Wednesday:
-Lessons
-Going over book and slides
Fridays:
-Tests
-Blogs (notes from slides and at home readings)
-Project Discussions
Wednesday, October 13, 2010
Thursday, October 7, 2010
Utility Programs vs. Device Driver
Utility Programs are software that play supporting roles. They are relatively small programs that do a limited amount of tasks. Their tasks may include file management, file search, performing routines to check the performance of the hardware and more.
Device drivers are software that communicate between a computer and a specific hardware device. It acts as a translator between them.
Device drivers are software that communicate between a computer and a specific hardware device. It acts as a translator between them.
What Does the Operating System Do?????
The operating system is a program designed to run other programs on a computer. The all the different types of Windows are operating systems made by Microsoft.
But what does it do?
But what does it do?
- It monitors and manages different programs, users, and resources and makes sure they are working smoothly, without interference
- Sometimes act as security
- Provides a way for application to communicate with the hardware without much difficulty
sources: -How Stuff Works: Operating Systems
Sunday, October 3, 2010
Authentication vs. Authorization
Authentication is a mechanism by which a system can accurately and securely identify its user and if that user is really the person he/she represents himself to be.
Authorization on the other hand is a mechanism by which a system determines the amount of access is allowed to particular users for specific resources that under its control.
Authorization on the other hand is a mechanism by which a system determines the amount of access is allowed to particular users for specific resources that under its control.
"Authorization system provide answers to the questions:
- Is user X authorized to access resource R?
- Is user X authorized to preform operation P?
- Is user X authorized to preform operation P on resource R?"
Friday, October 1, 2010
10/1/2010
In Class:
Reviewing chapter 2 and 3 for quiz on Wednesday
Homework:
-Read chapters 2 and 3
-Blogs will be checked on Friday
-What is the difference between authentication and authorization?
research, find examples and post on blog.
- What does the operating system do?
- Are there differences between Utility Programs and Device drivers?
if there are explain the difference.
Reviewing chapter 2 and 3 for quiz on Wednesday
Homework:
-Read chapters 2 and 3
-Blogs will be checked on Friday
-What is the difference between authentication and authorization?
research, find examples and post on blog.
- What does the operating system do?
- Are there differences between Utility Programs and Device drivers?
if there are explain the difference.
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