No!The internet began in the 1950s when the US government was trying to use connected computers to compete with the Soviet Union's Sputnik. Hope this helps :)
B) For Military Purposes but around the 1970s they became widely available to consumers.
Answer:
B. Sometimes, seeing a picture of the process is more helpful than reading about it.
Explanation:
Video tutorials are a form of communication in which the instructions are given through video instructions. The users drive more information from video tutorials than written or audio. The visual and the auditory aids together helps in creating a better impact on the users. The video tutorial is more user friendly and can easily be controlled by the user. This helps in better understanding and analyzing the information.
Answer:
(a) Correlated.
Explanation:
Correlated subquery :These sub queries reference columns from outer table or uses values from outer query.These sub queries are processed atleast once for every row processed.So because of this reason correlated sub queries can be slow.Since the query in the question also uses value from the outer query so it is a correlated query.
