Operating systems overview( Comptia Objective 1.1) Flashcards
Why do you need an OS?
- To control interaction between components
- E.G. Memory, hard drives, keyboard, CPU etc.
- A way for humans to interact with the machine via a GUI
What is an OS a common platform for?
- Common platform for applications.
Standard OS features include?
- File Management
- Application Support( memory management, swap file management)
- Input and Output support( Printers, keyboards, hard drives, usb drives etc)
- Operating system configuration and management.
What are some advantages of Microsoft Windows?
- Large industry support
- Broad selection of OS options
- Wide variety of software support.
What are some disadvantages of Microsoft Windows? -
- Large install base provides a big target for security exploitation
- Large hardware support can create challenging integration exercises.
What are some advantages of Apple Mac OS?
- Easy to use
- Extremely compatible
- Relatively fewer security concerns.
What are some disadvantages of Apple Mac OS?
- Requires Apple Hardware
- Less industry support than the PC platform
- Higher initial hardware cost.
What are some advantages of the Linux OS?
- Cost is free!
- Works on a variety of hardware
- Passionate and active user community
What are some disadvantages of Linux OS?
- Limited driver support, especially for laptops
- Limited support options.
What are some differences between a 64 bit OS and a 32 bit OS?
- 32 bit processors can store 2 to the power of 32( 4,294,967, 296 values. ( 4 billion or 4 GB)
- 64 bit processors can store up to 2 to the power of 64 values( 18,446,744,073,709,551,616 values) or 17 Billion GB.
- However OS will have a maximum supported value of memory of its own.
When downloading hardware drivers what do you need to be sure of?
- You must make sure that you only use 32 bit drivers for a 32 bit OS and only use 64 bit drivers for a 64 bit OS
When it comes to a 32bit OS what can you not do when it comes to applications?
- Can’t run 64bit applications, however you can run 32 bit and 64 bit applications on a 64 bit OS.
What version of Windows used to be available specifically for Mobile devices( tablets etc)?
- Windows Mobile
- No longer in development and not supported after December of 2019.
What is another name for Google Android?
- Open Handset Alliance
- Open source OS based on Linux.
- Supported by many different manufacturers devices.
Who develops Apps for Android?
- Apps are developed on Windows, Mac OS, and Linux with the Android SDK
- Apps available on the google playstore.
- Apps are also available from third party sites such as Amazon etc.
What is the Apple IOS OS based upon?
- Based on Unix
- Closed source OS apps only available from apple. There is access to its OS source code.
- Exclusive to Apple products.
What can you use to develop apps for IOS ?
- Apps are developed with IOS SDK( Software Development Kit) on MAC OS.
- Apps must be approved by Apple before release
What is the name of Googles very own OS?
- Chrome OS which is based on the Linux kernel
What does the Chrome OS center itself around?
- Centers around the Chrome web browser
- Most apps are web-based.
What must you make sure that you have in order to properly run Chrome OS?
- Must make sure you have a good internet connection as the OS heavily depends on the cloud
What is an example of something that can be shared between different Os’s?
- Typically you can share movies and music across multiple OS’s without compatibility issues.