2. How many generations of digital computers have been developed?

RELATED INFORMATIONS

• 1. 1234567+1234567=
• 2. 99999, 123456, 909876, 900098, 11111111, 1234567, 9876543, 234567890 English translation
• 3. How to pronounce 1234567 in music?
• 4. Add mathematical symbols bracket also calculate, 1234 = 8 12345 = 8 123456 = 8 1234567 = 8 12345678 = 8
• 5. How to compare two numbers
• 6. How to compare the size of two numbers?
• 7. How to compare two numbers?
• 8. Compare the size of two numbers √ (5 / 12) + √ (1 / 5) and √ (1 / 3) + √ (2 / 7)
• 9. How do you compare the two numbers? Which number is bigger, 2S / (V1 + V2) or s (V1 + V2) / 2v1v2?
• 10. Compare the size of the following two numbers - √ 7 and - 3 6 and & # 179; √ 215 2 and (√ 11 + 1 /) / 2
• 11. Why can calculators work? Tell me from the perspective of digital electronics,
• 12. When was the world's first electronic digital computer born
• 13. The main characteristics of electronic digital computer
• 14. How can 123456789 be equal to 555 If so, I can also know that each number can only be used once`
• 15. How does 123456789 calculate equal to 99
• 16. What does E-4 mean after the number in the calculator
• 17. Why is 2 + 5 equal to 7000000? It seems that there is one more Rix. How can it be eliminated?
• 18. Thank you
• 19. Use the substitution method to solve the following equations, do not give the answer directly （1） 3x + 4y = 16 ① 5x - 6y = 33 ② （2）4（x-y-1）= 3（1-y）- 2 ① x/2 + y/3 =2 ②
• 20. Multiplication of two numbers equals addition of two numbers What's the trick?