6. Data Transfer Methods

6.2 Data Transfer Methods

·       Serial Transfer: One bit at a time.

·       Parallel Transfer: Multiple bits simultaneously.

·       Direct Memory Access (DMA): Allows peripherals to transfer data without CPU intervention.

e. I/O Controllers

The structure of a computer is simple, and that can be represented in below diagram −

BLOCK

 

 

Logical Organization of a Computer

·       Input unit

·       Central processing unit

·       Output unit

·       Memory unit