超星 - Chapter1-9复习题单选

单选题

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

A. opening attachments to e-mail 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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单选题

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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单选题

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

A. Device
B. Suite
C. Sector
D. System

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单选题

A(n) _____ converts the programming instructions into a language that the computer understands and processes.

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

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单选题

The _____ system coordinates computer resources, provides the user interface, and runs applications.

A. sector
B. operating
C. device
D. translator

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单选题

_____ are graphic representations for a program, type of file, or function.

A. Sectors
B. Drivers
C. Icons
D. Pixels

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单选题

Smartphone operating systems are a type of _____ operating system.

A. network
B. stand-alone
C. DBMS
D. real-time

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单选题

_____ 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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单选题

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

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

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单选题

_____ operating systems control a single desktop or laptop computer.

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

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