day 1 computer basics
TRANSCRIPT
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COMPUTER BASICS PART 1
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Computer ek aisi machine hai jo input ko process krke output/result deti hai
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DATA :Collection of factsRaw information
INFORMATION :
Useful InformationFacts in organized manner
DATA PROCESSING :Sequence of actions required to
be performed on data to convert it into results.
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TERMINOLOGY
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Hardware
vs.
Software
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The “tangible objects” Jinko hum touch kar sakte hai
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HardwaresMemoryRAMHard Disk/Floppy Disk/CDCPU/MotherboardModem
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Jo kuch bhi hum computer me save karte hai wo uski Memory me save hota hai.
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Har kaam sabse pehle primary memory me save hota hai
Temporary memory
also called main memory or internal memory
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RAM- Random Access
Memory
ROM- ReadOnly
Memory
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RAM- Random Access
Memory
Memory chip of computerTab tk kaam krta hai jab tk Computer on hai.Computer band krne par data erase ho jata hai
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ROM- ReadOnly
Memory
Name given to chips storing data.Data can not be modified. read only.Data not get lost
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Jo bhi hum save karte hai wo is memory Me save hota hai
Permanent memory hai
Data future use ke liye save rehta hai
Transfer kar sakte hai
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CPU- Central ProcessingUnit
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LOOKING AT THE CPU
CD Rom drive 3 ½ inch floppy
disk drive On/Off button Restart button
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CPU
Monitor (screen)
MOUSE
KEYBOARD
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Software-computer programsSpecified taskIntangible(jinhe hum touch nahi kar skte)
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TYPE OF SOFTWARE
Application softwareSystem software
MOUSE JOYSTICK LIGHT PEN OPTICAL SCANNER OPTICAL CHARACTER RECOGNITION MAGNITIC INK CHARACTER READER BAR CODE READER DIGITAL CAMERAS MICROPHONE
Visual display unit Printers Speakers monitor