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Operating System (OS)

Operating System (OS)
Poor response time are usually caused by

High I / I rates
Any of the listed here
High paging rate
Process busy

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Operating System (OS)
The principles of structured programming forbid the use of

WHILE-DO
IF-THEN-ELSE
None of these
DO-WHILE
GOTO

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Operating System (OS)
Which is built directly on the hardware?

Computer Environment
Operating system
Application software
Database system

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Operating System (OS)
The OS used to operate the mobile phone is a

None of the listed here
Embedded OS
Multiuser OS
Smart card OS

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Operating System (OS)
Information in a memory that is no longer valid or wanted is known as

garbage
surplus
volatile
non-volatile
None of these

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Operating System (OS)
Which of the following statement about directories is false?

The root directory is always at the highest level
Directories can exist inside directories
Directories cannot be renamed
Directories can be deleted

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