Systems Analysis and Design 11th Edition Scott Tilley, Harry J. Rosenblatt - Solutions

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2. Maanit will be traveling from the United States to India. He’ll use his laptop to watch DVDs on the way, usually on battery power. Lately, the battery seems to run out of juice well before the battery specifications indicate. What could possibly cause this recent development? Are there any
3. Would the LCD screen or hard drives turn off, for energy conservation, if you set your power scheme to Always On and you walked away for a long period of time? Why or why not?
4. Should a laptop be placed on a hard, flat surface or a soft surface? Why?
5. Mark recently turned on his laptop and discovered that his display was blank and did not show any of the boot process or Windows. He can hear that the computer is turning on, and Windows plays the log-on sound effect. What is most likely the cause of his blank screen?
1. Patrick and Erik are having a small disagreement. Patrick says that printers can use numerous different interfaces, while Erik says that there are only two: parallel and USB. Who is correct? List the interfaces you are aware of and a typical use of each interface.
2. How are documents printed via the dye-sublimation process?
3. Theresa is using Windows and just purchased a printer from a friend. When she installs it using the original driver disc that came with the printer, it won’t install properly. Why?
4. Why should you always turn off a laser printer before opening it up?
5. Why are laser toner cartridges so expensive?
4. Melissa has been cleaning up her hard drive, deleting old files she no longer needs. As she sorts through her audio files, she finds several MIDI files and is surprised to see how small each file is.Describe why MIDI files can be so small compared to something like a WAV file.
3. Samuel will be giving a presentation to a small conference at a local hotel, but needs to provide his own projector. Fortunately, his small office has one already that he likes to use and is familiar with. In the past, he’s presented in small rooms to only 10 to 15 people, but will now be
2. Erica just received a laptop with a 12-inch LCD monitor and Windows XP. After using it for a week, she thinks the text displayed on the screen is too small to read, but still likes the form factor of the laptop. Fortunately, she knows enough to be able to change the resolution so that everything
2. What’s the recommended CPU speed and amount of RAM needed to install Windows Vista Business?
3. Dwight wants to upgrade his old Windows XP system to Windows Vista, but he isn’t sure whether his hardware is sufficient to support Vista. What Microsoft tools would you recommend that he use to check his system?
4. Michael is about to replace his aging Windows XP Home machine with a hotrod PC running Windows Vista Ultimate, but he wants to transfer all his documents to the new computer. What tool can you recommend that he use to do that?
5. What happens if you don’t run the Windows Activation Client for Windows Vista within 30 days of installation?
1. Beth’s brand-new USB keyboard has a piece of the packaging stuck under the keyboard in such a way that she simply can’t pull it out, even with a pair of needle-nose pliers. What should she do to fix this problem?
2. Mario recently purchased a used digital camera capable of taking pictures with a resolution of up to 2 megapixels. He wants to eventually make printouts of these images at 8 × 10 inches or larger.Is this a good idea? Why or why not?
3. Edward is on a trip with his family and has been taking pictures using a traditional film camera.He has had several rolls of film developed and wants to share some pictures online. Fortunately, he has packed his laptop and a portable scanner for the trip. But when he goes to scan the pictures,
4. Whitney sits down at her computer one day to do some work, but notices that something is different about her mouse clicks. She finds it difficult to double-click fast enough for anything to open. Describe how to fix this in Windows Vista.
5. Rita has been using two different computers at her desk at work. She has two cases, two monitors, two keyboards, and two mice. What device could she use to simplify this setup and how would she set it up?
1. Rick’s old CRT monitor has been acting up. It sporadically flickers, shuts on and off, and the image looks awful. He’s a pretty handy guy and wants to open up the CRT to see if he can fix it. What should your advice be?
1. Phyllis wants to do an upgrade installation from Windows XP Professional to Windows Vista, and the Windows Vista Upgrade Advisor says her computer is eligible for an upgrade installation. However, when she boots her computer from the Vista installation disc, the Upgrade option is grayed out. Why
1. What is the difference between CAT 5 cabling and CAT 5e cabling?
5. What port number does Telnet use? What port number does HTTPS use?
1. While browsing the Internet, Maxel has been getting a lot more pop-ups lately. He assumes he has some kind of adware on his system. What should he do to fix this?
2. Erica has been trying to play several multiplayer games with her friends over a LAN, but can never find or connect to them. What might be blocking her connection, and how could she fix this?
3. Why do you need to update an antivirus program’s definition file regularly?
4. Zach has recently rid his computer of a virus that was deleting important system files. Now that the virus is gone, what should he do next?
5. What is a stealth virus?
1. Write a short essay summarizing the problem, discussion, and solution of the smashed laptop screen from Scenario #1.
2. Write a short essay summarizing the problem, discussion, and solution of the nonfunctioning monitor from Scenario #2. Be sure to include details on handling the analyst’s stress level and frustration with the IT department.
3. Write a short essay summarizing the problem, discussion, and solution of the slow machine and Internet connection problems from Scenario #3. Be sure to include details on the steps and updates you would recommend that the client authorize.
4. Write a short essay summarizing the problem, discussion, and solution of the network outage in Scenario #4. Be sure to include details on the steps you would take to escalate the issue to the proper individual, the documentation paper path, and communication with the CFO.
4. Tammy lives in a remote mountain hideaway, but still wants Internet access. What Internet connection method would work best for her, and what problems might she encounter with that method?
3. What is a baud? What is the maximum baud of a phone line?
2. Cindy is installing a high-speed connection to the Internet. What are the four components she will need to verify and have on hand?
2. Wendell set up a new network at home several weeks ago and had no problems, but now his computer won’t connect to it. What is the first thing he should check?
3. What are the advantages of a switch over a hub?
4. Greg’s slightly technical, but very excitable boss has been reading up about network topologies in preparation for his new business’s network. He’s recently discovered the mesh topology and thinks Greg should implement it for their network. Greg isn’t sure it is the best option. What are
5. One of the most common network topologies is a star bus topology. How is this topology laid out?Include the devices that would be used to set up a star bus network.
1. Kate has been asked to look at a friend’s wireless router. The friend complains that her Internet connection has been much slower ever since she switched to a wireless network. Upon examining the router, Kate discovers that the default router settings are still in place. Why could this be
2. Frank has an 802.11b wireless router and just recently purchased a laptop with a built-in 802.11g NIC. What will happen when he tries to use his laptop to connect to the wireless network?
3. Andrew is trying to connect to his wireless network, but does not see it listed in Windows. There are, however, several networks listed as “Unnamed Network.” What setting might he have changed on his wireless router to cause this?
4. What advantages does 802.11n have over the other Wi-Fi standards?
5. Lisa has two laptops with built-in wireless NICs. She would like to set up a network between them, but does not want to purchase a router. Is this possible? How?
1. Mary has stated that when she used the CNET Bandwidth Meter Online Speed Test, she achieved Internet transfer speeds around 7.5 Mbps. What type of Internet access do you think Mary has?
5. Write a short essay describing the six steps included in the troubleshooting theory. List these steps in order and discuss the importance of each.
5. In reference to floppy disk drives, what does the thirty-fourth pin do?
• Understand some of the more common certifications that follow the CompTIA A+ certification
3. When you install Windows XP for the first time on Joe’s PC, he notices that some desktop icons he’s accustomed to seeing are missing. As a matter of fact, only the Recycle Bin icon is present. Where and how can you add the desktop icons he’s used to seeing in Windows 2000?
4. One of your clients using Windows Vista called your help desk because he’s experiencing difficulties using the mouse. He says his mouse moves too fast, and icons don’t respond when he double-clicks them. What’s wrong? Where would you direct him to go to fix this problem? Give the complete
5. Which is a safer place for trained technicians to make changes or modifications: the Control Panel or the Registry? Explain your choice.
1. James has an AMD Duron CPU motherboard and has bought a faster Intel Pentium D 820 from an eBay auction. He asks you to install the new CPU. What is your first reaction?
2. Stan has a system with 8 GB of DDR3 RAM, but understands that many systems can’t take advantage of all that memory. What components or type of components does he need to take advantage of more than 4 GB of memory?
3. Theresa has an LGA 775 motherboard with an Intel Core 2 Quad 2.83-GHz processor and would like to put in a faster CPU. Can she install an Intel Core i7 2.93-GHz processor? Why or why not?
4. David has been reading the trade magazines and keeps seeing all the hype over the “dual-core”processors. David decides, since he is a power gamer, that he will upgrade to a dual-core CPU to improve the performance of his system when playing his favorite game. Will a dual-core processor
5. Anja has just installed a brand new CPU onto her motherboard, but isn’t quite sure of how best to go about cooling it. In the order they would be installed, list the necessary components for proper cooling via a traditional fan.
1. Jarel wants to upgrade his memory and calls you for help. He knows that he’s using DDR RAM and that his system clock is 133 MHz, but he isn’t sure what type of DDR SDRAM sticks he should purchase. What DDR RAM would you recommend that he use?
2. Joe has recently purchased a pair of 1-GB DDR3 RAM sticks. He’s replacing an older pair of DDR2 RAM, but can’t afford to replace the motherboard. Why won’t this work?
2. What’s the purpose of the MMC? What is the added feature in Vista?
1. Your friend Brian calls you and asks if he can make his new Windows XP system look like the Windows 2000 system he uses at work. He says he doesn’t like the bright, cartoonish style, and the Start menu is different. Explain to Brian what he can and can’t do to change the look of Windows XP.
5. Audrey removed the case of her PC to check the type of RAM she has installed. When she put the case back on and tried to start the PC, she got a message that there’s a problem with her hard drive.What is a good reason this might have happened?
• Plan in what order you might attain those certifications
1. Your coworker Sara constantly takes personal calls on her cell phone even though she knows your employer has a rule banning personal use of the cell phone while in the workplace. Whenever she’s on her cell phone, she does not answer her regular work phone, thus adding more work for you and
2. You just got a phone call from a PC repair company that wants to interview you today. It is dressdown day at your workplace, so you’re wearing jeans and a T-shirt. Should you accept the offer to interview today or decline? Explain your answer.
3. You’re the lead PC technician for a company and have been put in charge of two inexperienced technicians who know nothing about ESD and MSDSs. What steps will you take to educate them to ensure they use anti-static devices and dispose of hazardous materials properly?
4. What is EMI and which components are particularly susceptible to it?
5. What is RFI? Write down three examples of RFI.
1. Joe has just moved his PC to his new office. After hooking up all the cables, he turns on the system, and when it asks for his password, the keyboard will not respond. What could possibly be wrong?
2. Theresa has just finished the production of a PowerPoint presentation detailing the design of a new office building. She has included some cool 3-D animations in the presentation to show off the design. When she attempts to save the presentation to a floppy diskette, an error occurs. What might
3. Cal has purchased a new set of speakers for his PC. The old ones worked just fine, but he wanted more power and a subwoofer. When he plugged in the new speakers, they would not work. Power is on to the speakers. What is the first thing you would check?
4. John had a new modem installed in his computer at a local computer shop, where he watched as the system successfully connected to his AOL account. When he got home and tried, however, he couldn’t get a dial tone. He calls you to ask for help. What should you suggest that he check first?
3. Fabienne would like to purchase more memory for her old, slow Windows XP system, but first wants to know how much RAM she already has. Name two tools in Windows XP that list the amount of RAM in the system and describe how to get to them.
4. Gina has recently found an older, non-functioning system, complete with processor, RAM, and hard drives. It looks like everything is in perfect condition, but upon closer inspection, she finds that the system only has a single RIMM, with one slot left open. If she wants the system to work again,
4. The second SATA hard drive on your company’s server has just died. You have a replacement drive, but it’s critical that the server remain up and functioning. What, if anything, can you do to resolve this problem and get the second drive replaced?
5. What three interfaces can be used to connect an external hard drive to a computer?
1. What is a microdrive?
2. What is the difference between the DVD+RW format and the DVD-RW format?
3. Cecelia is a freelance Web designer who is delivering some files to a client. She sits down at a Windows XP system in the client’s office and plugs in her trusty USB thumb drive, but nothing happens—Windows doesn’t acknowledge the device at all. The thumb drive has been working perfectly
4. What are the advantages of Blu-ray Discs over DVDs?
5. In reference to floppy disk drives, what does the thirty-fourth pin do?
1. What is a microdrive?
2. What is the difference between the DVD+RW format and the DVD-RW format?
3. Cecelia is a freelance Web designer who is delivering some files to a client. She sits down at a Windows XP system in the client’s office and plugs in her trusty USB thumb drive, but nothing happens—Windows doesn’t acknowledge the device at all. The thumb drive has been working perfectly
3. Brock, a new tech in your firm, informs you that the PC he’s working on can’t autodetect a hard drive he installed. He thinks the motherboard is broken. What’s the more likely problem here?
2. In what situation(s) might it be appropriate to disable the motherboard’s hard drive controllers?
1. Matthew has decided to use the RAID integrated into the SATA controller on his new system.He uses the system for high-end video editing, and would like to improve the performance of the system for this task. Which implementation of RAID would you recommend to improve performance?
5. Adrien is trying to get the most out of his memory. He has a 1-GB stick of DDR2-400 and a 2-GB stick of DDR2-800. He’s just purchased a motherboard with dual-channel support and wants to install his current RAM. Will it work? Why or why not?
1. After running Windows XP for a few years, Chris has decided to perform a clean install of Windows Vista. After backing up his important files, he places the Windows Vista DVD in the DVD/CD-ROM drive and reboots his machine—but it just boots into Windows XP like normal. What setting will he
2. Arnold has just installed a new sound card. He boots his system to install the drivers, but his system does not recognize the new card. What BIOS settings might he change using CMOS setup?
3. A local internet café has asked Bryan to upgrade two of their computers so they can play newer PC games. While examining them, Bryan was very pleased to find that one of them had a PCIe ×16 expansion slot. What is the advantage of the PCIe expansion bus, and how will it contribute to providing
4. Keith bought a fancy new case for his system. He removed the motherboard from his old case, but discovered it wouldn’t fit in the new one. What did Keith forget to check?
5. Jeremy wants to upgrade his system by replacing the CPU. His friend works at a local computer shop and has offered him a Pentium D processor for a great price! Jeremy’s current system uses a Pentium 4 2.54-GHz CPU. Will this work? Why or why not?
1. Concerning the PSU, what should you always do when traveling to another country with your computer?
2. Athena lives in an area where the power is often interrupted. She bought a good surge suppressor, but that does not seem to help. What does she need to prevent her system from shutting down unexpectedly?
3. Your assistant technician calls you and says he suspects a bad power supply in one of your client’s systems. He said the multimeter readings are 12.65 volts and 4.15 volts. What should he do?4. One of your clients has an older Pentium 4 system with a single IDE hard drive and 512 MB of RAM.He
5. Toby has built a system that requires 480 W to operate properly. He purchases a 500-W PSU for the system. Why is this a bad idea?
4. What are the advantages of Blu-ray Discs over DVDs?
Consider a scenario where a task is dependent on another task being started but not necessarily completed. For example, a project may depend on a task being started and 25% being completed before the group could start their portion of the project. Do you think this situation occurs frequently in

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Systems Analysis and Design 11th Edition Scott Tilley, Harry J. Rosenblatt - Solutions

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