In satellite communications, most satellites orbit the earth in elliptical patterns with the earth not in the exact center of the orbital pattern. When a satellite is at its closest point to the earth, it is at the perigee of the orbit. When a satellite is at its furthest point from the earth, it is at the apogee of the orbit.
- a Peripheral Device
A peripheral device is defined as a computer device, such as a keyboard or printer, that is not part of the essential computer (i.e., the memory and microprocessor). These auxiliary devices are intended to be connected to the computer and used. Types of Peripheral Devices Peripheral devices can be external or internal. Examples of external […]
Short for permanent link, a permalink is a direct link to a single entry on content on a blog. As a blog is updated with a new post, that specific post will get its own page with a URL that can be used rather than linking to the main URL of the blog. On many […]
- persistent cookie
Also called a permanent cookie, or a stored cookie, a cookie that is stored on a user��s hard drive until it expires (persistent cookies are set with expiration dates) or until the user deletes the cookie. Persistent cookies are used to collect identifying information about the user, such as Web surfing behavior or user preferences […]
- personal Internet communicator
The personal Internet communicator (PIC) is an affordable consumer device designed to provide managed Internet access for people in global, high-growth markets to enhance communications, entertainment, and education opportunities. The PIC is not a computer, although it is driven by AMD processor technology. The PIC is a connecting device; a simple and accessible platform designed […]
- personal computer game
personal computer games are more commonly referred to as computer games or PC games. They are played on the personal computer with standard computer interface devices such as the keyboard and mouse, or a joystick or gamepad. Video feedback is received by the gamer through the computer screen, and soundthrough speakers or headphones.