What is the significance of FAT? What are the limitations of FAT 16? 4m jun2006 FAT The FAT maps the usage of data space of the disk. It contains information about the space used by each individual file, the unused disk space and the space that is unusable due to defects in the disk. Since… Read More »
What is an interrupt? Explain each of the conditions under which an interrupt occurs 5m Dec2005 Interrupt An interrupt is an external signal that occurs due to an exceptional event. It causes interruption in the execution of current program of CPU. An interrupt may be generated by a number of sources, which may beeither internal… Read More »
Explain use of comma operator in C with the help of an example. 5m Jun2007 Comma Operator in C A comma operator is used to separate a pair of expressions. A pair of expressions separated by a comma is evaluated left to right, and the type and value of the result are the value of… Read More »
What is the difference between a function and a macro? Find the largest number among two numbers using a function definition as well as a macro. Which is more efficient in terms of execution time and code size? 10m Jun2006 Difference between a function and a macro: Function Code [codesyntax lang=”c”] int MAX(X,Y) {… Read More »