0 0 votes $4$-bit $2$'s complement representation of a decimal number is $1000.$ The number is $+8$ $0$ $-7$ $-8$ Number Representations gate2002-ec number-representation numerical-answers digital-circuits + – admin 442 views answer comment Share Follow Add Sync Questions Print 0 reply Please log in or register to add a comment.
0 0 votes Binary equivalent of decimal 1000 = 1111101000 Take 1st 4 bits of LSB = 1000 as remaning bits gets overflow due to 4 bit system now to the 2's complement of 1000 = 1000 1000=+8 but 2's complement of a number gives its negative i,e final answer is option (d) = -8 Note: a-----> -a (2's complemenet of a) -a -----> a (2's complement of -a) GaneshBhukya answered Mar 22 GaneshBhukya comment Share Follow 0 reply Please log in or register to add a comment.