Clock speed is measured by the number of ticks per second. Current personal computer processors have clock speeds in the gigahertz range. giga is a prefix that stands for billion, and hertz is one cycle per second.
Software registration typically is optional and usually involves submitting your name and other personal information to the software manufacturer or developer. Product activation is a technique the some software manufacturers use to ensure that you do not install the software on more computers than legally licensed. A license agreement is the right to use a program or app. The license agreement provides specific conditions for use of the software which a user typically must accept before using the software.
Phishing is a scam in which a perpetrator attempts to obtain your personal information and/or financial information. Many browsers include a phishing filter, which is a program that warns or blocks you from potentially fraudulent or suspicious websites.
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