[amp_mcq option1=”80 columns” option2=”120 columns” option3=”96 columns” option4=”126 columns E. None of the above” correct=”option1″]
The correct answer is: A. 80 columns
The IBM System/3 was a family of mainframe computers introduced by IBM in 1969. It was the successor to the IBM System/360 Model 20, and was designed to be a smaller, less expensive computer for smaller businesses. The System/3 used a punched card with 80 columns, which was a standard size for punched cards at the time.
The other options are incorrect:
- Option B: 120 columns is the number of columns on a punched card used by the IBM System/370, which was a later model of mainframe computer introduced by IBM in 1970.
- Option C: 96 columns is the number of columns on a punched card used by the IBM 1401, which was a computer introduced by IBM in 1960.
- Option D: 126 columns is the number of columns on a punched card used by the IBM 7090, which was a computer introduced by IBM in 1956.
- Option E: None of the above is the correct answer.