Microprocessor
In microprocessor based system DMA refers to

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

ANSWER DOWNLOAD EXAMIANS APP

Microprocessor
Which one of the following is not correct?

 An instruction is a set of bits that defines a computer operation
 Bootstrap is a technique or device for loading first instruction
 An interrupt signal is required at the start of every program
 Bus is a group of wires

ANSWER DOWNLOAD EXAMIANS APP