Large-scale computers in the second half of the twentieth century could not communicate with each other prior to the creation of the foundations for this technology were laid in 1969 when the defense advanced research projects agency (darpa) launched the first network.

Large-scale computers in the second half of the twentieth century could not communicate with each other prior to the creation of ARPANET. The foundations for this technology were laid in 1969 when the Defense Advanced Research Projects Agency (DARPA) launched the first network.

Explanation: Before the launch of the Advanced Research Projects Agency Network (ARPANET) in 1969, computers geographically separated were not able to communicate. This network was founded by a branch of the United States Department of Defense known as the Advanced Research Projects Agency. ARPANET is considered to have laid the foundations for the development of the Internet.

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