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Operating System (OS)

Operating System (OS)
The most recent version of MAC OS is based on the ...... operating system

CMOS
Windows
Unix
Linux

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Operating System (OS)
IBM released its first PC in 1981. Can you name the operating system which was most popular at that time?

CP/M
MS-DOS
OS/360
PC-DOS
None of these

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Operating System (OS)
The powerful text editor called PC-Write can be used by anybody by paying a small fee. Such programs are called

Shareware
Firmware
Software
Mindware
None of these

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Operating System (OS)
Which of the following is not true about the memory management?

virtual memory is used only in multi-user systems
segmented memory can be paged
paging suffers from internal fragmentation
None of these
segmentation suffers from external fragmentation

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Operating System (OS)
The memory allocation scheme subject to "external" fragmentation is

swapping
None of these
multiple contiguous fixed partitions
segmentation
pure demand paging

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Operating System (OS)
Operating system is

None of these
A collection of software routines
All of these
A collection of input-output devices
A collection of hardware components

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