Tag Archive | IBM

The COBOL Programming Language

Pedro Trebbau Lopez The COBOL programming language was created in 1959 with the goal of having a universal programming language that could be used on any computer, because in the 1960s there were numerous incompatible models of computer. COBOL was mainly business oriented. COBOL is the acronym of Common Business-Oriented Language. In creating this language, […]

Minicomputers: The IBM System/34

Pedro Trebbau Lopez The System/34 also known as S/34 was a minicomputer manufactured by  IBM. It was introduced in April 1977 as a cheap alternative to the mainframes of the S/370 series . It was the successor to the System/32 and System/36 and the precursor of the smaller sister S/38 system . The S/34 served […]

IBM System 3: Predecessor of the Modern Server

Pedro Trebbau Lopez The IBM System/3, introduced in 1969 and discontinued in 1985, was a cheap IBM computer for office tasks aimed at new customers or organizations that still maintained computers or IBM accounting machines of the 1400 Series. It was the first member of the family that IBM called Midrange. These computers are known […]

Punched Cards

Pedro Trebbau Lopez The punched cards is made ​​of cardboard sheet containing information in the form of perforations in a binary code. These were the first methods used to enter data and instructions into a computer in the 1960s and 1970s. Punch cards were used previously by Joseph Marie Jacquard  in his invention, the automated […]

Diskettes or Floppy Disks

Pedro Trebbau Lopez A diskette is a flexible plastic disc coated with ferromagnetic particles, which enables the recording, erasing and reading of information on its surface by means of an electromagnetic head. They are protected by a plastic cover that is more rigid to avoid contact with the outside. These disks are of the  portable […]

The IBM PC

Pedro Trebbau Lopez The IBM Personal Computer, commonly known as the IBM PC, is the original version of the IBM PC compatible hardware platform. IBM originally denominated it as  the 5150 model, and was introduced on August 12, 1981. It was created by a team of engineers and designers under the direction of Don Estridge […]