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 ...

Way back in the mists of time (in the early days of 2006), I penned a “How To” column that presented An introduction to different rounding algorithms. In order to provide some real-world examples, ...

Ever glanced at the serial number on your dollar bills? Most of us don't think twice about those dark green digits on our cash. Here's something that might make you take a second look: some bills with ...

We may receive a commission on purchases made from links. If you don't already know how computers work, it may seem like an unapproachable subject. It's the kind of high-level science and math that ...

A signature should be small. This article considers a DS implementation example for binary file integrity checking in Linux (64-bit ELF). We will use a direct DS when only a sender and a recipient are ...