A firewall determines what external network traffic(internet) should or should not be allowed to pass internal network(computer). A firewall is network security that protects software and hardware from untrusted sites that may have viruses, worms, and bugs that are detrimental to the computer.
Answer:
Computer do the work primarily in the machine and we can not see, a control centre that converts the information data input to output.
Explanation:
Please mark as brainlist please please!
Answer:
The format painter lets you copy all of the formatting from one object and apply it to another one – think of it as copying and pasting for formatting. Select the text or graphic that has the formatting that you want to copy. Note: If you want to copy text formatting, select a portion of a paragraph
Explanation: pls mark my answer as brainlist
Answer:
Proprietary
Explanation:
Free and Open source is available for anyone to do modifications.