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.
Answer:
answer is D
Explanation:
as the block returns the number of array members, the most likely scenario is the last one.
Answer:
Mainframes (also called "big iron")[1] are powerful computers used for large information processingjobs. They are mainly used by governmentinstitutions and large companies for tasks such as census, industry and consumer statistics, enterprise resource planning, and financial transaction processing. Mainframe computers are specially used as servers on the World Wide Web (WWW). They are distinct from supercomputers.
On a printed circuit board, electronic parts will be mounted from the substrate side of the board. The leads jab through the substrate and the copper sheeting that has been carved. The leads are then soldered to the copper.
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