This is a continuation of the previous post, found here. The methods for bringing numbers into the store from outside (input), involves operations and concepts which we shall hopefully discuss in a later post, alongside the sending out of information (output). A program must be written to input the latest figures for the total [… Read More]
In order to describe programming against the background of a more realistic problem, in this and a few subsequent posts, we will be developing a program which might be used by a trader (in this case, a wine merchant), in order to keep records of various aspects of his business. For the moment, we can [… Read More]
Many of the features in a microprocessor system or a microcomputer can also be found in a mainframe or a minicomputer. The basic architecture, as it is known, is essentially the same, whatever the size of the computer which is being considered. An understanding of this architecture, and some of the basic operating processes within [… Read More]
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The term micro in this context first appeared in 1972, when the Intel Corporation produced the 4004 microcomputer. At the heart of this system was an LSI package, which included all the features normally encountered within the CPU of a mainframe or a minicomputer, on a single chip. This IC was therefore given the name [… Read More]
Transistors were invented in 1948, and less than 10 years later they had all but replaced the outdated electrical valves which ran the digital calculation systems of the day. Simultaneous developments in the design of immediate-access memory stores enabled general purpose computers to be produced at a price which gave a reasonable chance of a [… Read More]
