventions since t</span>he new inventions would have been worthless without a reliable source of power energy.
Explanation:
1. Seeing people do technological innovations, so you have some motivation and inspiration to be fluent in computer
2. Try experimenting and trying stuff, like trying to learn how to code, how the internet work, etc.
3. work more with computers, for example, make a note with OneNote, making digital art with blender, adobe illustrator etc.
4. Try to learn how to be better at learning computer, like, if you do mistakes in your learning journey, try to avoid it next time
5. good luck ;)
Answer:
String word = "George slew the dragon";
int pos = word.indexOf("dr");
String drWord = word.substring(pos, pos+4);
System.out.println(drWord);
Explanation:
Assuming dr is always there, we don't have to check the validity of 'pos'. Normally, you would!
Answer:
The nature of computers and code, what they can and cannot do.
How computer hardware works: chips, cpu, memory, disk.
Necessary jargon: bits, bytes, megabytes, gigabytes.
How software works: what is a program, what is "running"
How digital images work.
Computer code: loops and logic.
Big ideas: abstraction, logic, bugs.