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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?
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  
The following are some events that occur after a device controller issues an interrupt while process L is under execution? (P) The processor pushes the process status onto the control stack. (Q) The processor finishes the execution of the current instruction. (R) The processor executes the interrupt service routine. (S) The processor pops the process status of from the control stack. (T) The processor loads the new PC value based on the interrupt. Which one of the following is the correct order in which the events above occur?
The priority level of an interrupt of 8051 for which SI(serial interrupt) interrupt is programmed is
The _________ determines the cause of the interrupt, performs the necessary processing and executes a return from the interrupt instruction to return the CPU to the execution state prior to the interrupt.
Study the information carefully and answer the questions given below: If we arrange the alphabets in the word "RATE" in the English alphabetical order, word "AERT" is formed. Then the third alphabet from the left in this word is "R". similarly, from the word "OPEN" we get - "ENOP" and the third alphabet from the left is "O". From the word "CHEF" we get - "CEFH" the third alphabet from the left "F". From the word "TOY" we get - "OTY" and the third alphabet from the left is "Y". From the word "EAT" we get - "AET" and the third alphabet from the left is "T" If we use all these letters, then a meaningful English word "FORTY" can be formed. Now find which of the following word set DOES NOT give a meaningful word in a similar way.
There are four words below the Sentence with an underlined word. choose the word which would best keep the meaning of the original sentence if it were substituted for the underlined word: A middle aged woman of tremendous girth sat down beside the other patients in the waiting room .
A sentence with an underlined word is given below. Find the word which is opposite in meaning to the underlined word from the given options. When the king learned of his brother's treachery, he quickly ordered his execution.