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A computer handles several interrupt sources of which the following are relevant for this question. Interrupt from CPU temperature sensor (raises interrupt if CPU temperature is too high) Interrupt from Mouse (raises interrupt if the mouse is moved or a button is pressed) Interrupt from Keyboard (raises interrupt when a key is pressed or released) Interrupt from Hard Disk (raises interrupt when a disk read is completed) Which one of these will be handled at the HIGHEST priority?
For real time operating systems, interrupt latency should be ____________
The amount of time required to read a block of data from a disk into memory is composed of seek time, rotational latency, and transfer time. Rotational latency refers to ______
Consider the following statements regarding mechatronics systems: 1. The anti-lock brakes on a car are a simple example of a real time computing system. 2. The completion of an operation after its deadline is considered useless in soft real time system. 3. The hard real time system tolerates lateness and may respond with decreased service quality. Which of the above statements is/are correct ?
As disks have relatively low transfer rates and relatively high latency rates, disk schedulers must reduce latency times to ___________
Consider with respect to HusserI's concept of phenomena.
1. Phenomena is a substantial unity that has real properties, real parts and real changes.
2. Phenomena is no substantial unity, that has no real parts and no real changes.
3. Phenomena has no nature, but only essence.
4. Phenomena have no essence, but only nature.
Statement: Syrian President Bashar al-Assad has revealed during an interview that a direct clash between the US and Russia in Syria was narrowly avoided "by the wisdom of the Russian leadership".  Which of the following objection(s) might be a probable reason(s) for such a revelation by Syrian President Bashar al-Assad? I. Adding that Syria needs Russian support, Assad said, "At the same time we need to avoid the American foolishness in order to be able to stabilise our country". II. Adding that Syria needs American support, Assad said, "At the same time we need to avoid the American foolishness in order to be able to stabilise our country". III. Adding that Syria needs Russian support, Assad said, "At the same time we need to avoid the Russian foolishness in order to be able to stabilise our country". IV. Adding that Syria needs American support, Assad said, "At the same time we need to avoid the Russian foolishness in order to be able to stabilise our country".
A microprocessor accepts external interrupts (Ext INT) through a Programmable Interrupt Controller as shown in the figure. Assuming vectored interrupt, a correct sequence of operations when a single external interrupt (Ext INT1) is received will be :
Consider the following statements: The 8259A Programmable Interrupt Controller can 1. Manage eight interrupts 2. Vector can interrupt request anywhere in the memory map 3. Have an 8-bit or 16-bit interval between interrupt vector locations 4. Be initialized with operational command words Which of the above statements are correct?
In a microprocessor, the service routine for a certain interrupt starts from a fixed location of memory which cannot be externally set, but the interrupt can be delayed or rejected. Such an interrupt is