Computers in
the
Textiles
Industry
WHAT IS A COMPUTER?
•
It responds to a specic set of instructions in a well-
dened manner.
It can execute a prerecorded list of instructions (a
program).
MODERN COMPUTERS ARE
ELECTRONIC AND DIGITAL. THEY
CAN BE DESCRIBED IN TERMS
THEIR HARDWARE AND SOFTWARE.
THE MODERN COMPUTER
Hardware
Software
User
Hardware
Software
User
HARDWARE
Hardware refers to objects that you can actually touch,
like disks, disk drives, display screens, keyboards,
printers, boards, and chips.
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A Computer Network is interconnection of
Computers to share resources.
Resources can be : Information, Load, Devices
etc.
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The central processing unit (CPU), also
known as just a "processor”, is the "brain"
of your computer.
•
It contains various electronic circuits.
INPUT &OUTPUT DEVICES
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This is the television-like screen where the results
of a computer's tasks are displayed.
Monitors come in all sizes, but most commonly
they are either 15 or 17 inches
(measured diagonally from one corner of the
screen to the opposite corner).
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The keyboard looks like a typewriter.
It contains all the letters of the alphabet,
numbers and some special symbols.
It operates like a typewriter keypad, but
instead of moving an arm, which strikes the
paper, it sends an electronic impulse to the
computer, which displays a character on the
monitor.
•
Its a device that is used to control the computer.
A cable connects the mouse to the computer.
•
When the mouse is moved on a pad, called a
mouse pad, the cursor on the screen moves.
•
A cursor is a small symbol displayed on the
computer screen (normally a diagonal arrow that
is used as a pointer) that shows you what the
mouse is referencing on the screen.
,+
A printer is designed to output information
from a computer onto a piece of paper.
There are three kinds of printers:
dot matrix, laser, and inkjet.
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A scanner is a device used to copy an image o2
paper and convert it into a digital image, which
can be saved as a computer le and stored on a
hard drive.
Scanners can also use a special kind of
technology called Optical Character Recognition
(OCR) to read text from paper and save it as an
editable document le
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MAJOR PERIPHERALS
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Email
World Wide Web (www)
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