If you have ever wanted to design your own computer or wondered what was behind the most successful microcomputer of the 1980s, then this is the book for you. For the first time, the inner working of the Sinclair ZX Spectrum's custom chip and heart of the computer, the Ferranti ULA, is exposed in minute detail.

Heces Puntos Blancos ((new)) 【90% Extended】

Most white spots are harmless dietary remnants, but any moving, itching, or persistent finding warrants a stool parasite exam. Tapeworms and pinworms are treatable, but untreated parasites can lead to malnutrition or (rarely) complications like intestinal blockage or cysticercosis.