Answer:
Option A is the correct answer for the above question.
Explanation:
The keyboard is a device, by which a human can instruct the computer in the text form. There are so many keyboards in which, thumb keyboard is one of them. The thumb keyboard is found in mobile phones, smartphones or PDA phones, which is used for personal use. It is a designed layout of the keyboard that can be placed on the hand of the human and a person can type on its with the help of his thumb.
The above question asked about the type of the keyboard which is used in various smartphones and other phones. That keyboard is thumb keyboard which is described above and it is stated from the option A. So option A is the correct answer while the other is not because--
- Option B states about the traditional keyboard which is used for the PC only.
- Option C states about the Notebook keyboard which is used for the Notebook computers only.
- Option D states about combination which is not a type of keyboard.
Answer: The best method to avoid getting spyware on a user machine is to download software only from trusted websites. And depending on the machine it might say that "This download you are about to install might have spyware or malware and it might infect your laptop" "Do you wish to continue?"
Testing ensures that all hardware and software components work together
Answer:
17 países.
Explicación:
Hay diecisiete países que tienen vehículos aéreos no tripulados armados y donde se ha implementado un sistema de vigilancia con drones. Los drones son excelentes para recopilar grandes cantidades de datos de imágenes. Se puede implementar fácilmente para la vigilancia y mantener la seguridad. Se puede conducir a través de la computadora, no del piloto en él, por lo que el piloto se guarda. Los aspectos negativos de los drones es que tienen tiempos de vuelo cortos y el clima puede afectar fácilmente a los drones. Las operaciones precisas son difíciles y también eliminan futuros trabajos.
