In DMA-Based I/O

question 2

Multiple Choice

In DMA-based I/O,

• A) CPU is relieved from data transfer and is interrupted after every word has been transferred to initiate the next word transfer.
• B) cycle stealing can slow down the CPU computation, but off-loading the data-transfer work to a DMA controller generally improves the total system performance.
• C) interrupt mechanism is not used.
• D) data is transferred to/from a single block of memory, but not to/from multiple blocks.

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Definitions:

Good Faith

An honest intention to act without taking unfair advantage over another party, reflected in business deals and contracts.

Consequential Damages

Compensation for losses that directly and foreseeably result from the breach of a contract or other wrongful act.

Lost Profits

Damages claimed in a lawsuit representing the profits one would have made but for another party's wrongful act.

Speculative

Involving a high risk of loss but also offering the potential for substantial gains, often based on future expectations rather than current realities.