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________ operating systems are used to control and coordinate computers that are linked together.


A) Network
B) Embedded
C) Stand-alone
D) Real-time

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Based on the macOS,Android is designed for Apple's iPhone and iPad.

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A utility program that makes a copy of all files or selected files that are in the libraries,contacts,and favorites and on the desktop.


A) Disk Cleanup
B) File History
C) Disk Defragmenter
D) VirusScan

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________ programs reduce the size of files so they require less storage space.


A) File compression
B) Device driver
C) Virtualization
D) Language translator

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This operating system is widely used by servers on the web,mainframe computers,and very powerful personal computers.


A) Windows
B) macOS X
C) Linux
D) UNIX

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A(n) ________ converts the programming instructions written by programmers into a language that the computer understands and processes.


A) language translator
B) device driver
C) app
D) utility

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A computer can become infected with viruses in all the following ways,except by ________.


A) opening attachments to email messages
B) downloading software from the Internet
C) downloading files from the web
D) creating a new folder on your computer

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Starting or restarting a computer is called tasking the system.

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In a virtualized environment,the operating system of each virtual machine is known as the ________ operating system.


A) host
B) client
C) home
D) guest

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Smartphones generally include a network operating system.

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________ software consists of operating systems,utilities,device drivers,and language translators.


A) Device
B) Suite
C) Mobile
D) System

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________ programs guard your computer system against viruses or other damaging programs that can invade your computer system.


A) Antivirus
B) Disk defragmenter
C) File history
D) Disk cleanup

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In a virtualized environment,this operating system runs on the physical machine.


A) guest
B) client
C) host
D) home

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Which of the following is not a popular desktop operating system?


A) Windows 10
B) Android
C) Linux
D) macOS X

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The operating system is often referred to as the software platform.

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Windows Server is an example of a(n) ________ operating system.


A) embedded
B) network
C) real-time
D) stand-alone

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When a single physical computer runs a special program known as virtualization software,it operates as though it were two or more separate and independent computers,known as virtual machines.

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This version of UNIX is an open source operating system that is an alternative to Windows.


A) High Sierra
B) Lion
C) Linux
D) Sierra

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Troubleshooting or ________ programs recognize and correct problems.


A) backup
B) virtualization
C) diagnostic
D) file compression

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In a network operating system,this computer coordinates all communication between computers.


A) client
B) server
C) terminal
D) mode

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