'<span>All methods should be declared private</span>' is not true for classes. One should be able to change the properties of objects, and to do this safely and in a controlled manner, some public methods are declared. Some private methods can also be declared for more potentially sensitive operations for being called from within the class.
Answer:
Ok, so it's not letting me submit a text response, so I'll attach an image of my answer.
Explanation:
B. A data source is the answer. Hope it’s right.
Answer:
The data transmission or information exchange from the CPU to either the computer's peripherals is accomplished via "Computer ports". The further explanation is given below.
Explanation:
To link a display, camera, microphones, or other devices, computer ports have several purposes. The Processor (CPU) also interacts through a bus to peripherals. Several categories of buses you must have got to hear of would be universal servo controller, PCI, or Compulsive-ATA.
- A peripheral device has always been defined as any auxiliary appliance including a mouse as well as a keyboard, which somehow helps connect to either the PC but instead operates with it.
- Computer systems were composed of various hardware. This would include the CPU, storage, buses, devices, etc.
So that the above is the right answer to the given scenario.
