Answer:
Program memory is paged, this statement is defined as in a computer system paged memory is the process of allocation of memory and storing a portion of a process of execution. Page is a unit of logical memory in a program. It follows the process of paging, as it is a method of writing an information and reading the output from the storage drive. The main advantage of this process is that it become easy to swap because everything is the same size.
Answer:
ATM card and the pin number, the status of the bank account and the total of the purchase and the account and method of payment.
Explanation:
The POS or point of service is a device that allows the purchase of product from a commercial store to be done wirelessly and cashless.
It promotes The cashless policy to reduce the circulating physical currency. The POS electromagnetic wave to wirelessly access bank database to retrieve bank account information.
It takes in the smart card, and with the command, retrieves the bank account information addressed on the card. The cashier types the total price of purchased product and it is automatically minus and updated on the account database. Then the invoice of the transaction is issued to the customer.
Answer:
Stands for "Graphical User Interface" and is pronounced "gooey." It is a user interface that includes graphical elements, such as windows, icons and buttons. The term was created in the 1970s to distinguish graphical interfaces from text-based ones, such as command line interfaces.
Explanation:
The graphical user interface is a form of user interface that allows users to interact with electronic devices through graphical icons and audio indicator such as primary notation, instead of text-based user interfaces, typed command labels or text navigation. A GUI allows the user of a computer to communicate with the computer by moving a pointer around on a screen and clicking a button. ... A program on the computer is constantly checking for the location of the pointer on the screen, any movement of the mouse, and any buttons pressed.A GUI uses windows, icons, and menus to carry out commands, such as opening, deleting, and moving files. Although a GUI operating system is primarily navigated using a mouse, a keyboard can also be used via keyboard shortcuts or the arrow keys.
Answer:
Port 21
Explanation:
FTP protocol typically makes use of Port 21, which is the main port for communication. The FTP clients get connected to the FTP server through the Port 21 and then does the required conversation. Hence, the correct option here is Port 21.
