MY PROJECT.pptx

7/26/2019 MY PROJECT.pptx

1/32


2/32

Topics to beCovered:

Introduction tocomputersCharacteristics ofComputers

The Computers Systems


3/32

ACKO!"#$#%#T


4/32


5/32


6/32

Arithmetic Operations

Invo*ve the genera* mathematica*ca*cu*ation *i+e addition,subtraction, mu*tip*ication and

division.

"ogica* Operations

Invo*ve comparison *i+e - /etc.


7/32

0o1 does Computers1or+)

Input

(rocess

Output


8/32

I('T :

O'T('T:

Consists of $ATA 2 IST&'CTIO.

(&OC#S

S :

Is a set of instruction stored in thecomputers to carry out the instructionsgiven by the user. The process is a*soca**ed (&O3&A%

Is the set of resu*ts generated after

processing the Input.


9/32

C0A&ACT#&ISTIC

SOF

CO%('T#&


10/32


11/32

S(##$

The speed 1ith 1hich the computer1or+ can be understood by theunits of measurement of time

1ithin a computer. They are:

%I""I S#CO$ 6 78 7999T0 OF A S#CO$

%IC&O S#CO$ 6 78 7999T0OF A %I""I S#CO$AO S#CO$ 6 78 7999T0 OF A %IC&O S#CO$

(ICO S#CO$ 78 7999T0 OF A AO S#CO$


12/32

STO&A3#:

As a*ready discussed a computercan store a *arge vo*ume ofinformation.

The factors to be considered forstorage are:

TI5A" 6 I%%#$IAT#

S(AC# 6 5#&4 "ITT"#%#$IA 6 %A3#TIC %#$IA

"O3I5IT4 6 FO& #5#&


13/32

ACC'&CC4

The accuracy of the computers isconsistent*y high. #rrors in themachinery may occur, but due

to ecient error;detectingtechni


14/32

5#&SATI"IT4

Computers seem capab*e ofperforming any tas+, providedthe tas+ can be bro+en to a series

of *ogica* steps.The computer actua**y performs :

#=changes information

Transfers data (erforms arithmetica*

operations.

(erforms operations of


15/32

A'TO%ATIO

Once a program to perform aparticu*ar tas+ is stored in thecomputer, the individua*

instructions in the program arecarried out one after the otherautomatica**y to comp*ete the tas+.

0ence the user reust presscertain +eys and give the datainput. The data is automatica**yprocessed to produce the output.


16/32

$I"I3#C#

Being a machine, a computer doesnot su?er from the human traits oftiredness and *ac+ of concentration.

If @ mi**ion ca*cu*ations are to beperformed, it 1i** perform a** ofthem, even the *ast on 1ith e=act*ythe same accuracy and speed.

Some computers 1hich are constant*yon for hours, days, months andyears are never s1itched o?.


17/32


18/32

Computers System

A system of interconnectedcomputers that share a centra*storage system and various

periphera* devices such as aprinters, scanners or routers.#ach computer connected to the

system can operateindependent*y, but has the abi*ityto communicate 1ith othere=terna* devices and computers.


19/32


20/32

Woring of Com!"ter #$#tem%


21/32

The computer system has oneor more in!"t#to provide data.

This data is then !roce##e&in

some 1ay.The outcome of the processingis sent to an o"t!"tor it may

#tore&unti* some eventhappens to cause it to be output.


22/32

For processing to ta+e p*ace, there needs to be a set ofinstruction of 1hat needs tobe done. This set ofinstruction is ca**ed

!rogram.This system is ca**ed astored program computer.


23/32

Categories of Computers

Micro com!"ter# (ersona* Computers, $es+top computers

oteboo+, "aptop, (a*mtop

'se by one person at a timeMini com!"ter# Faster speed

%any users at the same time

Mainframe com!"ter#

0igh computation po1er S"!er Com!"ter# 0ighest computation po1er

'sed for scientic research 2 $efence.


24/32


25/32

%ini Computers

They are a*so sma** genera*purpose system. They aregenera**y more po1erfu* and

most usefu* as compared to microcomputers. %ini computers area*so +no1n as %id range

computers or Chil&Com!"ter#.


26/32

%ainframe Computers

%ainframe computers are thosecomputers that o?er fasterprocessing and greater storage

area. The 1ord Emain framecomes from the menta* frames. Itis a*so +no1n as (ather

Com!"ter#.


27/32


28/32


29/32


30/32


31/32


32/32

Documents

MY PROJECT.pptx