Summary: which give us an output when we give


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.