Let us start from now on and continuously

Computer（）focuses on protecting information ，hardware ，and software from unauthorized us

●Let us now see how randomization is done when a collision occurs.After a（71),time is divi

Let us start from now on and【 continuously 】work

The worlds population continues to grow. There now are about 4 billion of us on the earth

As we get older we start thinking about the future and the past and the present seems to ________ from us.

Let us ___ to the next item on the agenda.