Fax polling is the process of sending a fax from one machine to another over a telephone line. The process begins when the sender dials the number of the machine that will receive the fax. Once the connection is made, the sender’s machine will send a signal to the receiving machine that indicates that it … Read more
Round robin is a method of data transmission in which each unit of data is sent to the next receiver in line, and then the last receiver sends the data back to the first receiver. This process is repeated until all units of data have been sent. What is round-robin with example? Round-robin is a … Read more
The point in the orbit of a satellite at which it is nearest to the earth is called the perigee. Is perigee always full moon? No, perigee is not always full moon. The moon’s orbit around Earth is elliptical, so sometimes the moon is closer to Earth (at perigee) and sometimes it is farther away … Read more
The term “Apogee” is used to describe the highest point in the orbit of a satellite around a planet. This point is also known as the “Apoapsis”. The opposite of the Apogee is the “Perigee” which is the point at which the satellite is closest to the planet. Does apogee still exist? Apogee still exists … Read more
A vertical cavity surface emitting laser (VCSEL) is a type of semiconductor laser diode with a vertically oriented cavity and an active region that emits light perpendicular to the top surface of the device. VCSELs are used in a variety of applications including data communications, optical networking, laser printing, and barcode scanning. What is VCSEL … Read more
