GRADE IV | CLASSIFICATION OF COMPUTERS

BASED ON
 SIZE
 STORAGE
 CAPACITY

CAPACITY
• the maximum amount that
something can contain
STORAGE
• space available for storing
something
CD-ROM, floppy, hard disk..

PERSONAL COMPUTER
MINI COMPUTER
M C
A O
I M
N P
F U
R T
A E
M R
E
SUPER COMPUTER

COMPUTER
• MICRO COMPUTER
• MINI COMPUTERS
• MAINFRAME
COMPUTER
• SUPERCOMPUTER
USES
• Home, School, Business, Banks.
• Internet- server, E-mail Server.
• Large company organizations,
health care organizations,
banking, finance sector, etc.
• Weather forecasting, scientific
research centers, designing
aircrafts, etc.

SPEED
STORAGE CAPACITY
VERSATILITY
(ability to adapt or be adapted to many different functions or
activities.)
DILIGENCE
(careful and persistent work or effort)
CHARACTERISTICS OF COMPUTERS

LIMITATIONS OF COMPUTERS
• COMPUTERS LACK DECISION MAKING
ABILITIES
• STEPWISE GUIDANCE TO NEXT
PROCESS
• PRODUCTION OF INCORRECT
RESULTS IN AN UNANTICIPATED
SITUATION
• MAY ABANDON THE TASK ALL

PERSONAL COMPUTERS
• Micro Computers.
Why PC??
 Single user system
 Low storage capacity
Where?
Bank, office , hospital, then????
How?
 linked by a network

MICROPROCESSOR
an integrated circuit that contains all the functions of a central
processing unit of a computer.

WHY DO THEY USE
 Banks to enter data of the accounts of
their customers
Professional organizations word
processing , accounting, desktop
publishing, small database management
applications & presentations
 Home & school net surfing , to create
projects & play games

MINI COMPUTERS
• Powerful & expensive >> Micro Computers.
Why MC??
 Can use more than one user at a time
 Faster speed
 Large storage capacity
Where?
 CAD , scientific research, air ticket reservations,
banking , etc.

MAINFRAME COMPUTERS
• High performance Computers.
Why Mainframe??
 High storage capacity
 High speed
Where?
Large companies, government departments, airline
managements, organisations, then????

SUPER COMPUTERS
• Biggest & fastest
• Expensive
• Complicated to handle
• Require mathematical calculations
Why SC??
 Process huge amount of data
 storage capacity >> other 3
Where?
Weather forecasting, designing supersonicaircraft

PARAM
a supercomputer developed in
India

GRADE IV | CLASSIFICATION OF COMPUTERS

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