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Understanding Binary
Variation A
Information consisting entirely of zeros and ones.
In the computer world, also refers to files (such
as image files) that are not simply ASCII text files.
Variation B
Anything composed of two parts. In modern
computers, information is stored in banks of
components that act like switches. Since
switches can be either on or off, they have
a binary character, and we say that the
computer uses “binary arithmetic” to do its work.
Variation C
Pertaining to a number system that has just two
unique digits.
Computers are based on the binary numbering system,
which consists of just two unique numbers, 0 and 1.
Because computers use the binary number system,
powers of 2 play an important role. This is why
everything in computers seems to come in 8s
(2 to the 3rd power), 64s (2 to the 6th power),
128s (2 to the 7th power), and 256s (2 to the
8th power).
Programmers also use the octal (8 numbers)
and hexadecimal (16 numbers) number systems
because they map nicely onto the binary
system. Each octal digit represents exactly
three binary digits, and each hexadecimal
digit represents four binary digits.
Variation D
1. Consisting of, indicating, or involving two.
2. Mathematics. a. of or pertaining to a system
of numerical notation to the base 2, in which each
place of a number, expressed as 0 or 1, corresponds
to a power of 2. The decimal number 58 appears as 111010
in binary notation, since 58 = 1 × 25 + 1 × 24 + 1 × 23 + 0 × 22 + 1 × 21 + 0 × 20.
b. Of or pertaining to the digits or numbers
used in binary notation.
c. Of or pertaining to a binary system.
Variation E
Characterized by or consisting of two parts or
components; twofold.
Variation F
Of or relating to a system of numeration
having 2 as its base.
Variation G
Base two. A number representation consisting
of zeros and ones used by practically all
computers because of its ease of implementation
using digital electronics and Boolean algebra.