railway RRB Technician Grade 1 Mock Test 2024 Digital Electronics Number System and Binary Codes Representation of Signed Numbers
The number of 1’s in the 8-bit unsigned representation of 127 in its 2’s complement form is m and that in 1’s complement form is n. What is the value of m : n?
1
2 : 1
2
1 : 2
3
3 : 1
4
1 : 3