11. Perform the following hexadecimal additions and subtractions. Assume the numbers are stored in 32-bit 2’s complement binary numbers. Indicate the sign of the answer and whether overflow occurs.
a. BBCA270C + AE223464
b. E3BA265F + E045B9A9
c. E9B20F5D – FE605C8D
d. 5FCA5243 – AE223464
a) BBCA270C + AE223464 =
169EC5B70
now the value of 169EC5B70
in 2's complement is :- 01 0110 1001 1110 1100 0101 1011 0111 0000
(34 bit req)
so overflow occur .
sign is +ve
b) E3BA265F + E045B9A9 = 1C3FFE008
now the value of 1C3FFE008 in 2' complement
01 1100 0011 1111 1111 1110 0000 0000 1000 (34 bit req)
so overflow occur
c) E9B20F5D – FE605C8D = -14AE4D30
now the value in 2' complement
1110 1011 0101 0001 1011 0010 1101 0000
no overflow
d. 5FCA5243 – AE223464 = -4E57E221
now the value in 2' complement is
10110001101010000001110111011111
no overflow
11. Perform the following hexadecimal additions and subtractions. Assume the numbers are stored in 32-bit 2’s...
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