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Homework Problems
1. Express the following in the format requested. (Note: all numbers are expressed in decimal)
a. 379 as an unsigned 16-bit binary integer
b. express the answer to a) in hexadecimal rather than binary
c. 379 as a 16-bit sign-magnitude signed binary integer, expressed in hex
d. -476 as a 16-bit sign-magnitude signed binary integer, expressed in hex
e. 379 as a 16-bit 2's-complement signed binary integer, expressed in hex
f. -476 as a 16-bit 2's-complement signed binary integer, expressed in hex
g. 14 as an offset-127 value, expressed in hex
2. What is the decimal equivalent of the following (expressed in hex)?
a. the unsigned binary integer 000012AF
b. the sign-magnitude binary integer 80001876
c. the 2's-complement binary integer FFFFFFFF
3. Use binary addition to compute the sum of two hex numbers,
ABCD + 1234 = ?
(hint: first convert the binary, add, then convert back to hex)
Solutions
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