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Operating System (OS)

Operating System (OS)
Recently deleted files are stored in

Desktop
Taskbar
Recycle bin
My computer

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Operating System (OS)
Four necessary conditions for deadlock to exist are: mutual exclusion, no-preemption, circular wait and

hold and wait
deadlock avoidance
race around condition
buffer overflow
None of these

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Operating System (OS)
....... is the layer of a computer system between the hardware and the user program

Operating system
None of these
System environment
Operating environment

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Operating System (OS)
A relationship between processes such that each has some part (critical section) which must not be executed while the critical section of another is being executed, is known as

multitasking
semaphore
mutual exclusion
None of these
multiprogramming

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Operating System (OS)
IBM released its first PC in 1981. Can you name the operating system which was most popular at that time?

OS/360
None of these
PC-DOS
MS-DOS
CP/M

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Operating System (OS)
A form of code that uses more than one process and processor, possibly of different type, and that may on occasions have more than one process or processor active at the same time, is known as

broadcasting
multiprogramming
None of these
time sharing
multithreading

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