1041. Digital computers use complemental subtraction .The main reason for it is :

A. Very simple process
B. Elimination of direct subtraction
C. Easy handling of negative numbers
D. Simplification of circuitry *

1042. Which one of the following is correct ? The normal form of the number 0 is the following, according to convention:

A. 0
B. .0
C. 0.0 *
D. 0.10

1043. The binary equivalent of ( 11.6275)10 is :

A. 101.11011
B. 1011.1011 *
C. 101.0011
D. 1011.00111

1044. The following is an alternative to the number 1010101:

A. 0101010
b. 0101011 *
C. 1101010
D. 1110011

1045. Multiplication of two binary numbers 011 and 110 is :

A. 10010 *
B. 11001
C. 11100
D. 01110

1046. Multiplication two binary numbers A and B is 11011. If A= 011 B is :

A. 0101
B. 1100
C. 1001 *
D. 1011

1047. The Octal equivalent of decimal 98 is :

A. 89
B. 98
C. 142 *
D. 241

1048. The number 1431/8’s decimal equivalent is:

A. 793 *
B. 739
C. 379
D. 397

1049. The decimal equivalent of the hexadecimal number (BAD)16 IS :

A. 111013
B. 5929
C. 3416
D. 2989

1050. The binary equivalent of hexadecimal number 4F2D is :

A. 0101 1111 0010 1100
B. 0100 1111 0010 1100
C. 0100 1110 0010 1100
D. 0100 1111 0010 1101 *