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Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Explain this code?
LIBRARY ieee;
USE ieee.std logic 1164.all;
USE ieee.std logic arith.all:
architecture behaviour of machine is
signal 1Q: STD LOGIC VECTOR (7 downto 0);
begin
process (CLK)
begin
if (CLK'event and CLK '1') then
if CLEAR L'0' then
IQ < "00000000":
elsif LOAD L- 0' then
IQ < D;
elsif UP-'1' then
IO < STD LOGIC VECTOR ( UNSIGNED (IQ) 1):
else
IQ < STD LOGIC VECTOR ( UNSIGNED(IQ)
end if:
- 1):
Q < IQ:
end if;
end process;
end behaviour;
Figure Q5a
CLK
CLEAR L
UP
IQ
Figure Q5b
Transcribed Image Text:LIBRARY ieee; USE ieee.std logic 1164.all; USE ieee.std logic arith.all: architecture behaviour of machine is signal 1Q: STD LOGIC VECTOR (7 downto 0); begin process (CLK) begin if (CLK'event and CLK '1') then if CLEAR L'0' then IQ < "00000000": elsif LOAD L- 0' then IQ < D; elsif UP-'1' then IO < STD LOGIC VECTOR ( UNSIGNED (IQ) 1): else IQ < STD LOGIC VECTOR ( UNSIGNED(IQ) end if: - 1): Q < IQ: end if; end process; end behaviour; Figure Q5a CLK CLEAR L UP IQ Figure Q5b
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