I/O Hardware And Standard I/O Interfaces

*lecture (Computer System Architecture) *notes A different interface may have to be designed for every combination of I/O device and computer, resulting in many different interfaces.  The most practical solution is to develop standard interface signals and protocols. I/O Hardware The processor, main memory, and I/O devices can be interconnected by means of a common …

Direct Memory Access (DMA)

Direct Memory Access Is a special control unit that allows the transfer of a block of data directly between an external device and the main memory, without continuous intervention by the processor. Interrupt Is an event that causes the execution of one program to be suspended and the execution of another program to begin. Exception …

Assembly-Arithmetic Instructions

Activity: Ask two scores from the user, specifically, the raw score as the first score and the total score as the second score. Store the digits in the EAX and EBX register, respectively, given the formula raw score divided by the total score times 50 and plus 50. Store the result in a memory location …