The answer is B: installs and runs different versions of an operating system on the same computing device
Virtual machines are like guest operating systems or application environments that give you the perception that you are physically connected to a different box. A system virtual machine, for instance, copies all the components and processes of a real computer. It helps the user experiment with different operating systems and applications without the need to install them on your physical hardware.
A. The restaurant review contains data but is not data itself.
I'm sorry if that's wrong, but that seems right to me.
Answer:
The answer is "Option C".
Explanation:
The local computer also refers to locally, it is a device, that is used by LAN. It is also called as a remote computer, in which all the data is stored in the main computer and accessible by protected password, and certain choices were wrong, which can be described as follows:
- In option A, It is used in digital communication.
- In option B, It is used in androids.
- In option D, It is used to provides web services.
Answer:
<u><em>Source data entry devices are used for audio input, video input and to enter the source document directly to the computer. Source data entry devices do not require data to be typed-in, keyed-in or pointed to a particular location.</em></u>
Explanation:
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.
