Basics 2 min read
Internet and Intranet
Internet It is a worldwide system which has the following characteristics: ● Internet is a world-wide / global system of interconnected…
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Basics 3 min read
Operating System
It is a program with following features: ● An operating system is a program that acts as an interface between the…
Basics 3 min read
Networking
What is a Computer Network? A computer network is a system in which multiple computers are connected to each other…
Basics 1 min read
Data Processing Cycle
Data processing is the re-structuring or re-ordering of data by people or machine to increase their usefulness and add values…
Basics 1 min read
Data and Information
What is data? Data can be defined as a representation of facts, concepts or instructions in a formalized manner which…
Basics 1 min read
Shortcut method – Hexadecimal to Binary
Steps ● Step 1 – Convert each hexadecimal digit to a 4 digit binary number (the hexadecimal digits may be treated as…
Basics 1 min read
Shortcut method – Binary to Hexadecimal
Steps ● Step 1 – Divide the binary digits into groups of four (starting from the right). ● Step 2 – Convert each group…
Basics 1 min read
Shortcut method – Octal to Binary
Steps ● Step 1 – Convert each octal digit to a 3 digit binary number (the octal digits may be treated as…
Basics 1 min read
Shortcut method – Binary to Octal
Steps ● Step 1 – Divide the binary digits into groups of three (starting from the right). ● Step 2 – Convert each group…
Basics 1 min read
Other Base System to Non-Decimal System
Steps ● Step 1 – Convert the original number to a decimal number (base 10). ● Step 2 – Convert the decimal number so…
Basics 1 min read
Other base system to Decimal System
Steps ● Step 1 – Determine the column (positional) value of each digit (this depends on the position of the digit and…
Basics 1 min read
Decimal to Other Base System
Steps ● Step 1 – Divide the decimal number to be converted by the value of the new base. ● Step 2 – Get…
