Plz explain...


1. What is process synchronization and why its used.

2. How can we recover a word document or file that has been deleted permanently.

Plz answer them ...

1. What is process synchronization and why its used.

You'll get full info here

2. How can we recover a word document or file that has been deleted permanently.

There are many softwares available over the web. Some of the best i found are Pandora recovery

For your second question, Recuva is the best.

Fot the first, read here

For the second, this would do the job

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