How does computer distinguish a code from Chinese character code or ASCII code?

The high order of the first byte is 1, which may be the Chinese character code, or vice versa
ASCII high bit is 0

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1. 1. In microcomputers, the most commonly used character coding is () a.ascii b.bcd c.chinese character coding d.complement Full Score: 4 points 2
2. The Chinese character code specified in Chinese national standard code (GB2312-80) is used for each Chinese character
3. What is the Chinese character code of Chinese national standard code
4. What are the common Chinese character coding standards? How many areas are GB2312-80 divided into? How many bits are there in each area?
5. According to the national standard code of Chinese characters GB2312-80, what is the total amount of all kinds of symbols and first and second level Chinese characters?
6. How many binary bits are needed to represent an English letter with standard ascii code and a Chinese character with GB 2312-80 code a.7 b.8 c.16 d.32
7. In order to store 3755 first-class Chinese characters in GB 2312-80 in 16 × 16 dot matrix, it takes up about storage space
8. Help me to look up the Chinese character code in the national standard information exchange, thank you 3667 4239 4650 2136 5027 3948 What are the words
9. How to write the word Tian
10. There is a mouth above and a field below. What is it, please?
11. Analyze the function of the words in brackets in the following sentences 1. What about me? [never] lift the leaves and look inside (birds), even add food and water without opening curious eyes to disturb them 2. Open the window, it (bird) only stands on the window frame for a while at most, [never] fly out
12. I don't understand the usage of some simple words~ ①---When will you be back,Pete? ----_____ a couple of days Why can only fill in "in" but not "for"? ②____ so many people ill, i've decided to cancel the meeting. Why can only fill in with this blank, not after? ③It's been snwing for 3 days and it's quite cold these days_____ November Why can't we use as for this empty space? Why can't we use on~ ④ Is there a usage of on the phone? Is there a usage of in the phone / from the phone~ Thank you very much~
13. I don't understand its usage here Here is a sentence from an article about family members And here are Mom and Dad,and here's my older brother,Lester,again with his wife and three of their children:Nicolas ,Ryan,and Laura. How can the "again" above be used there, You ought to meet his man.He really knows how to bring a person out. Here, bring a person out
14. I don't understand the usage of this topic We have not decided ___________ to visit next month. A.where B.what C.which D.when I did a, but the answer was B What's on the line? Let's talk about the reasons
15. Don't understand English Usage He doesn't turn the lights on unless you get money to buy things with, so in the dark we look and see all kinds of things, me and Nenny What's the use of 1. With here? 2. Why do you use two words to talk about look and see?
16. In the following groups of sentences, the words in brackets have the same meaning and usage A. Chopping the wolf's head with a knife B. For a long time, the eyes seem to be in peace (it) the dog blocks it and does not make the front (it) C. More than ambition, desire is more than living D. It's the renovation of Yueyang Tower (NAI)
17. Explain the part of speech and meaning (or usage) of the words in brackets in the following sentences 4. The king is the king of literature 5. What about earth and stone?
18. Point out the usage of the words in brackets in the following sentences 1. Attack and discharge of public transport disk 2. Rhinoceros Milu (Manchu)
19. Some English usages of "others" It's like "other", "another", "the others" and "other's"
20. Is there such usage in English it's the time to do sth Is it OK to add the? Before time? Is this a specific article?