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🔊مینی چالش برقی!⚡️ 🦾مسابقه ای کوچک به مناسبت روز مهندس!👩‍💻 به مدت یک هفته از ۸ تا ۱۵ اسفند تا هر شب یک سوال برقی! 💥به قید قرعه به ۳ نفر برگزیده جایزه اهدا میگردد🎁 توجه داشته باشید برای جواب سوال هر شب تنها ۲۴ ساعت مهلت پاسخ دارید‼️ -.-.-.-.-.-.-.-.-.…
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سوال⁉️ در یک مدار دیجیتال، یک گیت NAND و یک گیت NOR ورودی‌های یکسانی دارند. کدام گزینه حتماً نادرست است؟
Final Results
18%
الف) اگر همه ورودی‌ها ۱ باشند، خروجی NAND و NOR برابرند.
18%
ب) اگر تمام ورودی‌ها ۰ باشند، خروجی‌های NAND و NOR برابرند.
41%
ج) برای هر ترکیب ورودی، مجموع خروجی‌های NAND و NOR برابر ۱ است.
24%
د) اگر یک ورودی تغییر کند، خروجی حداقل یکی از گیت‌ها تغییر می‌کند.
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Should You Buy Bitcoin?

In general, many financial experts support their clients’ desire to buy cryptocurrency, but they don’t recommend it unless clients express interest. “The biggest concern for us is if someone wants to invest in crypto and the investment they choose doesn’t do well, and then all of a sudden they can’t send their kids to college,” says Ian Harvey, a certified financial planner (CFP) in New York City. “Then it wasn’t worth the risk.” The speculative nature of cryptocurrency leads some planners to recommend it for clients’ “side” investments. “Some call it a Vegas account,” says Scott Hammel, a CFP in Dallas. “Let’s keep this away from our real long-term perspective, make sure it doesn’t become too large a portion of your portfolio.” In a very real sense, Bitcoin is like a single stock, and advisors wouldn’t recommend putting a sizable part of your portfolio into any one company. At most, planners suggest putting no more than 1% to 10% into Bitcoin if you’re passionate about it. “If it was one stock, you would never allocate any significant portion of your portfolio to it,” Hammel says.

Importantly, that investor viewpoint is not new. It cycles in when conditions are right (and vice versa). It also brings the ineffective warnings of an overpriced market with it.Looking toward a good 2022 stock market, there is no apparent reason to expect these issues to change.

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