Computer Arithmetic And Number System Test Online

Maan AliLast Updated: October 15, 2025

Important Computer Arithmetic And Number System Question and Answer

Total Questions: 25
Time Allowed: 15 Minutes
Total Marks: 25
How to Attempt Test: Please choose the right Option in MCQ-type question.
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Computer Arithmetic And Number System Practice Test Online With Explanation

 

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Engineering Subject

1. Number 375 10 is equivalent in binary system to ?

2. What is the octal equivalent of the binary number: 10111101 ?

A = 675 8 B = 275 8 C = 572 8 D = 573 8

3. A letter, number, or a special character is represented by a ?

4. The number ABC in Hexadecimal system is equivalent to which number in decimal system ?

5. Base 8 is often used in computing because ?

6. Data items are generally classified into which type of codes ?

7. Octal number system uses the digit 0 to 7. The equivalent of Octal 126 in decimal system is ?

8. The main advantage of hexadecimal number is the case of conversion from hexadecimal to ?

9. Binary number 10101101 is equivalent in decimal form to ?

10. 97 10 on octal number system is equivalent to ?
A = 136 8 B = 140 8 C = 139 8 D = 141 8

11. The digits used for hexadecimal number system are ?

12. Data is represented on a computer by means of a two-state on/off system called ?

13. The number A9D in Hexadecimal system is equivalent to which number in decimal system ?

14. AB 16 + CD 16 ?
A = 178 10 B = 168 10 C = ABCD 10 D = 376 10

15. Alphanumeric characters are expressed in terms of binary codes. In ASCII (American Standard Code for Information Interchange), each character is represented as a ?

16. The number ABC in Hexadecimal system is equivalent to which number in decimal system ?

17. The binary number 10101011 is equal to the hexadecimal number ?

18. The binary number 101000101011 is equal to the hexadecimal number ?

19. The number A9D in Hexadecimal system is equivalent to which number in octal system ?

20. The reason why computer have been designed to use binary numbers is ?

21. The binary number 10011101 is equal to the hexadecimal number ?

22. Four-digit binary number 1011 is represented in the decimal system by ?

23. The hexadecimal number system is widely used n analyzing and programming in ?

24. AB 16 + CD 16 ?
A = 178 16 B = 168 16 C = ABCD 16 D = ADEF 16

25. 125 8 (octal) in decimal equivalent is equal to ?A= 83 10 B = 84 10 C= 85 10 D= 86 10


 

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Maan AliLast Updated: October 15, 2025

Maan Ali

Hey there! I'm Maan Ali, your online test prep pal. Join me in the adventure of acing exams with ease. I'll share tricks, practice tests, and all you need to rock your studies. Let's make learning fun and success a sure thing!
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