Answer:
Webcam
Explanation:
A webcam is mainly used for taking images or videos from the computer. the webcam is a combination of two basic words i.e. web and camera. webcam can be connected to any computer via USB. It can be mounted on the desktop and sometimes it comes inbuilt on the laptops.
A webcam is also used for face recognition function to login to a computer system.
so according to the scenario, the most appropriate answer is a webcam.
Answer:
(D) Network Standard.
Explanation:
Networking standards ensures the ability of networking technologies by defining the guidelines of communication that specify way computer access the medium they are attached.Network standards also defines which type of transmission transmission to use wireless or wired,which media to use etc.
Answer:
Cellular phone technology works on a system of geographically separated zones
called
B. Cells
I am not too familiar with the Python language, but the algorithm would be something like this:
1. create a variable for the sums of the number
2. read in how many numbers the user wants to enter (let's call it N)
and then create a for loop:
for N times
read in the next number
increase the sum variable by that number
Hopefully this helps!