Answer: C. Differential backup
Explanation: There are several ways od ensuring the preservation and storage of data even cases of disaster, one of such ways is data data mirroring which allows data to be replicated or copied in real time and several backup options. In cases where there there is need to restore a server, the warm recovery site provides a data or disaster recovery option used to mitigate the effect of data loss on organization. In the absence of data mirroring, differential backup option, provides the quickest recovery option as it only requires changes in the data stored after the last full backup. These speed experieced should be expected due to the relatively low data been dealt with rather than the entire data.
Answer: c) a program.
Explanation:
A computer, is a hardware device, that differs from those with dedicated hardware (like a TV set, a radio, or an old phone) , in that it can be used for different purposes, due to it's a programmable device.
The way in which the computer is instructed to do anything, is by means of a set of instructions to be read and executed sequentially, which is called a program.
The set of the different programs stored in the computer is which is known as the computer software.
Answer:
Forward.
Explanation:
E-mail is an acronym for electronic mail and it can be defined as a set of written words, texts, characters used for conveying a message from one person to another. It is a channel or medium of communication between one person and the other.
Forward simply sends a copy of the message and any additional comments to a different e-mail address. The term forward is used in email to describe the process of sending a message.