Operating System
It is a program with following features: ● An operating system is a program that acts as an interface between the software and the computer hardware. ● It is an integrated set…
Networking
What is a Computer Network? A computer network is a system in which multiple computers are connected to each other to share information and resources. Characteristics of a computer network…
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 for particular purpose. Data processing consists of basic steps input,…
Data and Information
What is data? Data can be defined as a representation of facts, concepts or instructions in a formalized manner which should be suitable for communication, interpretation, or processing by human…
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 decimal for this conversion). ● Step 2 - Combine all the resulting…
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 of four binary digits to one hexadecimal symbol. Example Binary…
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 decimal for this conversion). ● Step 2 - Combine all the resulting…
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 of three binary digits to one octal digit. Example Binary…
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 obtained to the new base number. Example Octal Number :…
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 the base of the number system). ● Step 2 - Multiply the…
