Commenting. When someone comments of a blog the blog's writer can comment back, to answer questions, etc.
Answer:
timer interrupt
Explanation:
A timer is an interrupt that is generated by the PC's system timer.When this interrupt occurs, the ROM BIOS interrupt handler is called and it increments a count in the ROM BIOS.It interrupts the system 18.2 times per second.It is used for multitasking.Hence we conclude that timer interrupt is the answer.
Answer:
Best way to store all your files is a external storage device, like a hard drive or a usb stick, copy all your files to the device and keep it in a safe place.
Answer:
WiMax
Explanation:
Wimax is a family standards of a communication of bandwidth, this is a standard IEEE 802.16, was created to provide data velocity like 30 or 40 megabits per seconds, but in 2011 was updated, and now can provide 1 gigabit per second, the name WiMAX is for a forum created in 2001 to promote the standard.