COMPUTER SYSTEMS

OPERATING SYSTEMS AND SOFTWARE

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LESSON OBJECTIVE

• This lesson will teach you about computer system software.

Including:What system software is;What an operating system is;What application software is;What device drivers are.

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INSTRUCTIONS

Complete this lesson at your own pace.

Use the navigational buttons along the bottom to move throughout the lesson.

Pay close attention to the information because there are quizzes to test your knowledge.

Have fun!

Start the lesson by clicking the NEXT button.

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COMPUTER SYSTEM

• A computer system is a set of interacting or interdependent entities.

• Computer systems have a structure that is defined by its parts and processes.

• All computer systems function using inputs and outputs.

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SYSTEM SOFTWARE

• System software handles technical details.

• System software works with the end user, application/utility software, and computer hardware.

• There are three main types of programs that make up the system software.

1. Operating system2. Application/utility software3. Device drivers

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COMPUTER SYSTEM DIAGRAM

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COMPUTER SYSTEM QUESTION #1

System software includes which of the following?

3. Device Drivers

4. All of the above

2. Application/utility software

1. Operating system

Click on the best answer

COMPUTER SYSTEM #1

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COMPUTER SYSTEM #1

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COMPUTER SYSTEM #1

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COMPUTER SYSTEM #1

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COMPUTER SYSTEMQUESTION #2

True False

System software works with the end user, application/utility software, and computer hardware.

Click on the best answer

REINFORCE SYSTEM SOFTWARE #2

• There are three main types of programs that make up the system software.

1. Operating system2. Application/utility

software3. Device drivers

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COMPUTER SYSTEM #2

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COMPUTER SYSTEM #2

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REINFORCE SYSTEM SOFTWARE #2

System software works with the end user, application/utility software, and

computer hardware.

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OPERATING SYSTEM

Every computer has an operating system.

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Operating systems provide a basis for application programs and acts as an intermediary between user and hardware.

OPERATING SYSTEM

An operating system is sometimes called the software environment or platform.

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OPERATING SYSTEM

Operating systems handles behind the scene activities that we don’t usually consider.

These tasks include:

1. Loading and running programs2. Organizing files3. Coordinating networks that share resources

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CATEGORIES OF OPERATING SYSTEMS - ENVIRONMENTS

Three main environments of operating systems

1. Stand-alone operating system – Desktop

2. Networked operating system – Linked computers

3. Embedded operating system – Hand-held

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CATEGORIES OF OPERATING SYSTEMS - DIVISIONS

Two distinct divisions of operating systems

1. Proprietary - Owned and licensed by a corporation - Most operating system are proprietary

2. Non-Proprietary - Source code is free and available to the public - Called an open source program

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CATEGORIES OF OPERATING SYSTEMS - MAKES

Four main makes of operating systems

1. UNIX2. Microsoft Windows3. Mac OS (Apple/Macintosh)4. Linux

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OPERATING SYSTEM QUESTION #1

4. None of the above

1. Proprietary

2. Dominion

3. Non-Proprietary

What is a free or open source operating system called?

Click on the best answer

OPERATING SYSTEM #1

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OPERATING SYSTEM #1

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OPERATING SYSTEM #1

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OPERATING SYSTEM #1

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REINFORCE OPERATING SYSTEM #1

Operating systems that are made of source code that is free and available to the public are called open source or

non-proprietary.

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OPERATING SYSTEMQUESTION #2

True False

Every computer has an operating system.

Click on the best answer

OPERATING SYSTEM #2

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OPERATING SYSTEM #2

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REINFORCE OPERATING SYSTEM #2

Operating systems handles behind the scene activities that we don’t usually consider.

These tasks include:

1. Loading and running programs2. Organizing files3. Coordinating networks that share resources

Therefore, every computer has an operating system in order to work. NEXT

K E N T H O M P S O N ( L E FT ) A N D D E N N I S R I TC H I E

UNIX

UNIX co-founders NEXT

UNIX

• First deployment of UNIX 1962

• Operating system that the internet was conceived on

• Proprietary operating system

• PDP-7 based command prompt operating system

• Common descendants of UNIX in use today- Solaris - AIX - Linux- SCO UnixWare - HP/UX - Mac OS

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PA U L A L L E N ( L E FT ) A N D B I L L G AT E S

MICROSOFT WINDOWS

Microsoft co-founders NEXT BACK

MICROSOFT WINDOWS

• First version of Windows released in 1985

• The most popular operating system

• Proprietary operating system

• MS-DOS based graphical interface operating system

• Common versions in use today- Windows 8 - Windows 7- Windows Vista - Windows XP

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S T E V E N W O Z N I A K ( L E FT ) A N D S T E V E N J O BS

APPLE - MACINTOSH

Apple co-founders NEXT BACK

MAC OS

• First version of MAC OS released in 1984

• Not used as widely as Windows

• Proprietary operating system

• UNIX based graphic interface operating system

• Common versions of Mac OS X in use today- Mountain Lion 10.8 - Lion 10.7- Snow Leopard 10.6 - Leopard 10.5

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L I N U S T O RVA L D S

LINUX

Linux Creator NEXT BACK

LINUX

• First release of Linux kernel 1991

• Operating system used on many servers, mainframe computers and supercomputers (derived from UNIX)

• Non-Proprietary operating system

• UNIX based open source operating system

• Most common distributions of Linux in use today- Mint Linux - Mageia - Debian- Ubuntu - Fedora

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OPERATING SYSTEM TYPEQUESTION #1

4. Both 2 and 3

1. Windows XP

2. Solaris

3. AIX

What is a distribution of UNIX ?

Click on the best answer

OPERATING SYSTEM TYPE #1

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OPERATING SYSTEM TYPE #1

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OPERATING SYSTEM TYPE #1

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OPERATING SYSTEM TYPE #1

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REINFORCE OPERATING SYSTEM TYPE #1

There are hundreds of descendants of the UNIX operating system.

Common descendants of UNIX in use today

- Solaris - AIX - Linux- SCO UnixWare - HP/UX - Mac OS

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OPERATING SYSTEM TYPEQUESTION #2

True False

Windows was the operating system that the internet was conceived on?

Click on the best answer

OPERATING SYSTEM TYPE #2

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OPERATING SYSTEM TYPE #2

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REINFORCE OPERATING SYSTEM TYPE #2

The Windows operating system was not created when the internet was first conceived.

The first deployment of UNIX was in1962 and was the birthplace of the internet.

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OPERATING SYSTEM TYPEQUESTION #3

4. Windows

1. Unix

2. Mac OS X

3. Linux

What is the most popular operating system?

Click on the best answer

OPERATING SYSTEM TYPE #3

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OPERATING SYSTEM TYPE #3

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OPERATING SYSTEM TYPE #3

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OPERATING SYSTEM TYPE #3

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REINFORCE OPERATING SYSTEM TYPE #3

Windows owns 90+% of the market share of computer operating systems and is the most widely used.

However, Mac OS has gained significant ground in recent years.

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OPERATING SYSTEM TYPEQUESTION #4

True False

Mac OS X operating system is based of UNIX?

Click on the best answer

OPERATING SYSTEM TYPE #4

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OPERATING SYSTEM TYPE #4

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REINFORCE OPERATING SYSTEM TYPE #4

The Mac OS X operating system is based on UNIX. This is why the file system is different from Windows and why compatibility issues exists between the operating systems.

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OPERATING SYSTEM TYPEQUESTION #5

4. Mac OS

1. Windows

2. UNIX

3. Linux

Ubuntu, Fedora, and Debian are all examples of what Non-Proprietary operating system?

Click on the best answer

OPERATING SYSTEM TYPE #5

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OPERATING SYSTEM TYPE #5

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OPERATING SYSTEM TYPE #5

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OPERATING SYSTEM TYPE #5

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REINFORCE OPERATING SYSTEM TYPE #5

The only operating system of the choices that is a non-proprietary operating system is Linux.

Ubuntu, Fedora, and Debian are all common descendants of the Linux operating system.

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OPERATING SYSTEM TYPEQUESTION #6

True False

Bill Gates is a co-founder of Apple?

Click on the best answer

OPERATING SYSTEM TYPE #6

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OPERATING SYSTEM TYPE #6

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REINFORCE OPERATING SYSTEM TYPE #6

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APPLICATION/UTILITY SOFTWARE

• Application/Utility software is a program or group of programs designed for end users.

• Application/Utility software includes database programs, word processors, spreadsheets and Apps that specialized programs downloaded onto mobile devices.

• Examples:- Adobe - Mobile GPS Apps- Web browsers - Photoshop

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APPLICATION/UTILITY SOFTWARE QUESTION #1

True False

A web browser is an application software.

Click on the best answer

APPLICATION/UTILITY SOFTWARE #1

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APPLICATION/UTILITY SOFTWARE #1

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REINFORCE APPLICATION/UTILITY SOFTWARE #1

• Application/Utility software is a program or group of programs designed for end users.

• Examples:- Adobe - Mobile GPS

Apps- Web browsers - Photoshop

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DEVICE DRIVERS

• Specialized programs that allow communication between a device and the computer.

• When a new device is added, new device drive must be installed.

• Device drivers - programs that work with operating system to allow communication between device(s) and rest of physical system.

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DEVICE DRIVER QUESTION #1

True False

Communication between computer and devices are done through application software.

Click on the best answer

DEVICE DRIVERS #1

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DEVICE DRIVERS #1

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REINFORCEMENT DEVICE DRIVERS #1

• Specialized programs that allow communication between a device and the computer.

• Device drivers - programs that work with operating system to allow communication between device(s) and rest of physical system.

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THE END

THE END

TRUE AND FALSE MASTER

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