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Operating System (OS)

Operating System (OS)
What should be the extension to execute files?

BAT
All of these
COM
EXE

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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
compiling
multitasking
virtual memory
None of these

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Operating System (OS)
If you do not know which version of MS-DOS you are working with, which command will you use after having booted your operating system?

None of these
VER command
DIR command
DISK command
FORMAT command

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Operating System (OS)
A hardware device that is capable of executing a sequence of instructions, is known as

CU
ALU
CPU
None of these
Processor

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Operating System (OS)
Non-modifiable procedures are called

topdown procedures
serially usable procedures
reentrant procedures
concurrent procedures
None of these

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Operating System (OS)
Which of the following is the extension of WordPad?

.rtf
.xls
None of above
.ppt

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