Microprocessor
In a vector interrupt

 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.
 none.
 the branch address is obtained from a register in the processor.

ANSWER DOWNLOAD EXAMIANS APP

Microprocessor
Cycle stealing mode of DMA operation involves

 While the microprocessor is executing a program an interface circuit takes over control of address, data, control buses when not in use by microprocessor
 Data transfer takes place between the I/O device and memory during every alternate clock cycle
 The DMA control waiting for the microprocessor to finish execution of the program and then takes over the buses
 DMA controller taking over the address, data and control buses while a block of data is transferred between memory and I/O device

ANSWER DOWNLOAD EXAMIANS APP

Microprocessor
IN an intel 8085A microprocessor, why is READY signal used?

 To provide proper WAIT states when the microprocessor is communicating with a slow peripheral device.
 To slow down a fast peripheral device so as to communicate at the microprocessor’s device.
 To indicate to user that the microprocessor is working and is ready for use.
None of these

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Microprocessor