IT 342 Final Exams With Verified Study
Solutions
Windows 10 CORRECT ANSWERS PC Operating System
Universal Application Architecture CORRECT ANSWERS The universal application
architecture of Windows 10 means that applications will work across any preferred
device
Features of Windows 10 CORRECT ANSWERS System Security
-Authentication in a Domain Environment
-File system security
Local File System Permissions
Share Directory Permissions
Cortana
Cortana is a virtual assistant created by Microsoft for Windows 10
Demand Paging CORRECT ANSWERS page is not loaded into the main memory until it
is required - fixed size pages
Demand Segmentation CORRECT ANSWERS memory is divided into various-sized
segments - complicated to implement. Used in IBM OS/2.
Page Fault CORRECT ANSWERS When the desired page is not present in the main
memory
page replacement CORRECT ANSWERS find some page in memory which may not be
in use and swap it out to create a free frame in memory.
First In First Out CORRECT ANSWERS Replacement algorithm with the following
attribtues:
Simplest
Just goes in order
Easy to implement
Does not look at use of page!
Belay's Anomaly
Optimal CORRECT ANSWERS the page in the main memory which will not be used for
the longest time is swept out from the main memory to create space for the requested
page. It is the least recently used.
Counting-Based CORRECT ANSWERS Based on how many times a page is used
, Least Frequently used
page that was referred to the lowest number of times from the time when the page is
loaded in the main memory is replaced when the page fault occurs
Most Frequently used
page that has been referred to the lowest number of times may have been loaded
recently and would be required soon
Priority Allocation CORRECT ANSWERS Variation of proportional except use priority
instead of size
desired in file system? CORRECT ANSWERS Long Term Existence
Shareable across processes and users
Maintain Data Integrity
Keep unwanted users out
Objects of a file system CORRECT ANSWERS Optimize performance
Minimize loss of data
Provide standardized interface to applications
Secondary Stage CORRECT ANSWERS Physical View
How they exist in storage
OS perspective
Logical View
How they can be used and what properties they have
User's perspective (the application program)
File CORRECT ANSWERS Programs and Data
Sequence of bits
Files are organized as: CORRECT ANSWERS Bits
Bytes
Lines
Records
File Attributes CORRECT ANSWERS Name - for humans
Identifier - a tag for the software
Type - system dependent
Location - pointer to a device and the files placement
Size - current size in bytes or blocks
Protection - Access control with user executions
User - Who has access to the file
Time and Date - When the file was created, modified, or accessed
Directory storage contains CORRECT ANSWERS Unique Identifier
Name
Solutions
Windows 10 CORRECT ANSWERS PC Operating System
Universal Application Architecture CORRECT ANSWERS The universal application
architecture of Windows 10 means that applications will work across any preferred
device
Features of Windows 10 CORRECT ANSWERS System Security
-Authentication in a Domain Environment
-File system security
Local File System Permissions
Share Directory Permissions
Cortana
Cortana is a virtual assistant created by Microsoft for Windows 10
Demand Paging CORRECT ANSWERS page is not loaded into the main memory until it
is required - fixed size pages
Demand Segmentation CORRECT ANSWERS memory is divided into various-sized
segments - complicated to implement. Used in IBM OS/2.
Page Fault CORRECT ANSWERS When the desired page is not present in the main
memory
page replacement CORRECT ANSWERS find some page in memory which may not be
in use and swap it out to create a free frame in memory.
First In First Out CORRECT ANSWERS Replacement algorithm with the following
attribtues:
Simplest
Just goes in order
Easy to implement
Does not look at use of page!
Belay's Anomaly
Optimal CORRECT ANSWERS the page in the main memory which will not be used for
the longest time is swept out from the main memory to create space for the requested
page. It is the least recently used.
Counting-Based CORRECT ANSWERS Based on how many times a page is used
, Least Frequently used
page that was referred to the lowest number of times from the time when the page is
loaded in the main memory is replaced when the page fault occurs
Most Frequently used
page that has been referred to the lowest number of times may have been loaded
recently and would be required soon
Priority Allocation CORRECT ANSWERS Variation of proportional except use priority
instead of size
desired in file system? CORRECT ANSWERS Long Term Existence
Shareable across processes and users
Maintain Data Integrity
Keep unwanted users out
Objects of a file system CORRECT ANSWERS Optimize performance
Minimize loss of data
Provide standardized interface to applications
Secondary Stage CORRECT ANSWERS Physical View
How they exist in storage
OS perspective
Logical View
How they can be used and what properties they have
User's perspective (the application program)
File CORRECT ANSWERS Programs and Data
Sequence of bits
Files are organized as: CORRECT ANSWERS Bits
Bytes
Lines
Records
File Attributes CORRECT ANSWERS Name - for humans
Identifier - a tag for the software
Type - system dependent
Location - pointer to a device and the files placement
Size - current size in bytes or blocks
Protection - Access control with user executions
User - Who has access to the file
Time and Date - When the file was created, modified, or accessed
Directory storage contains CORRECT ANSWERS Unique Identifier
Name
