Main memory comes in two principal varieties: …-access memory  and read-only memory.

The next great advance in computing power came with the advent of the integrated … .

A typical modern computer can execute billions of … per second and rarely makes a mistake over many years of operation.

With the continued miniaturization of computing resources, and advancements in portable battery life, …  computers grew in popularity in the 2000s.

Many mechanical … to calculation and measurement were constructed for astronomical and navigation use.

Examples of … systems are Unix, Linux, Android, Mac OS, and Windows.

Modern computers based on integrated … are millions to billions of times more capable than the early machines.

Since the late 1970s many office typewriters have been replaced by word … .

The … system is based on two digits: 0 and 1.

Newsgroup allows users to participate in dialogues and conversations by … free of charge.