"Key logger" This could be software or hardware that does this.
The answer is c because the perpendicular bicector alligns.
Answer:
Interference.
Explanation:
As the user is communicating with their friend through the mobile, most of their interaction is interrupted by the noise of an airplane flying at low hight. Instantly afterward, the user's mobile phone rang, disrupting the communication once more.
So, according to the following scenario both of those are examples of interference.
Typically, "Del" stands for "delete."
Most times, this key will do different things depending on the type of keyboard/computer you have. For example, on macs, the "delete" key is also the backspace key, so it will delete the last character you typed. However, on most pcs, the "delete" key will delete characters you typed that are in front of your cursor.
