# NUMBER SYSTEM MCQ SET-2

Number System MCQ SET-2 Question With Answer

1. How many 1s are present in the binary representation of 15*256+5*16+3?

2. If √61 = 7, the base of the number system is

3. If 52/4 = 12, the base of the number system is

4. If (128)10 = (1003)b, the possible base b is

5. If (292)10 = (204)b, the possible base b is

##### Number System MCQ

6. 1’s complement of 1’s complement of the binary number 10110011 is

7. 2’s complement of 2’s complement of the binary number 10110101 is

8. The hexadecimal number system is used in digital computers and digital systems to

Answer : (D) Input binary data into the system

9. In a digital computer binary subtraction is performed

Answer : (B) Using 2’s complement method

10. The largest negative number which can be stored in a computer that has 8-bit word length and uses 2’s complement arithmetic is

##### Number System MCQ

11. The largest Positive number that can be stored in a computer that has 16-bit word length and uses 2’s complement arithmetic is

12. The minimum number of bits required to represent positive numbers in the range 1 to 63 using 2’s complement representation is

13. The minimum number of bits required to represent negative numbers in the range of -1 to -11 using 2’s complement arithmetic is

14. Consider n bit 1’s complement representation of integer numbers. the range of integer values N, that can be represented is

Answer : (B) 1-2n-1≤ N ≤ 2n-1-1

15. Which number system is not a positional number system?

##### Number System MCQ

16. The base of the duo decimal number system is

17. The value of base X for which (211)X = (152)8 is

18. If (54)10 =(X)4, then the value of X is

19. (11011)2 in BCD 8421 code is