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12 Light & Fast Operating Systems For Old PCs, Tablets & Laptops

  12 Light & Fast Operating Systems For Old PCs, Tablets & Laptops Microsoft is marching forward with Windows 11 and 10 while Apple’s macOS Ventura is also upping the game. What is left behind are old computers with less powerful hardware. They can’t keep up with the ever-increasing system requirements of the newer OSes. Don’t worry because there are many lightweight operating systems that can run on old PCs, laptops, and even tablets very smoothly and fastly. They need anywhere between 128 to 1 GB RAM for running on your computer. Some of them are under 200 MB in size and can boot up quickly like a new PC. And most of these fast and lightweight OS can run live through USB flash drives. You don’t need to install them to use them for everyday work. So take a look at the best lightweight operating system for older PCs and laptops with less RAM. After that, you can also learn to create bootable media, if required.
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Discrete Cpu

  Discrete Cpu If you know anything about he design of a CPU, you’ll probably be able to identify that a critical component of all CPUs is the Arithmetic Logic Unit, or ALU. This is a collection of gates that can do a selection of binary operations, and which depending on the capabilities of the computer, can be a complex component. It’s a surprise then to find that a working CPU can be made with just a single NOR gate — which is what is at the heart of [Dennis Kuschel]’s My4th single board discrete logic computer. It’s the latest in a series of machines from him using the NOR ALU technique, and it replaces hardware complexity with extra software to perform complex operations. Aside from a refreshingly simple and understandable circuit, it has 32k of RAM and a 32k EPROM, of which about 9k is microcode and the rest program. It’s called My4th because it has a Forth interpreter on board, and it has I2C and digital I/O as well as a serial port for its console. This will never be a fast...
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