Programming Languages have evolved in phases called generations. The five generations of computers are : <span>First Generation (1940-1956) Vacuum Tubes. Second Generation (1956-1963) Transistors. Third Generation (1964-1971) Integrated Circuits. Fourth Generation (1971-Present) Microprocessors. <span>Fifth Generation (Present and Beyond) Artificial Intelligence.</span></span>
The SOA is the specific record type found in every zone and contains information that identifies the sever primarily responsible for the zone as well as some operational properties for the zone.
Explanation:
The Start of Authority Records (SOA) has the following information they are
Serial Number: This number is used to find when zonal information should be replicated.
Responsible person: The Email address of a person is responsible for managing the zone.
Refresh Interval: It specifies how often a secondary DNS server tries to renew its zone information.
Retry Interval: It specifies the amount of time a secondary server waits before retrying the zone information has failed.
Expires After: IT specifies the amount of time before a secondary server considers its zone data if it can't contact with the primary server.
Minimum TTL: It specifies the default TTL value for a zone data when a TTL is not supplied.
John can find the amount of Random Access Memory (RAM) memory installed on his computer with the Windows 7 under the category “<u>System and Security</u>” in the Control Panel.
To know the total amount of installed RAM through Control Panel in the computer with Windows 7, John should follow the steps as:
- Click the category named “System and Security”
- Now under “System”, click “View amount of RAM and processor speed”
- “Device Specifications” section displays the amount of installed RAM in John’s computer
Thus, above are the steps by which John’s can find the amount of installed RAM in his Windows 7 computer’s Control Panel.
What is Random Access Memory (RAM)?
RAM is the temporary memory in computers that stores the data currently being used by the processor.
You can learn more about Control Panel at
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