Answer:
To be honest why would you want to enter one character. Anyways the answer is option 4
Answer:
The answer is "Option d'.
Explanation:
The database provides a single graphical view of the data, but it provides the facility to use logical view concept, that uses by view command, that uses the dataset to provide a logical view, that shows data according to user condition, and certain options were incorrect which can be described as follows:
- In option a, In logical viewing data, it is not used.
- In option b, It doesn't represent entry screen it simply shows detail.
- In option c, this command doesn't allow you to create duplicate data.
Over the years, operating systems have sought to be more efficient, which is why it is vital that the use of main memory such as ram be as intelligent as possible, so that operating systems are more efficient.
Segmentation is a process of dividing the program into logical units, such as sub functions, arrays, variables, etc., making it possible to have processes divided into pieces so that it is easy to access each of the processes that this leads to its execution. Segmentation allows the programmer to contemplate the memory as if it had several address spaces or segments. References to memory consist of an address of the form segment number - offset.
Pagination is a technique where memory space is divided into physical sections of equal size, called page frames. The programs are divided into logical units, called pages, that are the same size as the page frames. In this way, an information page can be loaded in any page frame. The pages serve as an information storage unit and transfer between main memory and auxiliary or secondary memory. Each frame is identified by the frame address, which is in the physical position of the first word in the page frame.
