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Operating System (OS)

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

2
1
3
4
None of these

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Operating System (OS)
Which of the following are loaded in safe mode ?

Keyboard driver
VGA drive
All of the listed here
Mouse driver

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

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

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Operating System (OS)
In which addressing mode the effective address of the operand is the contents of a register specified in the instruction and after accessing the operand, the contents of this register is incremented to point to the next item in the list?

auto decrement
index addressing
indirect addressing
None of these
auto increment

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Operating System (OS)
An operating system is a program or a group of programs that

Manages the resources of the Computer
Performs the calculations of cells in Excel
Maintain the relationship in Database
Helps in checking the spelling of Word

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Operating System (OS)
The practice of "bundling" refers to

selling computers alone
selling peripheral devices with computer
giving away software with a computer purchase
selling software to run on computers
None of these

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