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Operating System (OS)

Operating System (OS)
Which is not an external command ?

Sys
XCOPY
Edit
None of the listed here

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Operating System (OS)
What is the name given to all the programs inside the computer with makes it usable?

System software
Firm ware
Shareware
None of these
Application software

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Operating System (OS)
The file structure that redefines its first record at a base of zero uses the term:

key fielding
dynamic reallocation
None of these
hashing
relative organization

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Operating System (OS)
For how many processes which are sharing common data, the Dekker's algorithm implements mutual exclusion?

3
4
None of these
2
1

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Operating System (OS)
In which of the storage placement strategies a program is placed in the smallest available hole in the main memory?

best fit
worst fit
first fit
None of these
buddy

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Operating System (OS)
The computational technique used to compute the disk storage address of individual records is called:

bubble memory
key fielding
hashing
None of these
dynamic reallocation

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