Doubt in most significant bit in 11

[divyanshinegi2003_987b3f0f92dd8c0c (Divyanshi Negi)]

why the most significant bit in 11 is 1 even though it is a positive number

[talhashamim001 (Talha Shamim)]

hi @divyanshinegi2003_987b3f0f92dd8c0c thats in that the most sig bit is not a sign bit