Microprocessor
In microprocessor based system DMA refers to

 direct memory access for the I/O device
 direct memory access for microprocessor
None of these
 direct memory access for the user

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Microprocessor
Which of the following statements for intel 8085 is correct?

 PC specifies the address of the instruction to be executed
 PC specifies the address of the instruction being executed
 Program Counter (PC) specifies the address of the instruction last executed
 PC specifies the number of instructions executed so far

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Microprocessor
In a vector interrupt

 none.
 the interrupting source supplies the branch information to the processor through an interrupt vector.
 the branch address is assigned to a fixed location in memory.
 the branch address is obtained from a register in the processor.

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