Blind Carbon Copy
For emails. It is used to send a copy of the email to somebody without the original person receiving it knowing that you sent a copy.
Explanation:
social networking sites allow users to share ideas, digital photos and videos, posts, and to inform others about online or real world activities and events with people in their network.
The answer is A. For instance, to use the sum function, you would need to =SUM()
Answer:
True.
Explanation:
Mainframe computers were developed and introduced in the early 1950s.
Mainframe computers have several CPUs, have very fast processor speeds, can supporting multiple operating systems and have huge amounts of storage capacity. As a result, mainframe computers are mostly or commonly used by large companies, business firms or governmental institutions for performing various complex tasks such as census, financial transactions, e-commerce, data sequencing, enterprise resource planning, etc.