Getting to Know Your PC by babbian

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									Intro to Information Technology                                                                           Lab #7
                                                                                         Getting to Know Your PC
In this lab, you are encouraged to talk (quietly) with your neighbor about the concepts we discussed in
class and how they relate to these questions. Do as many of the questions as you have time for. Submit
a file with the answers to the numbered questions before you leave class today.

Accessing Information about this Computer

In our first lab, we looked at the machines you’re sitting in front of in terms of bits and bytes. We’re
going to revisit some of those concepts now that you are more familiar with the hardware itself. To
answer the questions in this lab, click on the Windows logo in the lower left-hand corner, and then select
Computer. This shows all of the auxiliary memory devices on your machine. On the top of the
window, select System Properties.

Answer these questions. You may need to consult your notes or look up some of these online.

      1) How much memory (RAM) does this computer have?

      2) In Lab #2, you checked out the size of the hard disk (C:).1 How many times bigger is the hard
         disk than the memory? (for example, 8 is four times bigger than 2)

      3) Why is it so much bigger?

      4) What is the speed of the CPU?

      5) Which Operating System is installed?

Input/Output Devices: the Monitor

     Right click on a blank section of the desktop, and select Screen resolution.

      6) What is the maximum resolution your screen has?

      7) What happens when you change the resolution toward the Low end? Toward the High end?

      8) How does this relate to the concept of resolution as we have been talking about with digital
         pictures?

      9) Click on Advanced settings, and then the Monitor tab. There is an option to change the Colors.
         This is similar to the idea of color depth. What are the choices? What does that mean?

      10) Can you tell the difference between the two settings?


1
    If you don’t have this information on hand, go back to the Computer, which shows the size of the Local Disk.


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       11) Look up cool input/output devices on Google. Name and describe at least three that you don’t
           have in front of you on the machine you are using, and explain why they are interesting to you.

Task Manager

After you have answered the questions above, press and hold down the following three keys together
time: Ctrl, Alt and Delete.2 This brings up a screen with a number of options. Select the option called
Start Task Manager. This brings up the Windows Task Manager, which has 4 tabs. Let's look at each
tab in turn.

      The Applications tab lets you shut down a running application. To terminate an application, select
       in this window and hit the End Task button. If there are no tasks listed that you don’t mind killing,
       start Microsoft Word and then practice closing it. When an application becomes non-responsive, you
       can use this window to select the application and then stop it with the End Task button.

      The Processes tab shows you current running processes. Your computer is able to run many
       different programs at once. A process is an instance of a program running on your system. You will
       find a large number of processes that you did not start yourself. Clicking on one of the column
       headings, such as User Name, will sort the list of processes by that attribute.

      The Performance tab lets you see how busy your CPU is.

      The Networking tab lets you see how much you are using the network. Open a web browser and
       load www.msn.com and see what happens in this pane.

Using these four tabs, answer the questions below.

       12) Click on the Applications tab. How many applications are you running right now?

       13) Click back to the Processes tab. Click on the button Show Processes for All Users. How much
           memory is your System Idle process using?

       14) What percentage of the CPU time is the System Idle Process using?

       15) Which process is using the most memory? How much of the memory is it taking up?

       16) Which process is using the least memory? How much of the memory is it taking up?

                                              DO THIS MUCH FOR A CHECK

Disk Tools

      Double click on the My Computer icon again, and bring up the panel with icons of the disk drives.
       Right click on Hard Disk Drive Local Disk (C:) and select Properties.

2
    This is called the Three Finger Salute.


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    This will bring up a properties pane with three or more tabs, including General, Tools, and
    Hardware. Select Tools and you will given three choices: Error checking, Defragmentation, and
    Backup.

   You may need to look online for the answers to these questions.

    17) What is the purpose of the ScanDisk utility?

    18) What is disk fragmentation? How does defragmentation work?

Deep Thoughts

    19) Why do companies make different kinds of computers - wouldn't it be more cost effective to
        make only one kind for everyone?


To turn in for this lab:

   In Word, WordPad, or a similar program, write up a file answering
    the questions from this lab. Submit it via Blackboard under the Lab
    Submissions link. Turn it in before you leave today.




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