HP Computer Practice Set 52 | Interactive MCQ Mock Test

1. If a binary number ends with two digits, what should you do before grouping for octal conversion?

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A. Ignore the remaining digits and group what you can B. Add two zeros to the left regardless of digits left C. Add one zero to the left to make a complete group of three digits D. Add one zero to the right to make a complete group

2. If a binary number ends with two digits, what should you do before grouping for octal conversion?

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A. Ignore the remaining digits and group what you can B. Add two zeros to the left regardless of digits left C. Add one zero to the left to make a complete group of three digits D. Add one zero to the right to make a complete group

3. If a binary number ends with two digits, what should you do before grouping for octal conversion?

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A. Ignore the remaining digits and group what you can B. Add two zeros to the left regardless of digits left C. Add one zero to the left to make a complete group of three digits D. Add one zero to the right to make a complete group

4. If a binary number ends with two digits, what should you do before grouping for octal conversion?

Computer 📄 JOA IT (2026)

A. Ignore the remaining digits and group what you can B. Add two zeros to the left regardless of digits left C. Add one zero to the left to make a complete group of three digits D. Add one zero to the right to make a complete group

5. If a binary number ends with two digits, what should you do before grouping for octal conversion?

Computer 📄 JOA IT (2026)

A. Ignore the remaining digits and group what you can B. Add two zeros to the left regardless of digits left C. Add one zero to the left to make a complete group of three digits D. Add one zero to the right to make a complete group

6. If a binary number ends with two digits, what should you do before grouping for octal conversion?

Computer 📄 JOA IT (2026)

A. Ignore the remaining digits and group what you can B. Add two zeros to the left regardless of digits left C. Add one zero to the left to make a complete group of three digits D. Add one zero to the right to make a complete group

7. If a binary number ends with two digits, what should you do before grouping for octal conversion?

Computer 📄 JOA IT (2026)

A. Ignore the remaining digits and group what you can B. Add two zeros to the left regardless of digits left C. Add one zero to the left to make a complete group of three digits D. Add one zero to the right to make a complete group

8. Which type of key is a set of one or more columns that can uniquely identify a record, but may not be the minimal set?

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A. Foreign key B. Primary key C. Super key D. Candidate key

9. Which type of key is a set of one or more columns that can uniquely identify a record, but may not be the minimal set?

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A. Foreign key B. Primary key C. Super key D. Candidate key

10. Which type of key is a set of one or more columns that can uniquely identify a record, but may not be the minimal set?

Computer 📄 JOA IT (2026)

A. Foreign key B. Primary key C. Super key D. Candidate key

11. Which type of key is a set of one or more columns that can uniquely identify a record, but may not be the minimal set?

Computer 📄 JOA IT (2026)

A. Foreign key B. Primary key C. Super key D. Candidate key

12. Which type of key is a set of one or more columns that can uniquely identify a record, but may not be the minimal set?

Computer 📄 JOA IT (2026)

A. Foreign key B. Primary key C. Super key D. Candidate key

13. Which type of key is a set of one or more columns that can uniquely identify a record, but may not be the minimal set?

Computer 📄 JOA IT (2026)

A. Foreign key B. Primary key C. Super key D. Candidate key

14. Which type of key is a set of one or more columns that can uniquely identify a record, but may not be the minimal set?

Computer 📄 JOA IT (2026)

A. Foreign key B. Primary key C. Super key D. Candidate key

15. Which type of key is a set of one or more columns that can uniquely identify a record, but may not be the minimal set?

Computer 📄 JOA IT (2026)

A. Foreign key B. Primary key C. Super key D. Candidate key

16. Which combination best describes the primary objectives of a DBMS?

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