Answer:
D. infrared.
Explanation:
Wireless technology for communication uses electromagnetic wave to transmit signals between location. It eliminates the need of cables for connecting network devices.
In previous wireless technology implementation, Infrared rays were used (in tv remotes), which needed to be in the line of sight to its destination. Although it was fast, it has many limitations for a long-haul transmission like its short transmission range, easily blocked by objects and its uni-directional properties.
Answer:
Following code are:
int *temp; //declaration of variable
// perform swapping
temp = xp;
xp = yp;
yp = temp;
Explanation:
we declare an integer data type pointer variable "*temp" then perform swapping between them.
The variables "xp" and "yp" are already declared and these variables are performing swapping among three.
I would do top to down approach start from the top and work your way down to the bottom.
