Authors:
M. Morris Mano, Michael D. Ciletti
Chapter:
Digital Systems And Binary Numbers
Exercise:
Problems
Question:28 | ISBN:9780132774208 | Edition: 5
Question
Write the expression “G. Boole” in ASCII, using an eight‐bit code. Include the period and the space. Treat the leftmost bit of each character as a parity bit. Each eight‐bit code should have odd parity. (George Boole was a 19th‐century mathematician. Boolean algebra, introduced in the next chapter, bears his name.)
Answer
1.28
Ans: G. Boole is expressed in ASCII with leftmost bit odd parity as
G – 11000111
dot – 11100000
Space – 00100000
B – 11000010
O – 11101111
O – 11101111
L – 11101100
E – 11100101