This document provides an overview of computers including their classification, hardware components like the CPU, RAM, and storage devices. It discusses input devices like keyboards and mice, as well as output devices like monitors and printers. The document also covers the advantages of computers in terms of speed, accuracy, storage, versatility, and automation. Finally, it defines storage units from bits to terabytes.

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2. Computer is an electronic machine
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3. Classification of a pc
Personal computer
Hardware Software
Cpu Devices
cu mu
Hard diskRamMother board
System Application
Office, accountingWindow,unix
Keyboard,Mouse,Monitor
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4. Input device
1. Mouse
2. Keyboard
3. Pen drive
4. Scanner
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5. Output deceives
1. Monitor
2. Printer
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6. Storage Devices
1. Hard disk
2. Pen drive
3. Compact disk
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7. Advantage of computer
S:-Speed
A:-Accuracy
S:-Storage
V:-Versatile
A:-Automatic
D:-Diligence
The short way to remember the advantage
of a computer is:
“SASVAD”
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8. Storage Unit
 8 Bits = 1 Byte
 1024 Bytes = 1 KB (Kilobyte)
 1024 KB = 1 MB (Megabyte)
 1024 MB = 1 GB (Gigabyte)
 1024 GB = 1 TB (Terra Byte)
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9. Thank you
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