Camels Posted October 7, 2012 Posted October 7, 2012 The following hexadecimal numbers represent 16-bit two’s complement numbers: B13C, 7010, 1FFF, 8A1E, 9000, F73F. Can you tell which ones represent negative numbers? B13C – 1011000100111100 7010 – 0111000000010000 1FFF – 0001111111111111 8A1E – 1000101000011110 9000 – 1001000000000000 F73F – 1111011111110011 I've got as far as that^ which may even be wrong, anyone know what I have to do next? I think it's B13C, 8A1E, 900 and F73F but I can't remember how to do it.
Belgian Posted October 7, 2012 Posted October 7, 2012 i only just started doing the basics of this can't help :s
Rick Posted October 7, 2012 Posted October 7, 2012 i've only learned computing language as far as neccessary for physics which wasn't a lot yet im sure there's some easy way to find your answer=]
Marc|Criti Posted October 7, 2012 Posted October 7, 2012 The following hexadecimal numbers represent 16-bit two’s complement numbers: B13C, 7010, 1FFF, 8A1E, 9000, F73F. Can you tell which ones represent negative numbers? B13C – 1011000100111100 7010 – 0111000000010000 1FFF – 0001111111111111 8A1E – 1000101000011110 9000 – 1001000000000000 F73F – 1111011111110011 I've got as far as that^ which may even be wrong, anyone know what I have to do next? I think it's B13C, 8A1E, 900 and F73F but I can't remember how to do it. you're right, negative binary numbers start with 1 so it's B13C, 8A1E, 900 and F73F 1
Camels Posted October 7, 2012 Author Posted October 7, 2012 The following hexadecimal numbers represent 16-bit two’s complement numbers: B13C, 7010, 1FFF, 8A1E, 9000, F73F. Can you tell which ones represent negative numbers? B13C – 1011000100111100 7010 – 0111000000010000 1FFF – 0001111111111111 8A1E – 1000101000011110 9000 – 1001000000000000 F73F – 1111011111110011 I've got as far as that^ which may even be wrong, anyone know what I have to do next? I think it's B13C, 8A1E, 900 and F73F but I can't remember how to do it. you're right, negative binary numbers start with 1 so it's B13C, 8A1E, 900 and F73F Cheers man ;D
Camels Posted October 7, 2012 Author Posted October 7, 2012 (edited) 12) Using one byte to hold each number, with an imaginary binary point fixed after the fourth digit, convert the following decimal numbers to binary: a) 3.75 00111100 b) 5.1875 c) 7.562 d) 7.5627 Any ideas if a) is right? D: Edited October 7, 2012 by Camels
Muq Posted October 7, 2012 Posted October 7, 2012 I can perform a Google search, that's about as far as me and computers go. Sorry bud.
Camels Posted October 7, 2012 Author Posted October 7, 2012 what the fuck lol That actually makes sense? It's binary.
Realyo3 Posted October 7, 2012 Posted October 7, 2012 lol only done basics of binary such as representing 2's complement etc
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