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OS > Test 4 > Flashcards

Test 4 Flashcards

1
Q

Group, owner, other

A

3 Levels of file access (Linux)

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2
Q

Android user interface element that’s usually along the top

A

Action Bar (Android)

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3
Q

Designed to run on mobile devices

A

Android OS

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4
Q

Replaced memory state is placed here and saves the state of the memory. (Android)

A

Back Stack (Android)

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5
Q

Company allows employees to use their own devices.

Security risk since they could bring in potential worms/viruses.

A

Bring your own devices

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6
Q

Way of allocating memory by splitting and grouping usable memory. (Linux)

A

Buddy algorithm (Linux)

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7
Q

Program language that Windows was written in.

A

C

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8
Q

cat chapt1 chapt2 > section a

A

copy contents of chapter 1 and 2 into file section a. chapter 1 comes first.

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9
Q

Cannot host a file system (Linux)

A

Char devices (Linux)

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10
Q

Unix configuration file that contains the parameters for resources such as buffers or swap space.

A

conf.c (Unix)

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11
Q

State of when an activity when it has just begun in Android.

A

Created (Android)

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12
Q

Supervise the transmission of data between main memory and peripheral unit.

A

Device Drivers

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13
Q

(Unix) Long and detailed listing of files in a directory shows eight pieces of information for each file

A

Directory Listing (Unix)

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14
Q

Used by I/O manager to communicate with a driver when it generates an IRP request (Windows)

A

Dispatch routine (Windows)

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15
Q

Hierarchical replicated naming service for the internet.

A

DNS

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16
Q

(Windows) Groups machines into administrative units

A

Domains (Windows)

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17
Q

Way of moving stuff on Android interfaces

A

Drag gesture (Android)

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18
Q

Design goal of Android to be sleek and esthetic

A

Enchant Me

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19
Q

960x720 display on Android device

A

Extra-Large Screens (Androids)

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20
Q

Face scan for accessing devices

A

Facial recognition

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21
Q

(Windows) Memory based representation of sharable physical resources

A

File Objects (Windows)

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22
Q

When a process begins execution in Linux the segments have a fixed size

A

Fixed Size (Linux)

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23
Q

Public license where a program is open source and free to use and modify

A

GNU

24
Q

Cloud environment is built into the OS

A

Integrates cloud environments

25
Q

Language that Android apps are written in

A

Java

26
Q

Linus+Unix

A

Linux

27
Q

Linux updates

A

Every six months

28
Q

Acts to free up memory when memory is low by killing processes that have remained dormant the longest (Android)

A

Low memory killer (Android)

29
Q

Index to the array to

A

Major device number (Linux)

30
Q

Creates a new directory or subdirectory in Windows

A

MD (Windows)

31
Q

Base off of the address space of a process

A

Memory Protection (Linux)

32
Q

Contains the contents of a file in virtual memory

A

Memory-mapped files (Windows)

33
Q

Ability to utilize multiple threads. Improves data base searches.

A

Multithreading

34
Q

Received from an .exe call

A

No return (Unix)

35
Q

New Technology File System. Recovers from errors.

A

NTSF

36
Q

Points to page tables (Linux)

A

Page’s middle directory (Linux)

37
Q

IEEE Standard Portable Operating System Interface.

A

POSIX

38
Q

Is also called Kernel mode in windows

A

Privileged processor mode (Windows)

39
Q

Setup when process is created in Linux and deleted when the process is terminated

A

Process Table (Unix)

40
Q

If another event happens from while another process is getting ready to start

A

Race (Unix)

41
Q

Portion of memory

A

Resident operating system code (Windows)

42
Q

Delete file or directory in (Linux)

A

Rm (Linux)

43
Q

/

A

Root Directory (Linux)

44
Q

Lists successful and unsuccessful attempts to get into a system

A

Secure log file

45
Q

Equivalent of device drivers in Unix

A

Special files (Unix)

46
Q

State of a process when it’s been pulled from running state

A

Stopped State

47
Q

Take an entire program into memory before executing

A

Swapping (Unix)

48
Q

Detailed description of activity on a system

A

System logs

49
Q

Sequence of activities a user performs to accomplish a goal

A

Task (Android)

50
Q

Processes that use shared program code

A

Text table (Unix)

51
Q

Owns the trademark to Unix

A

The Open Group

52
Q

Unique identifier

Two stacks used in threads execution

A

Thread’s context (Windows)

53
Q

Windows file handling concept

A

Virtual File

54
Q

Allows two process to synchronize with each other in Linux

A

Wait queues

55
Q

Takes the next thing from the ready queue

A

Process Manager

OS (5 decks)

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