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What are interrupts initiated by instructions called?
Those would be software interrupts. Interrupts initiated by the hardware would be hardware interrupts. While the socket a mouse is plugged into would use a hardware interrupt, a mouse driver would use a software interrupt.
In a multiprogramming and time-sharing environment several users share the system simultaneously This situation can result in various security problems?
Two possible security problems could be: copying another user's data; using system resources (CPU, memory, disk space) without proper accounting.
What takes advantage of the extreme speed disparity between a computer and its peripheral devices?
multiprogramming
What is the purpose of interrupts in computer systems?
Interrupts in computer systems are used to temporarily pause the current process and redirect the CPU's attention to a higher-priority task, such as handling input/output operations or responding to hardware events. This helps improve system efficiency by allowing the CPU to quickly address urgent tasks without wasting time on less critical processes.
How many interrupts are found in computers today?
24... n that is the correct answer..
Is it possible to do multiprogramming with only one partition of the memory?
is it possible to do multiprogramming with only one partition
Difference between uniprogramming and multiprogramming?
In Multiprogramming it is possible to run several programs at same time rather than one at a time in uniprogramming.. and higher resource utilization.
Briefly compare active and passive multiprogramming?
When a program that is being processed by the CPU issues an I/O command, control is passed to the I/O processor and the CPU is freed to process other programs. This is known as passive multiprogramming. The problem with this, is that the interruptions are primarily controlled by the programs and not the CPU. As an answer to this problem, the CPU was given the control with the advent of active multiprogramming. Active multiprogramming enabled a program to use a preset slice of CPU time before putting the program on hold to process another program. This became the advent of CPU time slicing and became the foundation for time-sharing systems in the 1960's and forward.Active is to do something with energy, while passive is to accept what comes without putting much effort forth.
Is windows operating system multiprogramming or multitasking?
multiprogramming
When was THE multiprogramming system created?
THE multiprogramming system was created in 1968.
Is multitasking a logical extension of multiprogramming?
timesharing is logical extention of multiprogramming.
What are the various type of interrupts?
There are three types of interrupts.... 1. internal Interrupts 2. External Interrupts 3. Software Interrupts... read more
How many interrupts in?
it has 256 interrupts ..
What is the main advantage of multiprogramming?
Multiprogramming increases CPU utilization by organizing jobs so that the CPU always has a job to execute.
What is the principal disadvantge of too much multiprogramming?
The principal disadvantge of too much multiprogramming is the overhead of excesssive context-switching. If the context-switch rate is too high, the overhead can actually overwhelm the benefit of multiprogramming.
What is interrupts and list classes of interrupts in operating system?
An interrupt is an event that alters the sequence in which the processor execute instructions. It is generated by hardware of computer system. Classes of interrupt:- IBM processor has six types of interrupts. * svc interrupt(supervisor call) *input/output interrupts *external interrupts *Restart interrupts *Program check interrupt *Machine check interrupts
Is it possible to use a dma controller if the system does not supports the interrupts?
You'd have to use DMA with polling, and thats usually not supported
