Mastering Number Systems: Binary, Decimal, Octal, and Hexadecimal Essentials Quiz

1. Binary Basics

   What is the decimal equivalent of the binary number 1010?

   1. A. 8
   2. B. 10
   3. C. 12
   4. D. 14
   5. E. 16

2. Octal to Decimal

   If you have the octal number 25, what is its value in decimal?

   1. A. 17
   2. B. 18
   3. C. 21
   4. D. 20
   5. E. 22

3. Hexadecimal Conversion

   What is the hexadecimal equivalent of the decimal number 15?

   1. A. D
   2. B. E
   3. C. F
   4. D. G
   5. E. H

4. Decimal to Binary

   How would you write the decimal number 7 in binary format?

   1. A. 111
   2. B. 101
   3. C. 110
   4. D. 100
   5. E. 011

5. Octal Identification

   Which of the following is NOT a valid octal number?

   1. A. 73
   2. B. 45
   3. C. 27
   4. D. 56
   5. E. 31

6. Single Hex Digit Value

   What is the decimal value of the single hexadecimal digit 'A'?

   1. A. 8
   2. B. 9
   3. C. 10
   4. D. 11
   5. E. 12

7. Hexadecimal to Decimal

   Convert the hexadecimal number '2B' to its decimal equivalent.

   1. A. 41
   2. B. 43
   3. C. 33
   4. D. 37
   5. E. 51

8. Binary Number Form

   Which of these numbers is a valid binary number?

   1. A. 1002
   2. B. 1101
   3. C. 1021
   4. D. 1201
   5. E. 2100

9. Decimal to Octal

   What is the octal representation of the decimal number 16?

   1. A. 12
   2. B. 16
   3. C. 20
   4. D. 21
   5. E. 24

10. Counting Systems

    How many unique symbols (or digits) are used in the hexadecimal number system?

    1. A. 8
    2. B. 10
    3. C. 12
    4. D. 16
    5. E. 20