Operating systems overview( Comptia Objective 1.1)

Question 1

Why do you need an OS?

Answer 1

• 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

Question 2

What is an OS a common platform for?

Answer 2

• Common platform for applications.

Question 3

Standard OS features include?

Answer 3

• 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.

Question 4

What are some advantages of Microsoft Windows?

Answer 4

• Large industry support
• Broad selection of OS options
• Wide variety of software support.

Question 5

What are some disadvantages of Microsoft Windows? -

Answer 5

• Large install base provides a big target for security exploitation
• Large hardware support can create challenging integration exercises.

Question 6

What are some advantages of Apple Mac OS?

Answer 6

• Easy to use
• Extremely compatible
• Relatively fewer security concerns.

Question 7

What are some disadvantages of Apple Mac OS?

Answer 7

• Requires Apple Hardware
• Less industry support than the PC platform
• Higher initial hardware cost.

Question 8

What are some advantages of the Linux OS?

Answer 8

• Cost is free!
• Works on a variety of hardware
• Passionate and active user community

Question 9

What are some disadvantages of Linux OS?

Answer 9

• Limited driver support, especially for laptops

- Limited support options.

Question 10

What are some differences between a 64 bit OS and a 32 bit OS?

Answer 10

• 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.

Question 11

When downloading hardware drivers what do you need to be sure of?

Answer 11

• 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

Question 12

When it comes to a 32bit OS what can you not do when it comes to applications?

Answer 12

• Can’t run 64bit applications, however you can run 32 bit and 64 bit applications on a 64 bit OS.

Question 13

What version of Windows used to be available specifically for Mobile devices( tablets etc)?

Answer 13

• Windows Mobile

- No longer in development and not supported after December of 2019.

Question 14

What is another name for Google Android?

Answer 14

• Open Handset Alliance
• Open source OS based on Linux.
• Supported by many different manufacturers devices.

Question 15

Who develops Apps for Android?

Answer 15

• 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.

Question 16

What is the Apple IOS OS based upon?

Answer 16

• Based on Unix
• Closed source OS apps only available from apple. There is access to its OS source code.
• Exclusive to Apple products.

Question 17

What can you use to develop apps for IOS ?

Answer 17

• Apps are developed with IOS SDK( Software Development Kit) on MAC OS.
• Apps must be approved by Apple before release

Question 18

What is the name of Googles very own OS?

Answer 18

• Chrome OS which is based on the Linux kernel

Question 19

What does the Chrome OS center itself around?

Answer 19

• Centers around the Chrome web browser

- Most apps are web-based.

Question 20

What must you make sure that you have in order to properly run Chrome OS?

Answer 20

• Must make sure you have a good internet connection as the OS heavily depends on the cloud

Question 21

What is an example of something that can be shared between different Os’s?

Answer 21

• Typically you can share movies and music across multiple OS’s without compatibility issues.