Node
The node number is the part of the IP address that is NOT protected by the netmask.
Answer:
they send electrical signals to the buzzer. The buzzer changes those electrical signals into sound. You hear the buzzer sound and know that someone is calling you.
Explanation:
Answer: File History
Explanation: File history is the history that gets created in the form of back-up that keeps the record of the stored files. It is used in protecting the files that is present on the system like desktop, libraries,etc.
It creates the duplicate records in the storage for any future use and it can also be restored easily.File history also facilitates with feature of deleting the unnecessary history afterward when the user wants.
Start menu "this pc" or "my computer"
Answer:
Secure is the correct answer for the above question.
Explanation:
- When any person wants that any information is not hacked by any user then he needs to secure the information with the help of any security mechanism. This security mechanism can be of any type that facilities the user to stop the information are being hacked.
- The above question asked about the work which is needed to stop the message is being hacked. So there is a need to secure the information. so secure is the correct option while the other option is not valid because "simple, economical or verifiable" can not stop the message from accessed by the unauthorized user.