CS401 VU Current Final Paper Spring July 2012

Q-Describe Rep Prefix? 2marks
Q-How many calling convention also tell the name? 2marks
Q-In Delete file using INT21 services the error flag and error codes goes in which registers and flag? 2marks
Q-For what purpose INT4 is reserved? 3marks
Q-Differentiate the role of segment-selector & segment descriptor? 3marks
Q- Describe the format of Interrupt Descriptor? 5 marks
Q-For what purpose CMPs instructions is used? Can we use REPE or REPEE Prefix with it? 5 mark
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