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Step 1. Go to the link below to view demonstration videos.

Step 2. Choose three videos from the web site. You should view each videos several times.

Step 3. After a preliminary view of the videos, look at the document below. This document includes the information that you should note when you either view demonstrations or conduct experiments. It also includes the rubric so you will understand how to earn points.

Step 4. Now that you have chosen your video demonstrations, focus on one demonstration at a time. View the video again, taking notes carefully. After you are certain that you understand the concepts of the demonstration, you are ready to write your report. Use the guide below to write your reports.

Step 5. Follow the same procedure for each of the three videos. You will have three lab reports to submit. Save your documents to your computer in one file. Use the Browse or Find function to attach, then click Submit to send your document for grading.

TITLE PAGE

The title is the name of the demonstration video. The title should conciselydescribe the basic concept that is demonstrated in the lab activity.

 

 

 

 

Purpose

 

a) Purpose - State the purpose of the lab beginning with the following words, To determine:

 

Hypothesis

 

b) Hypothesis -State the hypotheses of the lab.

(The hypotheses should be an 'if/then' statement.)

 

 

c. Equipment -List the equipment used in the lab.

d. Procedure – List the procedure used in the lab.

e. Data Table – List the data that is generated from the demonstration. You may want to create a data table. You may also create a bullet list.

 

 

Conclusion

 

 

 

Conclusion – Write 3 paragraphs that include the following information:

Paragraph 1:

a. Introduction: State the experiment

b. State the purpose of the lab

c. State the hypotheses.

d. State the outcome

Paragraph 2:

e. Discuss at least 2 sources of error that could happen: give a detailed explanation of each and how this may affect the collected data.

Paragraph 3:

f. Conclusion: provide a final summary of the demonstration.

 

 

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Introduction to Operating Systems

Operating Systems (OS) are:

software that manages computer hardware resources, and provides common services for computer programs. (Wikipedia)

Types of Operating Systems

There are mainly two types of operating systems:

1. Hosted OS: An operating system that operates on a client-server model where the operating system (host) is installed on a server and clients use it to perform tasks. Example: Windows Server, Linux.
2. Standalone OS: An operating system that operates independently on a single computer and is not connected to a network. Example: Windows, Linux, MacOS.

Functions and Goals of Operating Systems

The main functions and goals of an operating system are:

1. Process Management: The operating system manages processes, including creating, scheduling, and synchronizing them.
2. Memory Management: The operating system is responsible for managing the computer's memory, including allocating and deallocating memory as needed.
3. Device Management: The operating system manages all of the computer's devices, including input and output devices.
4. File Management: The operating system manages files, including creating, deleting, and organizing them.
5. Security and Access Control: The operating system provides security and access control to protect the computer and its resources from unauthorized access.

Operating System Structure and Resources

The structure of an operating system consists of:

1. Kernel: The kernel is the core of the operating system and is responsible for managing system resources.
2. Device Drivers: Device drivers are software programs that allow the operating system to communicate with devices.
3. System Libraries: System libraries are collections of pre-written code that can be used by application programs.
4. System Utilities: System utilities are software programs that perform specific tasks, such as managing files, printers, and networks.

Application Programs and User Interface

Operating systems provide a user interface (UI) for users to interact with the operating system, including:

1. Command-line Interface (CLI): A textual interface where users type commands to communicate with the operating system.
2. Graphical User Interface (GUI): A visual interface that allows users to interact with the operating system using icons, menus, and other visual elements.

It is important to note that the design of the user interface can greatly affect the usability and user experience of the operating system.