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【Daily Question No. 19】September 21, 2015: +2 wealth for participation, +3 wealth for a correct answer

2015-09-21View Original

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This post was last edited by hamiltontai on 2015-9-22 at 08:44. To boost activity on the desktop version, a daily question challenge is now in effect: participants earn +2 wealth points, and those who answer correctly receive an additional +3 wealth points. This initiative aims to enliven the atmosphere of this forum, promote basic computer knowledge, and offer rewards in the form of wealth points to its users. The current question arrangement for the question bank includes: \"National Computer Rank Examination Level 1\", \"EXCEL Final Exam Questions\", \"WORD Final Exam Questions\", and \"Fundamentals of Photography\": Monday: **National Computer Rank Examination Level 1** ; Tuesday: EXCEL ; Wednesday: WORD ; Thursday: Basics of Photography ; Friday: EXCEL ; Saturdays and Sundays: Closed. A small flower is awarded for the first correct answer~~ Binary is used in computers because ( ). A) It can reduce hardware costs. B) Systems with two states exhibit stable performance. C) The arithmetic rules of binary are simple. D) Computers cannot recognize data in other bases. Answer: ABC. Reply with the answers you think are correct; participating in the quiz earns +2 wealth points (points are added automatically according to the rules; no additional points or comments will be given if your answer is incorrect). An additional +3 wealth points will be awarded if all questions are answered correctly, and there are extra points available for providing detailed explanations or analyses of the questions and answers. The answer will be visible after the reply. Note: We will close this post after 24 hours. What would you like the content of the daily question to be? Basic knowledge of computer hardware and software? EXCEL operations? Camera parameters? Or, in addition to answering the questions, feel free to share your suggestions for the daily quiz. Now it’s time for some advertising~~ You’re invited to participate in the Life Zone event; to register and learn about the rewards available, click on the link below~ Here is the link: [University Event] For our fleeting memories of youth. There are rewards available for participating in this event~ Event dates: 2015-9-7–2015-11-7
Reply #22015-09-21
I think it’s D; the structure of a computer is made up of various AND, OR, and NOT gates
Reply #32015-09-21
Option C: The arithmetic rules for binary are simple.
Reply #42015-09-21
In computers, binary numbers, which consist of only the two basic symbols “0” and “1”, are widely used instead of the decimal system that people are accustomed to. The reasons for this are as follows: (1) Binary numbers are the easiest to implement physically. For example, “1” and “0” can be represented by just two voltage levels – high and low – or by the presence or absence of pulses, or by the positive or negative polarity of those pulses. (2) The rules for encoding, counting, and performing addition and subtraction operations using binary numbers are simple. (3) The two symbols of binary numbers, “1” and “0”, correspond exactly to the two values of logical propositions: “true” and “false”, which facilitates the execution of logical operations and logical judgments in programs. (4) Since binary numbers use only the two symbols 0 and 1, they are highly reliable during storage, processing, and transmission, with fewer chances of errors. This also enhances the stability and reliability of the computer itself.
Reply #52015-09-21
Binary is used in computers because (B). A) It can reduce hardware costs. B) Systems with two states exhibit stable performance. C) Binary arithmetic rules are simple. D) Computers cannot recognize data in other bases
Reply #62015-09-21
Binary is used in computers because (D).
Reply #72015-09-21
A) It can reduce hardware costs. B) A system with two states has stable performance. C) The arithmetic rules of binary are simple
Reply #82015-09-21
Binary is used in computers because (D). A) It can reduce hardware costs. B) Systems with two states exhibit stable performance. C) Binary arithmetic rules are simple. D) Computers cannot recognize data in other bases
Reply #92015-09-21
C---------------------------
Reply #102015-09-21
Binary is used in computers because (abc).

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