Question

a) I want the answers to the following parts in hex a. What is [A+4]? b....

a) I want the answers to the following parts in hex a. What is [A+4]? b. What is [B+4]? c. What is [D+4] 7) Using one byte of storage (8 bits)or 16 bits if needed, what is the binary two’s complement representation of each of the following decimal numbers? a. -111 b. -126

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Answer #1

A.a) (A+4)16 = (10+4)10 = (14)10 = (E)16

A.b) (B+4)16 = (11+4)10 = (15)10 = (F)16

A.c) (D+4)16 = (13+7)10 = (20)10 = (14)16

7.a) -111

(111)10 = (01101111)2

one's complement of (01101111)2 = (10010000)2

two's complement form = one's complement form + (1)2 = (10010000)2+(1)2 = (10010001)2

7.b)-126

(126)10 = (01111110)2

one's complement of (01111110)2 = (10000001)2

two's complement form = one's complement form + (1)2 = (10000001)2+(1)2 = (10000010)2

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