A synchronous state machine has two inputs (X1 and X2) and two outputs (Z1 and Z2). The inputs represent a 2- bit binary number (N). If the present value of (N) plus the previous value of (N) is greater than (2), then (Z1=1). If the present valu e of (N) times the

Computer Networking: A Top-Down Approach (7th Edition)
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Author:James Kurose, Keith Ross
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Chapter1: Computer Networks And The Internet
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A synchronous state machine has two
inputs (X1 and X2) and two outputs
(Z1 and Z2). The inputs represent a 2-
bit binary number (N). If the present
value of (N) plus the previous value of
(N) is greater than (2), then (Z1=1). If
the present value of (N) times the
previous value of (N) is greater than
(2), then (Z2=1). Otherwise, (Z1Z2=00).
When the first pair of inputs is
received, use (O) as the previous
value of (N). the circuit of the
aforementioned state machine
includes .NOT-gates. *
O 1
O 2
Transcribed Image Text:A synchronous state machine has two inputs (X1 and X2) and two outputs (Z1 and Z2). The inputs represent a 2- bit binary number (N). If the present value of (N) plus the previous value of (N) is greater than (2), then (Z1=1). If the present value of (N) times the previous value of (N) is greater than (2), then (Z2=1). Otherwise, (Z1Z2=00). When the first pair of inputs is received, use (O) as the previous value of (N). the circuit of the aforementioned state machine includes .NOT-gates. * O 1 O 2
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