Graduation Diploma is valid for only one (1) year in order to take the FDNY computer based. exam (Z-50). Candidates who fail the final examination on the second attempt shall be required to re-. attend the course in its entirety.
Quantum dots (QD) are very small semiconductor particles, only several nanometres in size, so small that their optical and electronic properties differ from those of larger particles. They are a central theme in nanotechnology.
Echo Dot. The aptly named Dot is the kid sister version of Echo. According to Amazon, the Dot came about after a whole bunch of customers asked for a way to hook in their own speakers to Echo. This device is, essentially, an Echo, but for half the price at $90.