The computer device primarily used to provide hard-copy is the

(A) Card reader

(B) Computer console

(C) Line printer

(D) CRT

   

1. One should take back up any important data.
2. Unplug the computer.
3. The memory device should be separated.
4. All of these.

Which of the following is a task that should be done at the first stage of working with a computer?

1. The computer case should be opened and checked.

2. Shut down the system.

3. Update the device drivers regularly at first.

4. Always keep a data backup and optimize your pc at a certain interval.

A new computer is connected to an existing home network. The device can communicate within the same subnet, but not with the outside subnet, whereas other nodes can do this. How should the problem be resolved?