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Conversions Binary, Decimal

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1. Decimal to binary: 47.375= ( 101101.011 )2
2. Binary to decimal (unsigned):
1011.0102= ( 11.25 )
3. Base 6 to base 5
2016= ( 243 )5
4. Base 3 to base 7
1023= ( 14 )7
5. Octal to binary
6278= ( 110 010 111 )2
6. Hex to binary
OXA3E9= ( 1010 0011 1110 1001 )2
7. Octal to hex
7268=0x( 1D6 )
8. Base 9 to base 3
8479= ( 22 11 21 )3
9. Base 6 to base 3
1356= ( 2012 )3
10. Decimal to hex
86= 0x( 56 )
11. Convert the following decimal number to sign and magnitude format (8 bits)
-17=10010001
12. Convert the following decimal number to 1’s complement (8 bits)
-17=11101110
13. Convert the following decimal number to 2’s complement (8 bits)
-17=11101111
14. Convert the following decimal number to IEEE 754 ( 32 bits)
47.37510=0 1000 0100 0111 1011 0000 0000 0000 000
15. Convert the following IEEE 754 to decimal number
0 10000011 010001100000000 00000000= ( 20.75 )
16. 4 bits unsigned number addition (Overflows or not?)
0101+1100=(1)0001 there is an over flow
17. 4 bits 1’s complement addition (Overflows or not?)
1101+1010= (1)0111 there is an overflow
18. 4 bits 1’s complement addition (Overflows or not?)
1100+1000 (1) 0100 there overflow
19. 4 bits 2’s complement addition (Overflows or not?)
1101+1011=(1)1000 not
20. 4 bits 2’s complement addition (Overflows or not?)
1100+1010(1)0110 over flow
21. 4 bits 1’s complement subtraction (Overflows or not?)
0101-1001=1011 not/ overflow occur convert the second number it absolute value
22. 4 bits 2’s complement subtraction (Overflows or not?)
1100-0101=0111 not/ overflow occurred
23. Unsigned binary subtraction
100010-1011=010111
24. Unsigned binary multiplication
101x1011=110111

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