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Operating System (OS)

Operating System (OS)
When did IBM release the first version of disk operating system DOS version 1.0?

1984
None of these
1981
1982
1983

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Operating System (OS)
The higher versions of the operating systems are so written that programs designed for earlier versions can still be run. What is it called?

Upgradability
None of these
Upward mobility
Universality
Upward compatibility

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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 motherboard
The platform
The operating system

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Operating System (OS)
Which of the following is an example of a real time operating system?

Windows XP
Lynx
Process Control
MS DOS

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Operating System (OS)
A ..... is a flash memory storage device that plugins into a USB port

USB flash drive
USB memory maker drive
None of above
USB snap drive

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Operating System (OS)
The ability of an operating system to control the activities of multiple program at the same time is called

Multipaging
Multiprocessing
Multioperating
Multitasking

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