How many bits are equivalent to a Nibble in the world of computer architecture?

What distinguishes von Neumann from Harvard architectures?

The following is accurate if a transistor on an integrated circuit chip is 2 microns in size or smaller: How much bigger will the transistor become in two years, according to Moore's Law? What significance does Moore's Law have for computer programming?

Why does the output of floating-point arithmetic on a binary digital computer always have some degree of error?the most significant developments in computer technology?