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Computer Science Test – Number Bases, Algorithms, Programming & Computer Fundamentals (2024/2025, Verified Questions with Correct Answers)

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This document contains a verified set of exam questions and correct answers covering core areas of introductory computer science: number base conversions (binary, decimal, hexadecimal), algorithm design and flowcharts, programming logic (with syntax examples), and computer system fundamentals (hardware, software, and data processing). Ideal for students in early computer science or IT programs, this test review is structured to support academic success and exam readiness for 2024–2025.

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Computer science test on (Number bases, Algorithms,
Programming, and Computers)


1. how to convert from binary to denary: Make a table with the powers of 2
and do as shown in the photo



2. convert 0110 0111 (Binary) into denary: 103
3. convert 1100 1010 (Binary) into denary: 202
4. convert 0011 0111 (Binary) into denary: 55
5. convert 1010 1010 (Binary) into denary: 170
6. convert 43 (denary) into binary: 0010 1011
7. convert 123 (denary) into binary: 0111 1011
8. convert 83 (denary) into binary: 0101 0011


1/5

, 9. convert 108 (denary) into binary: 0110 1100
10. What is hexadecimal?: Base 16. Hex uses characters 0 through F.




11. Convert 11 (hex) to denary: 17
12. convert 73 (hex) to denary: 115
13. convert b6 (hex) to denary: 182
14. convert e9 to denary: 233



15. How to convert binary to hex: IMAGE
16. Convert 0110 1100 (binary ) into hex: 6c
17. convert 0100 0111 (binary ) into hex: 47
18. convert 1110 1011 (binary ) into hex: eb
19. convert 1111 0001: f1



20. How to convert from hex to binary: IMAGE
21. convert b5 (hex) to binary: 1011 0101 22. convert ea (hex) to binary: 1110
1010
23. convert 3d (hex) to binary: 0011 1101
24. convert 95 (hex) to binary: 1001 0101
25. how to multiply binary by powers of 2: shift by the power and add a 0
2/5

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