Domain Name Extensions and Meanings
.com.................................................commercial
.edu...........................educational and research
.gov..................................................government
.int.........................international organizations
.mil............................................military agency
.net...........................................gateway or host
.org..............................non-profit organization
Computers only understand two digits, 0 and 1. This base two
math is known as Binary. 1 represents on and 0 is off. When you type the letter
M on your keyboard, it is translated to the Binary code of, 01001101. Every
letter, number, pixel you see on your monitor is a binary set of 1's and 0's
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The term "Hypertext" was coined in 1965 by Ted
Nelson who used it to describe the multimedia system he proposed called
"Xanadu"
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The largest network on earth, the Internet, started in 1969
with four nodes installed at the University of California-Los Angeles, the
University of Califorina-Santa Barbera, the Stanford Research Institute, and
the University of Utah
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A Bit stands for "Binary Digit" a Bit can hold
only one of two values 0 or 1. A Byte is composed of 8 consecutive
bits
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The word "boot" or "booting" comes from
the concept of bootstrapping, or pulling oneself up by the bootstraps. Before
PC's, computer operators would run a program called the bootstrap loader. This
loader did the initialization that is now automatic. The process became known
as bootstrapping and later booting
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There are 18 million lines of code in Windows 98
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The fastest computer in the world is the CM-5 "thinking
machine" at the Los Alamos National Labratories, USA. It can perform 131
billion operations per second
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The two main components in IT (Information
Technology) are hardware and software. But there is also a lesser known ‘grey’
component. This is the software that is stored in hardware and cannot be
modified easily. It is known as ‘firmware’
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Most Central Processing Units (CPU’s) are
sold as a bit slower than they actually run. By over-clocking them you can get
them to run faster
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The
first micro-processor was the 4004, Intel had originally designed it for a
calculator and no one had any idea to what it would lead
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