Cingletree Learning

- teaching tools for the connected classroom

Decimal Computer

Decimal Computer is a teaching tool for use in machine language computer science courses. We are in the early stages of developing this program, but a rough draft of the program is online and free to use. Feedback and comments are welcome.

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Product Details

Decimal Computer is a three decimal digit virtual machine. It contains one hundred cells of memory, fifteen input cards and fifteen output cards. The central processing unit (CPU) contains a three decimal digit accumulator with an associated one decimal digit 'carry bit', a three decimal digit instruction register, and a two decimal digit program counter. It can handle signed-magnitude execution with an additional sign bit, or alternatively, ten's complement execution without the sign bit.

Product Price

Decimal Computer is currently free to use.