prophase-the first stage of mitosis. mitosis-cell division in which the nucleus divides into nuclei containing the same number of chromosomes. phase of cell division-a stage in meiosis or mitosis.
The Chromebookâs security model means the antivirus industry is facing a new kind of PC more similar to the iPhone than a netbook, argues Perimeter E-Security chief technology officer Andrew Jaquith: a limited device with security inherent in its restrictions .
In addition to laptop models, a desktop version, called a Chromebox, was introduced in May 2012, and an  all-in-one  device was introduced in January 2014, by LG Electronics. Chromebooks are primarily sold both directly from Google and from the company's retail partners.