In the computer, all data are represented as binary digits (bits), and eight binary digits make up one byte. For example, the upper case letter A is 0101001. Numbers however can take several forms.

Create a table or use an existing one. Type =DEC2BIN(A2, B2) into the cell you want to place the result. Then press the Enter key to see the result. To see the other results in the table, drag the ...

Binary is a number system that only uses two digits, \(0\) and \(1\). It was invented by German mathematician Gottfried Wilhelm Leibniz. Binary code is used widely in computer programming, so it is ...

The Babylonians used separate combinations of two symbols to represent every single number from 1 to 59. That sounds pretty confusing, doesn’t it? Our decimal system seems simple by comparison, with ...

Beginners often have difficulty reading the value of –2’s complement number; here’s a simple technique that may help. In my previous column, I introduced the SANX-I Microcomputer, whose goal is to ...