The conversion of a decimal number into the binary using Repeated-division method is called double dabble method.

Each successive number after 7 is a combination of 2 or more unique symbols of Octal system

(128)₈
(128)₈ = 1 x 8² + 2 x 8¹ + 8 x 8⁰
          = 64 + 16 +8
(128)₈  = 88₁₀ 

A number system is a set of digits used to represent he values derived from a common base or radix

A byte is a group of 8 bits which is used to represent a character. A byte is considered as the basic unit of measuring the memory size in the computer.

Knowledge is identified from the information.
Example: 10 % of Men around the worlds likes football.

The given messages are represented in computer as Information \(\rightarrow \) Data \(\rightarrow \)Knowledge.

(i) Decimal Number system
(ii) Binary Number system
(iii) Octal Number system
(iv) Hexadecimal Number system

(i) Numbers
(ii) Text
(iii) Graphics
(iv) Animations
(v) Audio
(vii) Video etc

Associative
A + (B + C) = ( A + B) + C
A. (B. C) = (A . B) .C

The NAND is the combination of NOT and AND. The NAND is generated by inverting the output of an AND operator. The algebraic expression of the NAND function is : Y = A . B

(i) BCD - Binary Coded Decimal.
(ii) EBCDIC - Extended Binary Coded Decimal Interchange Code.
(iii) ASCII - American Standard Code for Information Interchange,
(iv) Unicode.
(v) ISCII - Indian Standard Code for Information Interchange

(28)₁₀ is positive number. 1’s Complement represent signed numbers (Negative numbers) only. So, (28)₁₀ cannot find 1’s complement.

46₁₀ - 101110₂

The term data comes from the word datum, which means a raw fact. The data is a fact about people. places or some objects