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Q. Explain about Interrupt servicing routines?
First the situation is to be checked as to why the interrupt has happened. That includes not only device but also why the device has prompted the interrupt. Once the interrupt condition is recognized the necessary program known as ISRs (Interrupt servicing routines) should be executed such that CPU can resume further processing.
E.g. presume that interrupt happens because of an attempt by an executing program for execution of an illegitimate or privileged instruction then ISR for such interrupt can terminate execution of program which has caused this situation. So on event of an Interrupt related ISR is executed by CPU. ISRs are pre-defined programs written for particular interrupt conditions.
Make a spreadsheet that has on every line an integer student identification number followed by 3 quiz grades for that student. Go though that information from the spreadsheet into
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Find out how many words can be formed out of the letters of the word DAUGHTER such that (i) The vowels are all time together. (ii) The vowels occupy even places. Ans:
for calculating simple interest
Give some examples of malicious data. In May 2002 year, the Norton Anti-Virus software for Windows operating systems detected around 61000 malicious programs. Several of them a
definion,concept?
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Subtraction of 01100-00011 using 2's complement method Ans. Firstly 1's complement of 00011 is 11100 and 2's complement is 11100 + 1 = 11101. Thus If a last carry is
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