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Operating System (OS)

Operating System (OS)
Which are the most important features of Microsoft Windows program?

Windows
Icons
Pull-down menus
All of these
None of these

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Operating System (OS)
The most common security failure is

depending on passwords
None of these
too much emphasis on preventing physical access
carelessness by users
insufficient technology used to prevent breaches

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Operating System (OS)
The following applications may appear on system tray except

System clock
Network connection
Volume control
MS office suite

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Operating System (OS)
Part of a program where the shared memory is accessed and which should be executed invisibly is called

semaphores
None of these
directory
critical section
mutual exclusion

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Operating System (OS)
...... controls the way in which the computer system functions and provides a means by which users can interact with the computer

Application software
The platform
The motherboard
The operating system

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Operating System (OS)
Which components appear in the initial windows start up display?

Dialog box
Start menu
All of these
Task bar

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