Number System

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Question 1

How many symbols are there in the Hexadecimal number system?

  • 16

  • 15

  • 8

  • 7

Question 2

Which of the following is a valid hexadecimal digit?

  • 10

  • Z

  • F

  • 20

Question 3

Convert the binary number 1010 to decimal

  • 10

  • 8

  • 5

  • 6

Question 4

What is the 1's complement of the binary number 1010?

  • 0101

  • 1101

  • 1111

  • 1001

Question 5

Which number system includes both rational and irrational numbers?

  • Natural numbers

  • Whole numbers

  • Integers

  • Real numbers

Question 6

Which of the following is not a prime?

  • 17

  • 23

  • 29

  • 39

Question 7

What is the 6th term in the Fibonacci sequence (starting with 0, 1)?

  • 3

  • 5

  • 8

  • 13

Question 8

What is the decimal equivalent of the hexadecimal number (1F)₁₆?

  • 31

  • 30

  • 25

  • 41

Question 9

Which number theory concept is essential for RSA encryption?

  • Fibonacci Numbers

  • Large Prime Factorization

  • Even/Odd Parity

  • Modular Addition

Question 10

What is the primary purpose of a hash function in computer science?

  • To encrypt data securely.

  • To convert data of any size into a fixed-size value (like a fingerprint).

  • To sort numbers in ascending order.

  • To generate random numbers.

There are 12 questions to complete.

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