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In 1645, Blaise Pascal presented his Pascaline to the public. Using only addition and the method of tens complement, the device could add, subtract, multiply, and divide. We discuss tens complement as an introduction to signed representations in binary.

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Computer Organization and Design Fundamentals Series was created as part of the East Tennessee State University’s Open Educational Resources (OERs) Awards Program.

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Episode-3.02-Transcript.pdf (87 kB)
Episode 3.02 – Tens Complement Arithmetic Transcript in PDF

Episode-3.02-Transcript.docx (16 kB)
Episode 3.02 – Tens Complement Arithmetic Transcript in Word