EBK ESSENTIALS OF MIS
12th Edition
ISBN: 8220101459305
Author: LAUDON
Publisher: PEARSON
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Chapter 5, Problem 6DQ
Explanation of Solution
Advantages and disadvantages of using software service providers for organization’s software needs:
Advantages:
- Large scale companies can easily rely on software service providers to make the management of services easy.
- A company which has many departments can easily depend on a software service provider in order to deliver all the necessary software for each department.
- Company which uses software service provider need not to worry about the development of software for each of the departments which helps in saving time and money.
- Relying on a software service provider shifts the attention of company from software to other tasks which will help in utilizing the time in a productive manner.
Disadvantages:
- The price of the software can be raised by the software service provider.
- The organization has to search for other options in order to cut the costs, if the price becomes unbearable.
- An organization has to always depend on the software service provider in terms of development.
- As the organization cannot develop their own software, their productivity and operations may get hampered.
- Incompatibilities among the software may arise when a company’s departments decide to develop and implement their own software...
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Simulate on a vertical time axis (with events labeled with the senders names A-D) the contention period of FOUR equally distanced Ethernet stations that all attempt to transmit at T=0 a minimally sized frame, in the style of the binary Exponential Backoff Algorithm. Assume that time is measured in slot times, and that exactly one slot time is needed to detect a collision (so that if two stations transmit at T=1 and collide, and one of them chooses a backoff time k=0, then that station will transmit again at T=2).
Use as coin flip (source of randomness) an ID written in binary.
use the bits in order from the least significant to the most significant. If for a given coin throw you need k bits, use the least significant ID bit extracted in the corresponding group of bits, as the least significant bit of the coin thrown.
Start be writing the ID, which is 904012207
As example of the expected answer format,
with the random sequence R: 100101010101001011001010 01 01011 10010 1010 1010 010…
Big State University
The Big State University course catalog reads as follows: "To enroll in MIS 260, which is an advanced
course, a student must complete two prerequisites: MIS 120 and MIS 222. A student who completes
either one of these prerequisites and obtains the instructor's permission, however, will be allowed to
take MIS 260."
Tasks
1. Create a decision table that describes the Big State University course catalog regarding eligibility for
MIS 260. Show all possible rules.
2. Simplify the table you just created. Describe the results.
3. Draw a simplified decision tree to represent the Big State University catalog. Describe the results.
4. Why might you use a decision tree rather than a decision table?
What is the ALU result if the 4-bit ALU Control signal is 0100? What happens if the ALU Control signal is 0101?
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