Operating System (OS)
Which of the following capabilities is required for a system program to execute more than one program at a time?

word processing
virtual memory
compiling
None of these
multitasking

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Operating System (OS)
Daisy chain is a device for

interconnecting a number of devices to a number of controllers
All of these
None of these
connecting a number of devices to a controller
connecting a number of controllers to a device

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