CHAPTER 1 : INTRODUCTION OF IT by JANNAH ZAINOL https://padlet.com/ainurjxnnah/gc3gz30861s02f49 Definition : The use of software computer hardware and software to store, retrieve and manipulate information en-us 2020-11-25 19:15:47 UTC 2024-10-31 16:40:32 UTC hello@padlet.com https://padlet.net/icons/png/1f5a5.png ADVANTAGES ainurjxnnah https://padlet.com/ainurjxnnah/gc3gz30861s02f49/wish/961169327
  • SPEED
    • - Data instruction and information flow incredibly at fast speed. Process a billion / trillion of operation in a single second
    • RELIABILITY
    -  Electronic component are dependable and reliable because rarely breaks or fail
    • CONSISTENCY
    - Computer with the same input will produce the same result consistency
    • STORAGE 
    - Store enormous amount of data and make this data available for processing anytime needed
    • COMMUNICATION
    - Can communicate with another computer, allow user to communicate with each others
    ]]>     2020-11-25 19:19:42 UTC https://padlet.com/ainurjxnnah/gc3gz30861s02f49/wish/961169327     DISADVANTAGES ainurjxnnah https://padlet.com/ainurjxnnah/gc3gz30861s02f49/wish/961193625
  • VIOLATION OF PRIVACY 
    • - Personal / confidential records not protect properly. Privacy violated / identities stolen
    • PUBLIC SAFETY
    - Victims commite crimes by dangerous strangers
    • IMPACT LABOUR FORCE
    - Computer produce / improved productivity. Computer replace many labour
    • HEALTH RISK
    - Prolonged and improper lead to health injuries
    - computer addict can cause behaviours health risk
    • IMPACT ON ENVIRONTMENT
    - Computer manifacture / wast are destroying and polluting the environment
    ]]>     2020-11-25 19:27:10 UTC https://padlet.com/ainurjxnnah/gc3gz30861s02f49/wish/961193625     HEALTHCARE ainurjxnnah https://padlet.com/ainurjxnnah/gc3gz30861s02f49/wish/961233866 2020-11-25 19:37:17 UTC https://padlet.com/ainurjxnnah/gc3gz30861s02f49/wish/961233866 EDUCATION ainurjxnnah https://padlet.com/ainurjxnnah/gc3gz30861s02f49/wish/961266134 2020-11-25 19:43:13 UTC https://padlet.com/ainurjxnnah/gc3gz30861s02f49/wish/961266134 FINANCE ainurjxnnah https://padlet.com/ainurjxnnah/gc3gz30861s02f49/wish/961268829 2020-11-25 19:43:51 UTC https://padlet.com/ainurjxnnah/gc3gz30861s02f49/wish/961268829 GOVERNMENT ainurjxnnah https://padlet.com/ainurjxnnah/gc3gz30861s02f49/wish/961272417 2020-11-25 19:44:42 UTC https://padlet.com/ainurjxnnah/gc3gz30861s02f49/wish/961272417 PUBLISHING ainurjxnnah https://padlet.com/ainurjxnnah/gc3gz30861s02f49/wish/961280355 2020-11-25 19:46:23 UTC https://padlet.com/ainurjxnnah/gc3gz30861s02f49/wish/961280355 TRAVEL ainurjxnnah https://padlet.com/ainurjxnnah/gc3gz30861s02f49/wish/961283248 2020-11-25 19:47:02 UTC https://padlet.com/ainurjxnnah/gc3gz30861s02f49/wish/961283248 MANUFACTURING ainurjxnnah https://padlet.com/ainurjxnnah/gc3gz30861s02f49/wish/961286080 2020-11-25 19:47:40 UTC https://padlet.com/ainurjxnnah/gc3gz30861s02f49/wish/961286080 MAINFRAME ainurjxnnah https://padlet.com/ainurjxnnah/gc3gz30861s02f49/wish/961291416 DEFINITION :
    The large, expensive and powerful computer. Can handle hundred / thousand instruction simultaneously

    PHYSICAL SIZE :
    Occupy partial room to a full room of equipment
    SPEED :
    Dozens of processor
    STORAGE
    4.6 Tera byte (TB)

    USE IN FIELD
    - Banking Transition
    ( Host the database of its customer accounts )
    - Flight Company
    ( Host the database of the plane )]]>     2020-11-25 19:48:55 UTC https://padlet.com/ainurjxnnah/gc3gz30861s02f49/wish/961291416     SUPERCOMPUTER ainurjxnnah https://padlet.com/ainurjxnnah/gc3gz30861s02f49/wish/961332158 DEFINITION :
    The most fastest, most powerful computer. Capable of processing more than one quadrillion instructions per second

    PHYSICAL SIZE :
    Occupy a full room of equipment
    SPEED :
    Tens of thousand of processor
    STORAGE
    3.1 Penta byte (PB)

    USE IN FIELD
    - Quantum Mechanics
    - Weather Forecasting
    - Climate Changes
    - Oil and Gas exploration
    - Molecular Modeling]]>     2020-11-25 19:59:31 UTC https://padlet.com/ainurjxnnah/gc3gz30861s02f49/wish/961332158     PERSONAL COMPUTER ainurjxnnah https://padlet.com/ainurjxnnah/gc3gz30861s02f49/wish/961349875 DEFINITION :
    Can perform all of its input, processing output  and storage activities by itself

    PHYSICAL SIZE :
    Fits on a desk
    SPEED :
    Single processor (1.5 - 2.5 Ghz)
    STORAGE
    500 Giga byte (GB)


    ]]>     2020-11-25 20:04:36 UTC https://padlet.com/ainurjxnnah/gc3gz30861s02f49/wish/961349875     SUPERCOMPUTER ainurjxnnah https://padlet.com/ainurjxnnah/gc3gz30861s02f49/wish/961375819 SIZE
    - The size of supercomputer is larger than mainframe

    COST
    - The cost of supercomputer is more expensive than mainframe

    ]]>     2020-11-25 20:07:58 UTC https://padlet.com/ainurjxnnah/gc3gz30861s02f49/wish/961375819     MAINFRAME ainurjxnnah https://padlet.com/ainurjxnnah/gc3gz30861s02f49/wish/961384275 SIZE
    - The size of mainframe is smaller than supercomputer

    COST
    - The cost of mainframe is less expensive than supercomputer]]>     2020-11-25 20:09:36 UTC https://padlet.com/ainurjxnnah/gc3gz30861s02f49/wish/961384275     SCIENCE ainurjxnnah https://padlet.com/ainurjxnnah/gc3gz30861s02f49/wish/1012162955 2020-12-12 11:33:07 UTC https://padlet.com/ainurjxnnah/gc3gz30861s02f49/wish/1012162955