Digital Systems Concepts Quiz (20 Questions)

1. Which of the following best describes the difference between analog and digital quantities?

2. In the binary number system, what do the values '1' and '0' typically represent in a digital circuit?

3. Why are binary numbers ideally suited for computational processes in digital devices?

4. What does the 'radix' or 'base' of a number system indicate?

5. Which of the following is NOT listed as a reason for the increasing adoption of digital technology?

6. What is the base or radix of the decimal number system, and what digits does it use?

7. How are binary numbers typically denoted to distinguish them from other number systems?

8. What is the primary advantage of using Octal and Hexadecimal number systems in computer science compared to binary?

9. When converting a decimal number to binary using the 'Direct Method', what is the first step?

10. What is the key procedure for converting a binary number to an octal number?

11. To convert an octal number to its binary equivalent, what action should be taken for each octal digit?

12. What is the final step in converting a decimal number to either octal or hexadecimal using the 'Successive Division' method?

13. What is the primary characteristic that distinguishes a weighted binary code from an unweighted binary code?

14. What makes the BCD (Binary Coded Decimal) code convenient for interfacing with numerical display systems?

15. For what purpose are 'carries and borrows' crucial in binary arithmetic?

16. How are carry-over operations in binary addition analogous to those in decimal arithmetic?

17. What are the two common methods for representing negative numbers using binary digits in computer systems?

18. How is the diminished radix complement (r-1)'s complement of a number found in a positional numeral system?

19. What is the primary purpose of using 'code' in digital systems, as described in the text?

20. What is the main distinction regarding the use of unweighted BCD codes compared to weighted BCD codes?