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Which operating system is used by most desktop and laptop computers?


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

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C: denotes a ________ directory that is at the top of the filing structure of a computer.


A) top-level
B) cluster
C) root
D) upper-level

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UNIX was developed by Ken Thompson and Dennis Richie, who worked at ________.


A) IBM
B) Microsoft
C) Xerox
D) AT&T's Bell Labs

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Most smartphones use operating systems developed by ________.


A) Google and Apple
B) Apple and Microsoft
C) Microsoft and Google
D) Symbian and Apple

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A

iOS was developed by ________ as the operating system for its tablets and smartphones.

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File names in Windows are case-sensitive.

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Which of the following is NOT a Windows utility program?


A) Disk Cleanup
B) Desktop
C) Disk Defragmenter
D) System Restore

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The Windows feature that removes a newly installed, improperly working driver and replaces it with the last one that worked is called ________.

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Roll Back ...

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You can use the Windows ________ to check on a nonresponsive program.


A) System Restore
B) Backup utility
C) Error-checking
D) Task Manager

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Most supercomputers use the ________ operating system.

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About 90% of desktop and laptop computers run some version of Windows.

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Windows 8 has a new interface that is optimized for touch-screen devices.

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Every computer has an operating system.

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The High Contrast accessibility feature enables you to select a color scheme setting in which you control the contrast between text and background.

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Errors in computer software are called ________.


A) worms
B) beetles
C) bugs
D) spiders

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C

The location of a file is specified by its ________.


A) drive identifier
B) file path
C) file type
D) file extension

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A personal computer can only have one operating system installed on it.

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False

The fuel-injection system in car engine uses a(n) ________ operating system.

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Match each of the following terms to its meaning:

Premises
track
sector
platter
taskbar
folder
Responses
displays open and favorite applications
storage location for a collection of files
concentric circle on the hard drive
pie-shaped wedge on the hard drive
round,thin plate of metal that makes up a hard drive

Correct Answer

track
sector
platter
taskbar
folder

You can return to the Start screen in Windows 8 by pressing the Windows key on the computer keyboard.

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