Before the invention of the clock, people relied on various methods to measure time. One of the most common tools used in the past was the alarm candle, a special type of candle designed to burn for a set amount of time before extinguishing itself, thus signalling the passage of...
The month of Ramadan is the ninth month of the Islamic calendar, and it is considered the holiest month for Muslims. It is a time of fasting, prayer, and spiritual reflection, observed by Muslims worldwide. During Ramadan, Muslims refrain from eating or drinking from sunrise to sunset. Instead, they focus...
A tape library is a storage device that contains one or more tape drives, a number of slots to hold tape cartridges, a barcode reader to identify tape cartridges, and an automated method for loading tapes. It is also sometimes referred to as a tape silo, tape robot, or tape...
The mercury delay line was a method for representing binary zeros and ones as pulses of acoustic energy that relied on sound waves flowing through a tube of mercury. At the very least, in principle, the pulses could travel through the delay line unbrokenly if they were to capture the...
The term “magnetic-core memory” refers to any one of a class of computer memory devices that consists of a large array of tiny toruses made of a hard magnetic material that can be magnetised in either of two directions. Other names for this type of memory include “core memory” and...
