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Operating System (OS)

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

Unix
Linux
Windows
CMOS

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Operating System (OS)
Which of the following is system software ?

All of the listed here
Operating system
Utillities
Compiler

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Operating System (OS)
If you want to execute more than one program at a time, the systems software you are using must be capable of:

None of these
compiling
virtual memory
word processing
multitasking

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Operating System (OS)
A file organization component of a VSAM file is:

keyed sequential data set
entry sequential data set
relative record data set
None of these
All of these

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Operating System (OS)
Which type of command requires additional files to perform specific operations?

Internal commands
Valuable commands
Primary commands
External commands

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Operating System (OS)
In which addressing mode the operand is given explicitly in the instruction?

None of these
indirect mode
absolute mode
index mode
immediate mode

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