Reshenie Primerov Po Informatike Dlia 8 Klassa [LATEST – 2025]

Test your knowledge with these typical 8th-grade exam questions. A) 256 bytes B) 512 bytes C) 2 bytes Q2. What is the decimal value of the binary number 101021010 sub 2 ? Q3. For which of the following values of is the statement (X < 15) AND (X is even) TRUE? 🔑 Answer Key & Explanations

In 8th grade, students learn to convert numbers between decimal, binary, octal, and hexadecimal systems. Example 2: Convert Decimal to Binary Convert the decimal number 371037 sub 10 to the binary system. reshenie primerov po informatike dlia 8 klassa

Multiply each digit by 2 raised to the power of its position (starting from 0 on the right): Test your knowledge with these typical 8th-grade exam

📌 Topic 3: Boolean Logic (Элементы алгебры логики) Multiply each digit by 2 raised to the

To convert bits to bytes, divide by 8 ( ). Options B and C are mathematically incorrect. Q2: 🟢 B) 10. . Options A and C do not match the calculation.

Find the value of the logical expression (X > 5) AND NOT (X > 10) for Solution: Substitute into the expression: : This is True (1). : This is False (0). Apply the NOT operation: NOT FalseNOT False = True (1). Combine with AND: True AND TrueTrue AND True = True . 💡 Answer: True (Истина) 🎓 Practice Quiz