Course Content
Computer Science : Paper 1
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Chapter 1
Chap1: Knowing Number Systems : Binary System
Chap1: Knowing Number Systems : Hexa Decimal
Chap1: Knowing Number Systems : Binary Addition
Chap1: Knowing Number Systems : Binary logical Shift
Chap1: Knowing Number Systems : Two’s complement (binary numbers)
Chap1: Text – Character sets – ASCII code and Unicode
Chap1:Representing Sound
Chap1 : Representation of (bitmap) images
Chap1 : Measurement of data storage
Chap1: Calculation of file size
Chap1: Data compression
Chap1: Lossy and lossless file compression
Chapter 2
Chap2 : Data packets
Chap2 : Data transmission
Chap2 : Universal serial bus (USB)
Chap2 : The need to check for errors
Chap2 : Automatic Repeat Requests (ARQs)
Chap2 : Purpose of Encryption
Chap2 : Symmetric and asymmetric encryption
Chap 3 :
Chap4
Chap5
Chap 6
Computer Science :Paper 2
Olevel Computer science 2010 : Notes Pack

 Symmetric and asymmetric encryption:

Instructions:
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