Computer Arithmetic And Number System Test Online

Maan AliLast Updated: October 15, 2025

Start your preparation for Computer Arithmetic And Number System Test Online. This online test contains important MCQs from past papers. Attempting this test will help you prepare for Annual Exams and Entry Tests. Read the questions carefully and select the correct option below to see your result.

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.
Test Helpful For: ECAT Entry Test
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Computer Arithmetic And Number System Practice Test Online With Explanation

 

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Engineering Subject

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

18. 125 8 (octal) in decimal equivalent is equal to ?A= 83 10 B = 84 10 C= 85 10 D= 86 10

19. Base 8 is often used in computing because ?

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

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

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

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

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

24. The digits used for hexadecimal number system are ?

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


 

Study Plan for Computer Arithmetic And Number System Test Online

This test is crucial for government job selection.

How to Use GoTest for Preparation:

  • Focus on Keywords: Examiners often twist the question. Read the statement twice.
  • Instant Feedback: Use the “View Answers” feature after the test.

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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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