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A bit is the little amount of data in the
computer. Bits have a single binary value, 0 or 1. Computers typically provide
commands to control and manipulate bits, but are typically designed to store data
and to access bit numerous instructions called bytes. Boolean operators are
simple words (AND, OR, XOR & NOT) Join which joins or excludes search terms
in belonging search Productive results. Avoid inappropriate strokes and save
time and effort. It must be scanned before being destroyed. AND represent that one statement is true and
other is false. OR represent any one statement is correct. In XOR only one statement
is true. Not represent we will give input then they give to contrast output. A
Device which give us an output when we give input .It is called Gates. A group of
circuits is known as Flip Flop. For the determination of storing data, a computer covers a
large group of circuits (such as flip-flops), each skilled of storing a single
bit. This bit reservoir is called the machine’s main memory. A computer’s Main
memory organize in controllable units this unit is called cell. Every cell
consists of 8 bits and 8 bits is equal to one byte. In a computer there is no
left & right. Bits place in a row. The left side of this row is called high
order end and the other end is low order end.

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To categorize specific cells in a computer’s
main memory, each cell is allocated a unique “name” is called address. In
computer’s main memory is organized as specific, addressable cells, the cells can
be recover independently as needed. To show the capability to access cells in any
way, a computer’s main memory its known random access memory (RAM).Due to the
decreasing limitation of store data in computer and volatility of data, Mostly
in computers have additional memory device. This is called mass storage. A turning
disk is magnetic coated .It is used to read and write data, is called magnetic
disk. Another class of mass storage systems applies visual technology. An example
is the compact disk (CD). Information is recorded on them by creating variations
in their reflective surfaces. This information can then be retrieved by means
of a laser beam that detects irregularities on the reflective surface of the CD
as it spin.  A Flash drive is an ultra-
portable device. It is very small and unlike an optical or conventional hard
drive .This device is the combination of USB device and cable. Data store in
the form of group as large unit. it is called file. The technique which is used to data transferring
and storing .it is  reduce the size of data
.It is called data compression .This code not only detect the mistake but also
correct the mistake, its known as Error correcting code.

The code which does is encoded to audios and
videos. This code is called MPEG. Images normally encode in GIF. how data can
be encoded as bit patterns. Our study focuses on popular methods for encoding
Text, Numerical data, Images, and Sound. Each of these systems has
repercussions that are often visible to a typical computer user. Information in
the form of text is normally represented by means of a code in which each of
the different indication in the text (such as the letters of the alphabet and
punctuation marks) is assigned a uncommon bit pattern. The text is then
represented as a long string of bits in which the succeeding designs represent
the successive indication in the original text storing information in terms of
encoded characters is inefficient when the information being recorded is purely
numeric. Suppose the problem of storing the amount 25. If we insist on storing
it as encoded symbols in ASCII using one byte per symbol, we need a total of 16
bits. Moreover, the largest number we could store using 16 bits is 99. One means
of representing an image is to interpret the image as a collection of dot. The appearance
of each pixel is then encoded and the entire image is represented as a
collection of these encoded pixels. Such a collection is called a Bit Maps. 

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