### Digital Electronics Objectives Part 02

21 . none of above Binary product is incorrect.

22 . 1111-111 = 1000

23 . 11111+11111=100000 is incorrect

24 . Binary 101010 is equivalent to decimal number 42.

25 . Decimal number 5436 when converter into 9’s complement will become 4563.

26 . Decimal 1932 when converted into 10’s complement will become 8068.

27 . Decimal 45.15 when converted into 9’s complement will become 54.84.

28 . Decimal 18.293 when converted into 10’s complement will become 81.707.

29 . 64 different binary numbers can be stored in a register consisting of six switches.

30 . 1000 different BCD numbers can be stored in a register containing 12 switches using an 8,4,2,1 code.

31 . The hexadecimal number B6C7 is equivalent to decimal number 46791.

32 . The hexadecimal number 64AC is equivalent to decimal number 25772.

33 . The hexadecimal number A492 is equivalent to decimal number 42130.

34 . The hexadecimal number D2763 is equivalent to decimal number 862051.

35 . The binary number 101101 is equal to octal number 55.

36 . Binary number 1011 when converted to its 1’s complement will become 0100.

37 . Binary number 1011 when converted to its 1’s complement will become 01100.

38 . Binary number 1011.01 when converted to its 2’s complement will become 0100.10.

39 . Binary number 1011.01 when converted to its 2’s complement will become 00100.11.

40 . The binary number 0111011011 is equivalent to decimal number 3.554.