The
word Computer is actually derived from the Latin word Computarae
Meanings of Computer:
A
device that can calculate
Definition:
It
is an electronic device that takes input, processes it, gives
output
and also store these outputs for future need
Data: (Facts
and Figures)
Data
is a collection of facts and figures
Facts:
That
statement can not be changed
Example:
Sunrise in the east
God is one
Data is a collection of RAW facts and figures
Example:
Strength of BS Zoology student of 3rd Semester is 36.
Types of Data: (on the bases of nature)
1. Textual Data:
The type of data that consists of text is called Textual Data
Or
The type of data is a combination of Alphabets, numbers, and special
characters.
2.
Audio Data:
The type of data that
consists of voice is called audio data.
3.
Video data:
The type of data which
is the combination of voice and
pictures are called
video data.
Types of data: (on the
basis of performance)
Input Data:
The type of data that is
given to a computer for calculation is called input data.
Maybe audio, video
textual data.
Output Data:
The type of data that is
given by the computer after performing
the calculation is
called output data.
Information:
An organized form of
data or a processed form of data.
Diffrence b/w data and information
|
Data |
Information |
|
It may be input or output. |
It is a processed form of collected data |
|
Data consist of facts or figures or both |
It only consists of facts |
|
It consists of text, audio, and video |
It may only consist of text. |
|
It is authentic raw facts and figures. |
It may be true or false. |
|
It has 2 or 3 types. |
It has no type. |
Basic Terminologies:
Hardware:
All those devices which are touchable
Or Physical
component of the computer
Example: Keyboard,
mouse, ROM, Touch pen, Scanner,
Printer, Monitor, etc.
Software:
All those parts of the computer are non-touchable.
Or Set of programs
is software.
Program:
Set
of instructions.
Bite:
Bi-binary
T-digits
Memory measuring unit
8Bits=1Bytes
1024
Bytes=1KB
1024
KB=1MB
1024MB=1GB
Hard Copy:
The types of output data
which is touchable, e.g Print out from
a printer. ( It is the
result of the Printer)
Soft Copy:
The type of output is
non-touchable.
e.g. output on the
monitor.
Memory:
Available space in the
computer.
Operating System:
It is a bridge b/w
hardware and user.
e.g.
Windows, Mac, Android, D.O.S.
GUI – Graphics User Interface.
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