IT L1

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Created by
Pia Martha

Cards (30)

  • TECHNOLOGY 
    • It is the output/product of application of tools, methods, and strategies because of stiff study, continuous development for enhancement or upgrade purposes. 
  • technology -
    • Improvement, enhancement, development is called innovation.
  • MAIN COMPONENTS OF COMPUTER
    1. HARDWARE
    2. SOFTWARE
    3. PEOPLE OR USERS
    • HARDWARE Parts of the computer we can touch (tangible)
    • SOFTWARE We can see and experience (intangible)
    • PEOPLE OR USERS The one who manipulates the computer
  • ANATOMY OF COMPUTER DEVICES
    1. INPUT DEVICES
    2. OUTPUT DEVICES
    • INPUT DEVICES Refers to the devices we can use to input data. or, Devices that use to transfer or transport the data to the computer.
    • OUTPUT DEVICES Devices we use to produce us data. Display or printed copy. 
  • Scanners: used to transfer/input graphical images or documents to the computer.
    • Printer is used to create hardcopies of the documents
    • Monitor used to display output to a user
    • SCREEN SIZE Measurement of the monitor
    • RESOLUTION It is the number of pixels that can be displayed in the displaying area
    • PIXEL Smallest single component of an image and each pixel is composed of 3 or 4 components of colors.
    • DOT PITCH Is the distance of pixels from one another
  • ETYMOLOGY OF PIXEL: PIX AND EL
  • Pix: is used as an abbreviation for the word “picture”
  • El: For “element”
  • STORAGE DEVICE
    • Devices that we can use to save or store our data.
    1. Primary Storage:
    Devices that can store the data temporarily and it is dependent on electricity. Located in the Computer System Unit (CSU).
  • EXAMPLE OF PRIMARY STORAGE: RANDOM ACCESS MEMORY (RAM)
  • Secondary Storage: Devices that can store data for a longer time or permanently.
  • EXAMPLE OF SECONDARY STORAGE: HARD DRIVE OR HARD DISK
  • CLASSIFICATION OF SECONDARY STORAGE
    1. MAGNETIC STORAGE
    2. OPTICAL STORAGE
    3. CHIP STORAGE
    • Magnetic Storage
    1. Floppy Disk
    2. Hard Disk
    • Optical Storage - safest (no virus)
    1. Compact Disc (CD) - store large data
    2. Digital Video Disc (DVD) - can hold much data
  • 2 Types of CD/DVD
    1. Compact Disc - Recordable (CD-R)
    Digital Video DIsc (DVD)
    1. Compact Disc - Rewritable (CD-RW)
    Digital Video Disc (DVD)
    • Chip Storage - can hold large data
    1. Flash Drive (storage device that can hold large data)
  • CLASSIFICATION OF COMPPUTER
    1. DESKTOP COMPUTER
    2. NOTEBOOK COMPUTER
    3. LAPTOP
    4. POCKET/PALM COMPUTER
    5. MAINFRAME COMPUTER
    6. SUPER COMPUTER