2's complement of a number is obtained by
Changing all zeros to ones
By Adding one to its 1's complement
Decimal number conversion
None of these
The obvious reason for the usage of binary numbers instead of decimal numbers is
Ideal for coding purpose involving two state nature of components.
Easy to code
Processing is faster
Easy to use
The maximum number of characters represented by seven bit codification scheme is
64
127
32
7
Binary coded Decimal numbers express each decimal digit as .
Four Bits
Two Bits
Three Bits
Eight Bits
How long is a word ?
32 bit
8 bit
4 bit
Depends on the computer
(101)2+(111)2 is
11110+11011+10101=
1101010
1001110
1001001
11101010
Determine the octal equivalent of following binary numbers 011001
13
31
30
03
