Answer:
Flat file databases are databases that are contained in one single table, or in the form ... -Data Redundancy, By having a relational database it ensures that no attributes ... There are only three different 'degrees' of relationship between two entities. ... Consider, for example, the link between customers, orders and products.).
Explanation:
Answer: See explanation
Explanation:
Data backup simply has to.do with the creation of a copy of data on a system which is stored so that it can then be recovered in a case whereby there's data loss or in a situation whereby the original data is corrupt.
Data backup is also vital in case when someone wants to recover some files which have already been deleted.
Answer:
to help focus, or to enhance something you are watching
Explanation:
if you are working on something it helps you think about your assignments or what ever you're working on, if its in a movie ot video or something to be watch it helps set the mood for what is happening
Answer:
(A) 1
Explanation:
In UNIX the file system the file system is a central part of the operating system. The file system is for storage and retrieval of information. Programs that form the UNIX system also stores information in files.
UNIX file systems supports three files namely: ordinary file, directory files, device files or special files.
If we need to access bytes 2500-2503 it means the bytes are within the third block. So we will need only one access.
Note this is because the file control block (inside) is within the memory. If file control block was not in the memory we would have needed more disk accessses.
ESATAP
this is a type of device that can do all of the above
hope this helped scav
