Number system and Binary arithmetic operation Leave a Comment / By admin / October 28, 2024 Welcome to your Number system and Binary arithmetic operation 1. 1. In Decimal number system there are: 10 Digits 2 Digits 8 Digits 16 None 2. 2. Binary number is the combination of. A and B 0 and 1 1 and 2 None None 3. 3. Which of the following is a binary number? A) 110101 B) 678 C) 1A2F D) 2569 None 4. 4. How many bits are there in a byte? A) 4 B) 8 C) 16 D) 32 None 5. 5. What is the decimal equivalent of the binary number 1010? A) 5 B) 10 C) 15 D) 20 None 6. 6. Which of these is not a valid hexadecimal number? A) 1A3F B) G5A2 C) 7C9 D) 2B6D None 7. 7. The octal number system has a base of: A) 2 B) 8 C) 10 D) 16 None 8. 8. In binary addition, what is 1 + 1? A) 0 B) 1 C) 10 D) 11 None 9. 9. The smallest decimal number in the binary system is represented as: 0 1 10 None None 10. 10. What is the base of the hexadecimal number system? 2 8 10 16 None 11. 11. Which of the following is a decimal number? 101 7F 37 1A3 None 12. 12. Which of these is not a property of binary numbers? They use two symbols. They are used in digital electronics They use the symbols 0–9. They can represent any decimal number. None 13. 13. The two’s complement of the binary number 0101 is: 1010 1101 1111 1011 None 14. 14. What is the base 10 equivalent of the binary number 110101.101? 53.625 55.25 54.60 55 None 15. 15. Which of the following gates is known as a universal gate? AND OR NAND NOT None 16. 16. In Boolean algebra, the OR operation is represented by which symbol? + . ^ × None 17. 17 If both inputs of a NOR gate are 1, what will be the output? 1 0 Depends on previous input NONE None 18. 18. Which gate produces a HIGH output only if both inputs are LOW? AND OR NOT NAND None 19. 19. What is the output of an AND gate when both inputs are 0? 1 0 Depends on previous input None None 20. 20. In a NOT gate, if the input is 1, what will the output be? 1 0 Cannot be determined Both 1 and 0 None 21. 21. Which of the following combinations can be used to implement any other logic gate? XOR and AND NAND and NOR OR and NOT AND and NOT None 22. 22. The output of an OR gate is LOW only when: Both inputs are HIGH One input is HIGH and the other is LOW Both inputs are LOW Both inputs are HIGH and LOW None 23. 23. An AND gate is also called: An Inclusive gate A Multiplying gate An Exclusive gate An Inverting gate None 24. 24. What is the output of a NOR gate if both inputs are 0? 0 1 can't say None None Please fill in the comment box below. Time's up