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System Software
In this chapter, We look at the system software used to computer run smoothly and securely
47
Computer Networking
Undergraduate 1
11/11/2011

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Term
section 1 summary
Definition
The operation system (OS) is the most important type of system software because it provides the user with the interface to communicate with the hardware and other software on the computer. The operating system also manages the allocation of memory and processing resources to both Plug in Play and device driver , and provides services to application though the use of application programming. interface (API) .
Term
System software
Definition
Software that makes the computer run
Term
operating system ( OS)
Definition
provides the user with the interface to communicate with the hardware and other software on the computer and manages system resources.
Term
graphical user interface ( GUI)
Definition
allows a users to point to and click on objects to start commands.
Term
multitasking
Definition
the ability to do more than one task at a time.
Term
Plug and Play (PnP)
Definition
allows you to easily add new hardware to a computer system.
Term
device driver
Definition
is software that enhances the capabilities of the operating system.
Term
application programming interface
Definition
which allows the application to request service from the operating system, such as a request to print of save a file.
Term
1st thing you need to know sec 1
Definition
A GUI allows you to point and click to control your computer .
Term
2nd thing you need to know sec1
Definition
The OS manages the system resource:processing and memory.
Term
3rd thing you need to know sec1
Definition
PnP allows you to add new hardware easily.
Term
4th thing you need to know
Definition
Application software communicates with the OS though an API
Term
section 2 summary
Definition
There are many different stand -alone operation systems. in the section we look at the three most common stand- alone operation system to day ( Microsoft Windows ,Mac OS X, and Linux )
Term
beta version
Definition
A per-release version of software
Term
Linux
Definition
was first developed in 1991 by Linus Torvalds , then a graduate Student at the University of Helsinki. An open source operation system distribution that contains the Linux kernel and bundled utilities and application.
Term
Mac OS X
Definition
was first released in 2001 as Mac OS 10.0 also called Cheetah.
Term
Microsoft Windows
Definition
The most common desktop operating system since 1985
Term
open source
Definition
Software that has its source code published and made available to the public, enabling anyone to copy modify and redistribute it with out paying fees.
Term
Chromium OS
Definition
is an open source project that aims to provide a fast, simple, and more secure computing experience for people who spend most of their time on the web.
Term
1st thing you to know sec 2
Definition
Microsoft Windows is the primary OS installed on PCs.
Term
2nd thing you need to know sec2
Definition
Mac OS X is owned by Mac OS
Term
3rd thing you need to know sec2
Definition
Linux is an open source kernel OS that's distributed as part of many versions.
Term
section 3 summary
Definition
In this section we look at some common network operating system (Windows server 2008 R2, Linux, UNIX,Novell)
Term
network operating system (NOS)
Definition
is a multiuser operating system that controls the software and hardware that runs on a network.
Term
Windows Server
Definition
found on many corporate network; available in versions from Small Business edition to Enterprise and Data center editions.
Term
Linux
Definition
it's impossible to know how many Linux servers are currently installed because there are so many versions that can be downloaded and installed for free and without registration.
Term
Unix
Definition
Found on servers from HP(HP-UX) ,IBM(AIX) and sun (Solaris)
Term
Novell
Definition
was a leader in business servers throughout the 1980s and 1990s with its Netware products but moved to open source in the past decade.
Term
1st thing you need to know sec 3
Definition
A NOS controls the software and hardware that runs on a client-server network.
Term
2nd thing you need to know sec 3
Definition
The most common NOS are Windows Server,UNIX,and Linux
Term
3rd thing you need to know
Definition
A NOS isn't necessary on a peer-to-peer network.
Term
section 4 summary
Definition
Embedded operation system run on devices such as ATM machines, smartphones,GPS devices,video game consoles , ultrasound machines, and even the communication and entertainment system in your car. Because they have very specialized and limited functions , these operting systems can be very small and on simpler hardware.
Term
embedded operation system
Definition
A specialized operation system that runs on GPS devices,ATMs,smartphones, and other devices.
Term
WebOS
Definition
is a virtural desktop that you interact with though your brower.
Term
1st thing you need to know sec4
Definition
Embedded OSs are small and specialzed for devices such as GPS,ATMs, and cell phones.
Term
2nd thing you need to know sec4
Definition
A Web OS is a virtural desktop that provides access to your applications and documents though a web brower.
Term
section 5 summary
Definition
Utility software helps the user maintain the computer and is also considerd system software.
Term
fotmatted
Definition
to hold flies , a set of concentric circles called tracks are created.
Term
file system
Definition
Keeps tracks of what files are saved and where they're stored on the disk.
Term
file fragment
Definition
Files that are fragment are broken into small pieces that are stored in nonadjacent or nonconcontiguous clusters on the disk.
Term
disk defragmenter
Definition
is a utility that rear-rangers the fragement files on your disk to improve efficiency.
Term
1st thing you need to know sec 5
Definition
Utility software helps you to mantain your computer.
Term
2nd thing you need to know sec 5
Definition
you formant a disk to prepare it to hold data.
Term
3rd thing you need to know sec 5
Definition
Files that are broken up and stored in noncontiguous cluster are considerd to be fragment.
Term
4th thing you need to know sec 5
Definition
NTFS(New Technology File System) is the file system used on Windows-format hard drives.
Term
section 6 summary
Definition
Every personal computer has a operating system, so there will always be people who can install and troubleshoot OS problem. Certification related to network opering systems.
Term
Microsoft Certified Technology Specialist (MCTS)
Definition
Certification is one way to show your expertise in Windows operating systems.
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