Chapter 12 Operating Systems

Question 1

Operating Systems

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Answer 1

• OS
• Must communicate with the computer hardware to perform tasks like…
  
  • File and disk management
  • Device access
  • Memory management
  • Output format

Question 2

Application

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Answer 2

• Software that is written to supplement the commands available to a particular OS
• Ex.
  
  • Microsoft Word
  • Internet Explorer

Question 3

Driver

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Answer 3

• Software that allows your computer to communicate with hardware or devices

Question 4

Version

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Answer 4

• Particular revision of a software

Question 5

Source

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Answer 5

• Actual code that defines how a piece of software works
• Open source
  
  • OS can be examined and modified by anyone
• Closed Source
  
  • Only owner or developer can modify the OS

Question 6

Shell

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Answer 6

• Program that runs on top of the OS and allows user to issue commands

Question 7

Cooperative multitasking

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Answer 7

• A method that depends on the application itself

- The responsibility of the currently running task is to give up the processor to allow other tasks to run.

Question 8

Preemptive multitasking

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Answer 8

• OS decides how long to allocate to any one task before giving another task a turn to use the operating system
• Used in modern OS

Question 9

Multitasking

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Answer 9

• The ability of a single application to have multiple requests in to the processor at one time

Question 10

32-bit

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Answer 10

• Can only run on 32-bit processors

Question 11

64-bit

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Answer 11

• Can only run on 64-bit processors

- Was more common with servers than desktops

Question 12

x86

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Answer 12

• Commonly used to refer to OS intended to run on the Intel processor
  32-bit

Question 13

x64

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Answer 13

• 64-bit

Question 14

Windows Desktop

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Answer 14

• Consists of…
  
  • Start Menu
  • Taskbar
  • # of icons
  • Shortcuts

Question 15

Taskbar

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Answer 15

• Start Menu
• System tray (systray)
• Quick launch area
  
  • Commonly used programs are here

Question 16

Start Menu

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Answer 16

• Main gateway to your computer’s programs, folders, and settings
• Start programs
• Open commonly used folders
• Search for files, folders, and programs
• Adjust computer settings
• Get help with the Windows operating system
• Turn off the computer
• Log off from Windows or switch to a different user account

Question 17

Icons

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Answer 17

- Quick access to shortcuts
Elements:
- Icon label
- Icon graphic
- Program location or path

Question 18

Standard Desktop Icons

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Answer 18

• Recycle Bin
• Computer/My Computer
• Network/Network Neighborhood/My Network Places

Question 19

Window Elements

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Answer 19

• Control box
• Min. & Max./Restore Buttons
• Close Button
• Title Bar
• Menu Bar
• Active Windows
• Border

Question 20

Windows Upgrade

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Answer 20

• Windows includes a feature called Windows Update
• Downloads updates like, patches and security fixes
• Installs them automatically

Question 21

How Windows Update Works

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Answer 21

• Starts by itself or manually
• Goes online to check if other updates are available
• If there are newer updates it automatically downloads them
• Asks you if you want to install them

Question 22

Restore Points

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Answer 22

• A copy of your system configuration at a given point of time

Question 23

How are Restore Points created

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Answer 23

• Windows creates them automatically
• Manually created by you
• During the installation of some programs

Question 24

File Management

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Answer 24

• The process by which a computer stores data and retrieves it from storage

Question 25

Windows Explorer pg.594

Answer 25

Capabilities - View/Create file and directories - Open Programs - Copy/Move objects to other locations - Delete or rename objects - Change file attributes