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JSS2: COMPUTER STUDIES - 1ST TERM

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  1. Computer Software | Week 1
    3Topics
    |
    1 Quiz
  2. Operating System | Week 2
    9Topics
    |
    1 Quiz
  3. Computer Memory: Primary And Secondary Memory | Week 3
    5Topics
    |
    1 Quiz
  4. Computer Memory II: Secondary / Auxiliary / External Memory | Week 4
    3Topics
    |
    1 Quiz
  5. Number System I | Week 5
    4Topics
    |
    1 Quiz
  6. Number System II | Week 6
    2Topics
    |
    1 Quiz
  7. Units of Storage In Computer | Week 7
    3Topics
    |
    1 Quiz
  8. Problem Solving Skills With Computer | Week 8
    7Topics
    |
    1 Quiz
  9. Computer Programming Languages | Week 9
    3Topics
    |
    1 Quiz
Lesson Progress
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NameUnit
Bit    0 or 1
Nibble    4
Byte8
Word16 bits
KB (Kilobyte)1024
MB (Megabyte)1 million bytes (1024 KB)
GB (Gigabyte)1 billion bytes(1024 MB)
TB (Terabyte)1 trillion bytes(1024 GB)
PB (Petabyte)1 quadrillion bytes (1024 TB)
EB (Exabyte)1 quintillion bytes (1024 PB)
ZB (Zettabyte)1 sextillion bytes (1024 EB)
NameSymbolValueFactor
Kilogram  kg  1000103
Kilometre  km  1000103
Kilobyte   kb    1024  210

Distinction between KB, MB, GB.

NameSymbolFactorValue
KilobyteKB2101024
MegabyteMB2201,048,576
GigabyteGB2301,073,741,824
TerabyteTB2401,009,511,627,776

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