Number Systems Quiz

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Questions and Answers

What is the decimal equivalent of the binary number $101101$?

  • 45
  • 49
  • 47 (correct)
  • 43

What is the hexadecimal equivalent of the decimal number 255?

  • FF (correct)
  • FA
  • FD
  • F7

What is the binary equivalent of the hexadecimal number $3A$?

  • 11100
  • 11110 (correct)
  • 11111
  • 11101

What is the decimal equivalent of the binary number $11101101$?

<p>253 (B)</p> Signup and view all the answers

What is the hexadecimal equivalent of the binary number $1101101111$?

<p>DF (D)</p> Signup and view all the answers

What is the result of the expression $7 // 3$?

<p>2 (C)</p> Signup and view all the answers

Which function can be used to calculate the factorial of a number?

<p>math.factorial() (B)</p> Signup and view all the answers

What is the value of $x$ in the equation $3 * x = 15$?

<p>5 (B)</p> Signup and view all the answers

Which data type is used to store the value 3.14?

<p>Float (D)</p> Signup and view all the answers

What is the result of the expression $12 % 5$?

<p>2 (B)</p> Signup and view all the answers

Flashcards

Binary 101101 to Decimal

The decimal equivalent of the binary number 101101 is 45.

Decimal 255 to Hexadecimal

The hexadecimal equivalent of the decimal number 255 is FF.

Hexadecimal 3A to Binary

The binary equivalent of the hexadecimal number 3A is 111010.

Binary 11101101 to Decimal

The decimal equivalent of the binary number 11101101 is 237.

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Binary 1101101111 to Hexadecimal

The hexadecimal equivalent of the binary number 1101101111 is DB.

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What does // do?

The floor division operator // returns the integer part of the division.

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Factorial function

math.factorial() calculates the factorial of a number.

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Solve for x where 3 * x = 15

In the equation 3 * x = 15 , the value of x is 5.

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Data type for 3.14

The float data type is used to store numbers with decimal points, like 3.14.

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What does % do?

The modulus operator % returns the remainder of a division. 12 % 5 equals 2.

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