EBK NETWORK+ GUIDE TO NETWORKS
8th Edition
ISBN: 9781337671644
Author: ANDREWS
Publisher: CENGAGE LEARNING - CONSIGNMENT
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Expert Solution & Answer
Chapter 1, Problem 7RQ
<PROGRAM-DESCRIPTION-ANSWER>
Client-server model is the networking model that cannot be supported or used without upgrading it.
Hence, the correct answer is option “B”.
</PROGRAM-DESCRIPTION-ANSWER>
Explanation of Solution
Client-server:
- Client-server model is a distributed application structure that includes the processes between the client and the server.
- The client transmits a request to server via a wireless network.
- The server processes the request of the client and returns the result via a wireless network.
Explanation for incorrect options:
Hybrid:
- A hybrid topology is a combination of two or more topologies to form a new topology.
- In hybrid topology, the different topologies are connected by the controller of the network.
Hence, option “A” is wrong...
Expert Solution & Answer
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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
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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.
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(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 1 Solutions
EBK NETWORK+ GUIDE TO NETWORKS
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