COA PYQ
Discuss the advantages and disadvantages of synchronous and asynchronous transmission.
Synchronous Transmission: Advantages: Disadvantages: Asynchronous Transmission: Advantages: Disadvantages:
Explain synchronous communication and asynchronous communication.
Synchronous Communication: Asynchronous Communication:
What do you mean by serial communication ? What are the transmission modes of serial communication ?
Serial communication refers to the process of transmitting data one bit at a time over a single communication path. This method contrasts with parallel communication, … Read more
Explain I/O channels with its types.
Types of I/O Channels:
What is the difference between isolated I/O and memory mapped I/O ? Explain the advantages and disadvantages of each.
Difference between isolated I/O and memory mapped I/O : Feature Isolated I/O Memory Mapped I/O Memory Space Uses separate memory space Uses memory from the … Read more
Write short note on DMA. OR Explain the working of DMA controller with the help of suitable diagrams. OR Write a short note on DMA based data transfer. OR Give the block diagram of DMA controller. Why are the read andwrite control lines in a DMA controller bidirectional ?
DMA : Reading Data from Memory: Block diagram for DMA: Working of DMA controller : Bidirectional Control Lines:
Write a short note on programmed I/O. OR Discuss the programmed I/O method for controlling input-output operations.
Programmed I/O : 3.No Further Interruption: Your friend doesn’t bother you again. They just wait for your next instruction. 4.No Disturbance: Your friend doesn’t scream … Read more