Number System: An Introduction — Formula Sheet
ICSE · Class 7 · Computer Studies
7 formulas from Number System: An Introduction (ICSE Class 7 Computer Studies) on one page, grouped by topic. Covers Decimal Number System, Binary Number.
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Formulas and Key Relations
2. Decimal Number Representation
(3435)_{10}
3. Binary Number System and Conversion
(1101)_{2}
value = Σ (binary digit × 2^position)
Repeated division by 2
4. Octal Number System and Conversion
(3047)_{8}
Repeated division by 8
3-bit grouping
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