### Digital Electronics Objectives Part 03

**41 .** Octal number 66.3 is equal to **110110.011** in binary number.

**42 . ** Decimal number 4429.625 is equal to octal number** 10515.5.**

**43 .** Octal number **1041.3** is equal to 545.375 in decimal number.

**44 . ** The binary number 0.10110111101 is equal to** B7A** in hexadecimal.

**45 . ** The digit 0 with carry of 1 is the sum of binary addition **1+1.**

**46 .** (39)10 in binary system is** 100111.**

**47 . ** In decimal system the base or radix is the** 10.**

**48 . ** The radix of a hexadecimal system is **16.**

**49 . ** A binary system has radix of** 2.**

**50 . ** The binary number 101100.140 in octal number will be **154.6.**

**51 .** (62)10 in binary system is** 111110.**

**52 . ** One’s complement of binary number can be found out by changing all** one’s to zero’s and all zero’s to one’s.**

**53 . ** 10 in BCD code is represented as 0001 000. **(none of the above** in book)

**54 . ** Decimal 17 in octal system is represented by **21.**

**55 .** Octal 16 is equal to decimal **14.**

**56 . ** 110102 ≠ 38

**57 . ** The binary equivalent of 4096.90625 is **1,000,000,000,000.11101.**

**58 . ** Which of the following is incorrect **(none of above).**

**59 . ** (8)8 + (2)8 = (11)8 is** incorrect.**

**60 .** (1001- 10 ) is equal to **7.**