We worked our way up to logic gate implementations for half adders and full adders, as illustrated below. In closing, I asked you to start thinking about how we could use these functions to add two ...

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 ...

Binary and hexadecimal numbers systems underpin the way modern computer systems work. Low-level interactions with hexadecimal (hex) and binary are uncommon in the world of Java programming, but ...

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.

It’s hard to believe today, but in the 1940s, the earliest computer technicians actually worked at the bit level. If a computer made a mistake and the technician determined it wasn’t from a burned-out ...

Before we plunge headfirst into the fray with gusto and abandon, let’s briefly remind ourselves how we got here. In Part 1, we introduced the concepts of integers, signed integers, and unsigned ...