Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN: 9780133594140
Author: James Kurose, Keith Ross
Publisher: PEARSON
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Textbook Question
Chapter 6, Problem R2RQ
If all the links in the Internet were to provide reliable delivery service, would the TCP reliable delivery service be redundant? Why or why not?
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For a hierarchical carry look-ahead adder, GO can be written like below. Find the gate delay needed to obtain GO without fan-in and with a fan-in of 3 inputs.
GO=g7+p7g6+p7p6g5+p7p6p5g4+p7p6p5p4g3+p7p6p5p4p3g2+p7p6p5p4p3p2g1+p7p6p
5p4p3p2p1g0
Select one:
a.
O b.
GOO
B
B
GO without fan-in limitation will require 3 gate delays
GO with fan-in limitation of 3 will require 5 gate delays
GO without fan-in limitation will require 4 gate delays
• GO with fan-in of 3 will require 3 gate delays
C.
• GO without fan-in limitation will require 5 gate delays
GO with fan-in limitation of 3 will require 3 gate delays
O d.
GO without fan-in limitation will require 2 gate delays
GO with fan-in limitation of 3 will require 4 gate delays
1. Show that S₁ = S2 if and only if S₁ U S2 = S₁n S2.
2. Show that if S1 and S2 are finite sets with |S₁ = n and |S₂| = m, then
S₁ U S2 ≤n+m.
3. If language L is regular and is given by L ={awa : w = {a, b} *}
Then show that L² is regular.
Problem 3: Consider the two-link planar elbow manipulator shown below with link information: a₁ = 3,
a₂ = 3.
a2
S
3/0
Link | a | ai | di
ai
| di | 0i |
มา
02
21
02.
12
01
0 0 01
02
0
0
02
01
To
(a) Find the location of the end-effector P° if the joint angles are:
0₁ = 140°, 0₂ = 30°
(b) Find the values of joint variables 01, 02 if the robotic manipulator is commanded to reach the desired
location of Pº = [4.5, 3,0]. Notice there are possibly two sets of solutions.
(c) Also sketch the two poses of the robot for the computed joint variables.
Page 5 of 7
Chapter 6 Solutions
Computer Networking: A Top-Down Approach (7th Edition)
Ch. 6 - Consider the transportation analogy in Section...Ch. 6 - If all the links in the Internet were to provide...Ch. 6 - Prob. R3RQCh. 6 - Prob. R4RQCh. 6 - Prob. R5RQCh. 6 - Prob. R6RQCh. 6 - Prob. R7RQCh. 6 - Prob. R8RQCh. 6 - Prob. R9RQCh. 6 - Prob. R10RQ
Ch. 6 - Prob. R11RQCh. 6 - Prob. R12RQCh. 6 - Prob. R13RQCh. 6 - Prob. R14RQCh. 6 - Prob. R15RQCh. 6 - Prob. R16RQCh. 6 - Suppose the information content of a packet is the...Ch. 6 - Suppose the information portion of a packet (D in...Ch. 6 - Prob. P4PCh. 6 - Prob. P5PCh. 6 - Prob. P6PCh. 6 - Prob. P7PCh. 6 - Prob. P8PCh. 6 - Prob. P9PCh. 6 - Prob. P10PCh. 6 - Prob. P11PCh. 6 - Prob. P12PCh. 6 - Prob. P13PCh. 6 - Prob. P14PCh. 6 - Prob. P15PCh. 6 - Prob. P16PCh. 6 - Prob. P17PCh. 6 - Prob. P18PCh. 6 - Prob. P19PCh. 6 - Prob. P20PCh. 6 - Prob. P21PCh. 6 - Prob. P22PCh. 6 - Prob. P23PCh. 6 - Prob. P24PCh. 6 - Prob. P25PCh. 6 - Prob. P26PCh. 6 - Prob. P27PCh. 6 - Prob. P32PCh. 6 - Prob. P33P
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