Multiple choice technology programming languages

What is the difference between Synchronous and Asynchronous updates?

  1. In synchronous processing, the program waits: control returns to the program only when the task has been completed.

  2. In asynchronous processing, the program does not wait: the system returns control after merely logging the request for execution.

  3. In asynchronous processing, the program waits: control returns to the program only when the task has been completed.

  4. In synchronous processing, the program does not wait: the system returns control after merely logging the request for execution.
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A,B Correct answer
Explanation

Synchronous processing blocks program execution until the task completes and control returns. Asynchronous processing logs the request and returns control immediately without waiting for completion.

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