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Operating System (OS)

Operating System (OS)
The shortcut key to open a task manager is:

Alt + Tab
F1
Alt + Ctrl + Delete
Alt + F1

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Operating System (OS)
Which of the following memory unit that processor can access more rapidly

Virtual Memory
Cache memory
Read Only Memory
Main Memory

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Operating System (OS)
....... is the layer of a computer system between the hardware and the user program

None of these
Operating system
Operating environment
System environment

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Operating System (OS)
User action such as keystroke or mouse click are referred to as

Interrupt
Processes
Tasks
Event

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Operating System (OS)
Press the ..... button to have the window fill the entire screen

None of these
Maximize
Close
Minimize

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Operating System (OS)
Access time is the highest in the case of

swapping devices
floppy disk
None of these
cache
magnetic disk

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MORE MCQ ON Operating System (OS)

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