Showing posts with label cd. Show all posts
Showing posts with label cd. Show all posts

Systems Analysis and Design (Shelly Cashman) Review

Systems Analysis and Design (Shelly Cashman)
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Systems Analysis and Design (Shelly Cashman) ReviewThere are few things I can say after reading this book pretty much from cover to cover:
- Nowadays there are lots of critics of structured SAD, so if you're happen to be one of them, I am pretty sure you will not give this text a good grade. While it does cover Object-Oriented SAD, it is not build upon it. This text (as it seems to me) is revolves around structured SAD using SDLC.
- I liked this text because it has LOTS of colorful diagrams, screen-shots, and charts. This gives a text more alive presentation and makes it more fun to read, even though you're getting lost in terms and abbreviation.
- The text has plenty of abbreviations because SAD process integrates all system components. You can imagine how much data that is, especially considering the fact of collecting that data and organizing it.
- I thing this text by itself will not make you an system analyst. You will need to read more, but it serves well as an introduction to SAD.
The obvious negative thing - these editions that coming up new each year are costly for students, but this is a issue of all comp. textbooks, not just this.Brief contents:
-ch 1. Introduction to Systems Analysis and Design
PHASE 1: SYSTEM PLANNING
-ch 2. Analyzing the business case
PHASE 2: SYSTEM ANALYSIS
-ch 3. Requirements modeling
-ch 4. Data and process modeling
-ch 5. Object modeling
-ch 6. Development strategies
PHASE 3: SYSTEM DESIGN
-ch 7. Output and user interface design
-ch 8. Data Design
-ch 9. System architecture
PHASE 4: Systems implementation
-ch10. Systems implementation
PHASE 5: SYSTEMS OPERATION, SUPPORT, AND SECURITY
-ch11. Systems operation, support and security
THE SYSTEM ANALYST'S TOOLKIT
Toolkit 1: Communication tools
Toolkit 2: CASE Tools
Toolkit 3: Financial Analysis Tools
Toolkit 4: Project Management Tools
Toolkit 5: Internet Resource Tools
Systems Analysis and Design (Shelly Cashman) OverviewBuilding on the proven pedagogy of its predecessors, with an increased focus on object modeling and project management, Systems Analysis and Design, Seventh Edition presents a clear introduction to systems analysis and design. Students will find concepts easy-to-understand through the clear writing style and full-color figures that illustrate current technology and trends. Examples and cases are drawn from actual systems projects that enable students to learn in the context of solving problems, much like the ones they will encounter on the job. This approach, combined with motivating tools such as the SCR Associates interactive Web-Based Case Study, Systems Analyst's Toolkit, the Student Study Tool on CD-ROM, and more, makes Systems Analysis and Design, Seventh Edition a wise and exciting choice for your introductory systems analysis and design class.

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Coby TFDVD7091 7-Inch DVD/MP3/CD Player and ATSC/NTSC TV Tuner, Black Review

Coby TFDVD7091 7-Inch DVD/MP3/CD Player and ATSC/NTSC TV Tuner, Black
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Coby TFDVD7091 7-Inch DVD/MP3/CD Player and ATSC/NTSC TV Tuner, Black ReviewDespite the Amazon description of this as a "portable dvd player", this is strictly a shelf unit, nothing portable about it. The product box it ships in even describes it as a "micro-shelf unit". Because the Amazon product description calls it portable, and because one reviewer stated that it could be used with the speakers separated or as one unit, I mistakenly believed the speakers were attachable and the unit could be moved about as a portable unit. This is not the case. The speakers are strictly detached with about four feet of cable for each. We wanted to be able to pick it up at a moments notice and carry it to the basement during storms and also take it on trips. It cannot be used for either easily, and there is no handle with which you can carry it or battery option, hence it just is not a portable TV/DVD player.
Prior to this, we bought the Naxa NDL-400 7-Inch TFT LCD Display Portable DVD Player with Digital TV TUNER, AM/FM Stereo Radio, USB Input and SD/MMC Card Slots that actually was portable, but the sound quality on dvd playback was too poor for us and it did not play audio cds so we sent it back. Lastly, after the Coby we tried the only other boombox 7" tv/dvd unit left on Amazon that I could find, a GPX BT780B 7 Inch LCD Portable TV/DVD/AM/FM Boombox, and it was very flimsy and by far the poorest quality of the three.
After playing some Christmas cd's like the Vince Gauraldi Charlie Brown Christmas soundtrack I have to say the sound on the Coby is impressively good for a small plastic speaker and much better than the NAXA and GPX boombox models. Gauraldi's piano notes came across very well defined. Very surprised, though there is not much bottom available if you want your music to thump. I was tempted to keep it for the music purposes only but don't need to spend the money on something that clearly does not meet our needs.
One caveat to mention, the tray that holds the disks appears to be VERY flimsy and longevity may be an issue. If you need a small shelf unit with all these features and want to take a chance on the dvd player lasting awhile, I'd recommend it. It just isn't what we wanted or expected based on the "portable" description. We did not attempt adjusting the screem image, but on the default settings it was not as bright or pleasant as the NAXA model.
I usually have better luck getting what I expected based on Amazon descriptions, but not with this "portable" Coby.Coby TFDVD7091 7-Inch DVD/MP3/CD Player and ATSC/NTSC TV Tuner, Black Overview

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