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Operating System > Chapter 2 > Flashcards

Chapter 2 Flashcards

1
Q

Type of system calls that Get time/date, set time/date

A

Information maintenance

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2
Q

The OS provides application programmers with API to invoke services
(T/F)

A

True

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3
Q

Type of system calls that Create file and delete file

A

File management

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4
Q

In …………, It is easier to extend the OS

A

Micro-kernel approach

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5
Q

In ………………., Linking additional services dynamically is preferable to recompiling the kernel every time a change is made
(operating system structure)

A

Modules Approach

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6
Q

The process of starting a computer by loading the kernel

A

System Boot

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7
Q

…………. provides more security and reliability

A

Micro-kernel approach

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8
Q

In layered approach, bottom layer (layer 0) is …………

A

hardware

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9
Q

Removes all nonessential components from the kernel and implements them as system programs
(operating system structure)

A

Micro-kernel Approach

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10
Q

Allocate resources to the running processes

A

Resource allocation

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11
Q

Loosely-coupled as changes in one layer do not affect the others
(operating system structure)

A

Layered Approach

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12
Q

In micro-kernel approach, No need to modify of the kernel
(T/F)

A

True

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13
Q

In ………….., Each layer uses the functions of only the lower-level layers
(operating system structure)

A

Layered Approach

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14
Q

type of system calls that Create, load, execute, terminate, and abort

A

process control

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15
Q

To provide very efficient performance

A

Monolithic

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16
Q

……….. are available as functions written in C and C++

A

System calls

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17
Q

Recording which process uses how much and what kinds of resources

A

Logging

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18
Q

Difficult to implement and extend
(operating system structure)

A

Monolithic Approach

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19
Q

In micro-kernel approach, Most services are running as kernel rather than user processes
(T/F)

A

False

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20
Q

It is easier to port the OS from one hardware design to another. this is an advantage of …………

A

Micro-kernel approach

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21
Q

In micro-kernel approach, New services are added as system programs
(T/F)

A

True

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22
Q

In …………, Several OSs use of this approach, such as UNIX, Linux, and Windows
(operating system structure)

A

Monolithic Approach

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23
Q

Very little overhead in the system-call interface
(operating system structure)

A

Monolithic Approach

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24
Q

the primary module has only core functions. This is a similarity between the …………. and …………

A

Modules approach, Micro-Kernel approach

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25
Q

Type of system calls that Get and set device attributes, logically attach or detach devices

A

Device management

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26
Q

Type of system calls that Get system data, set system data

A

Information maintenance

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27
Q

In ………………, If a service fails, the rest of the operating system remains untouched

A

Micro-Kernel Approach

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28
Q

A single, static binary file that runs in a single address space
(operating system structure)

A

Monolithic Approach

29
Q

Type of system calls that Open, close, read, write, reposition file

A

File management

30
Q

…………… ensures that all access to system resources is controlled

A

protection

31
Q

In …………, No structure at all
(operating system structure)

A

Monolithic Approach

32
Q

Makes it easier to implement and extend the kernel
(operating system structure)

A

Layered Approach

33
Q

……………. Provide an interface to the services provided by the OS

A

system calls

34
Q

This type of design is common in modern implementations of UNIX,
such as Linux, macOS, and Solaris, as well as Windows
(operating system structure)

A

Modules Approach

35
Q

In …………., it is difficult to define the functionality of each layer
(operating system structure)

A

Layered Approach

36
Q

User processes can execute I/O operations directly
(T/F)

A

False

37
Q

………. is both monolithic and modular

A

Linux

38
Q

……….. allow user processes to read, write, create, and delete files

A

File-system manipulation

39
Q

The ……. of the system from outsiders is also important

A

security

40
Q

Type of system calls that Get file attributes and set file attributes

A

File management

41
Q

Type of system calls that Wait for time, wait event, signal even, allocate and free memory

A

Process control

42
Q

In layered approach, Traversing multiple layers to call services results in ………… performance
(operating system structure)

A

Poor

43
Q

Some low-level tasks may be written using ………..

A

assembly-language

44
Q

It is easier to modify kernel if needed as it is a smaller kernel. this is an advantage of …………

A

Micro-kernel approach

45
Q

To add new functionality dynamically to the kernel

A

Modular

46
Q

In layered approach, highest layer (layer n) is …………

A

user interface

47
Q

Implemented via shared memory or message passing

A

Communications

48
Q

Type of system calls that Send message, receive message, transfer status information

A

Communications

49
Q

………. Load programs into memory and run them

A

program execution

50
Q

each kernel section has a defined and protected interface. This is a similarity between …………… and ………….

A

Modules approach, layered approach

51
Q

User processes can use …………. to call the OS services

A

system calls

52
Q

the OS must provide processes with some means to perform I/O
(T/F)

A

True

53
Q

Type of system calls that Request device, release device, read, write, reposition

A

Device management

54
Q

Type of system calls that Create, delete communication connection

A

Communications

55
Q

In ……………., The kernel has a set of core components and can link in additional
services via LKMs, either at boot time or during run time
(operating system structure)

A

Modules Approach

56
Q

more flexible, because any module can call any other module. This is a difference between …………… and ………….

A

Modules approach, layered approach

57
Q

Tightly-coupled as changes to one part can affect other parts
(operating system structure)

A

Monolithic Approach

58
Q

Type of system calls that Get process, file, or device attributes, set process, file, or device attributes

A

Information maintenance

59
Q

A program must be able to end its execution, either normally or abnormally
(T/F)

A

True

60
Q

Type of system calls that Attach remote device, detach remote device

A

Communications

61
Q

Communication within the kernel is fast
(operating system structure)

A

Monolithic Approach

62
Q

Divides the OS into a set of layers
(operating system structure)

A

Layered Approach

63
Q

very few OSs adopt a single, strictly defined structure
(T/F)

A

True

64
Q

Enable user processes to exchange information

A

Communications

65
Q

Type of system calls that Get process attributes and set process attributes

A

Process control

66
Q

When a process executes a system call, the system traps to the OS
(T/F)

A

True

67
Q

modules do not need to use message passing to communicate. This is a difference between …………… and ………….

A

Modules approach, Micro-Kernel approach

68
Q

………… Provide a graphical user interface (GUI) or a command-line interface (CLI)

A

User Interface

69
Q

Ensure correct computing by detecting errors in hardware or user programs

A

Error detection

Operating System (4 decks)

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