WORKSHOP!!

AS I POSTED BEFORE WHICH IS ABOUT SYSTEM UNIT_HARDWARE..
LAST WEEK MY CLASS HAVE DONE A WORKSHOP OF DISASSEMBLE THE SYSTEM UNIT...
HERE IS THE TASK..

TASK:
A student need to show how to assemble and disassemble System Unit. Before that you can try assemble system unit use simulation link provided. Try it and feel it

SO I'M GONNA SHARE WHAT I'VE DONE WITH MY GROUP MEMBER...

INSIDE OF SYSTEM UNIT

HERE SOME CLEAR IMAGES OF COMPONENT ABOVE

ADAPTER CARD

HEATSINK

DVD ROM

COOLING FAN

HERE IS JUST AN ADDITIONAL FROM MY WORKSHOP CLASS.. ^_^

ALL OF THIS WORK IS THE SUMMARY OF THE TOPIC THAT I'VE MENTIONED ON LAST POSTED..



 BROCHURE OF 
INFORMATION TECHNOLOGY

SYSTEM UNIT _HARDWARE

OKAY..NOW WE GONNA LEARN ABOUT SYSTEM UNIT WHICH IS HARDWARE..
FIRST OF FOREMOST, WHAT IS SYSTEM UNIT??

SYSTEM UNIT : A CASE THAT CONTAINS & PROTECTS 'MOTHERBOARD', HARD DRIVE,MEMORY & OTHER ELECTRONIC COMPONENTS.

INSIDE OF SYSTEM UNIT

WHAT IS INSIDE SYSTEM UNIT?

1. MOTHERBOARD 
2. MEMORY SLOT
3. ADAPTER CARD
4. CENTRAL PROCESSING UNIT (CPU)
5. DVD ROM
6. HARD DISK
7. COOLING FAN + HEAT-SINK

MANUFACTURE OF PROCESSOR

REMEMBER THIS OUT!!

1. FETCH: fetch data from memory
2. DECODE: translate instruction into signals computer can perform
3. EXECUTE : process of carrying out the commands
4. STORE: writing results to memory

DATA REPRESENTATION

OKAY,NOW WE KNOW COMPUTER OPERATION....BUT WE STILL DON'T KNOW HOW..ISN'T??

HOW THE COMPUTER OPERATE??

-THEY OPERATE BY REPRESENTING DATA THAT ELECTRONICALLY BY USING 2 BINARY DIGIT  1 (ON) AND 0 (OFF)

WHAT IS BINARY NUMBER??

-  number system that have 2 unique digit (1)(0)

WHY??

-to represent electronic status of bits in memory.

-also used for other purpose: addressing memory location

WHAT IS HEXADECIMAL NUMBER??

- number system that uses 16 different symbols (1,2,3,4,5,6,7,8,9,A,B,C,D,E,F)

WHY??

-shorthand method/ representing binary digit stored in computer

- its not gonna be misread by people as it represent by other symbols (C9A1 )

OKAY..NOW WE'RE CLEAR WITH NUMBERING SYSTEM..

NEXT,I TEACH ON HOW TO CONVERT THESE NUMBERING SYSTEM..

DECIMAL-BINARY

* divide by 2, find the remainder

BINARY- DECIMAL

*  place value method

DECIMAL-HEXADECIMAL

* divide by 16, find remainders

HEXADECIMAL- DECIMAL

*place value method

COMPUTER SYSTEM

Seem like you enjoyed learning computer science. So,let dive more what is in computer science.
Today,I'm gonna share about computer system (system concept ).

As we learnt before, computer is an electronic device (machine),that performs 4 basic operation:
1.input
2.process
3.output
4.storage

before that what is the meaning of those 4 basic operation??
let's getting know to those basic operation

INPUT   - any data/ instruction entered into memory of computer

   

PROCESS -transforming data into information

OUTPUT - presenting results into useful form

STORAGE- store programme/ output for future use

OVERVIEW COMPUTER SYSTEM

IPO MODEL (INFORMATION PROCESSING CYCLE) 

THEN..HOW TO DRAW??

 

1. INPUT & OUTPUT 

2. PROCESS

3. STORAGE

#IF YOU ARE STUDENTS..YOU'RE COMPULSORY TO REMEMBER THIS STRUCTURE!!

WHY SO?? REMEMBERING THIS IPO MODEL WILL HELP YOU,STUDENTS MORE UNDERSTAND IN THIS TOPIC..

DIFFERENCE OF TWO CATEGORIES OF COMPUTER

People mostly confused by the these two categories of computer whereby mobile computer &devices with personal computer

*PERSONAL COMPUTER

-computer that can perform all input, processing,output & storage activities by itself

•size: fit on desk
•speed: depends on memory & processor
•storage: depends on hard drive size

*MOBILE COMPUTER & DEVICES

- computer : personal computer that can carry from place to place

• e.g : net book (smaller, not as powerful as notebook computer)

:tablet PC

: notebook computer

-devices : small enough to hold in your hand

•size : fit on lap

•speed: slower than personal computer

•storage : small storage media

• e.g : media player (iPod, mp 3)

: digital camera

# SO THE DIFFERENCE OF THESE TWO COMPUTER ARE :

•physical size

• speed 

•even the function is totally different!

CATOGERIES OF COMPUTER

WE HAVE LEARNED ABOUT INFORMATION TECHNOLOGY..NOW,WHAT IS COMPUTER MEANS & ITS CATEGORIES

COMPUTER is an electronic devices that performs operations input,processing,output & storage

CATEGORY OF COMPUTER

#Supercomputer

•fastest, most powerful & most expensive computer

• usage: for very complex sophisticated job [ nuclear research, online banking, automotive design]

•size: full room of equipment

•speed: capable to process trillions of program's instructions per second 

• storage: more than 20 000 of data & information 

#Mainframe

•large, expensive, powerful computer mostly
•usage: capable of great processing speed & data storage (insurance companies)

•size: partial of full room equipment 

•speed: capable to handle 100-1000 of connected users simultaneously
•storage: store tremendous of data, instruction & information
•adv: huge memory
:high speed (process vast amount of data,quickly)
:super reliable (detect & correct error)
:multi-users

#EMBEDDED COMPUTER
•special purpose hat function as components that embedded in large component
•size: exist as small chip
•speed: slower than mobile computer & devices
•storage: limited / small storage media
•e.g : consumer electronics (DVD player)
: home animation device (washing machine, freezer)
: automobile (airbag controller)
: computer devices & office machine (printer)