Communications of the ACM
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From BLOG@CACM
How Does One Multiply with Napier's Rods?
Napier's multiplication and division rods, deriving from the basic multiplication table, simplify calculations considerably.
From BLOG@CACM
Software Learning: The Art Of Design Regret
How should software engineers try to classify their reflections?
From BLOG@CACM
How Does One Calculate With A Circular Slide Rule?
The circular slide rule was widely used until the 1970s.
From BLOG@CACM
10 Tips for Implementing Executable Exams
The focus is on executable exams for an Introduction to Computer Science course.
From BLOG@CACM
Is Computing a Team Sport?
I take a peek at the history of computing to see if pioneering early developments were the results of team effort.
From BLOG@CACM
Understanding NoSQL Database Types: Document
Document databases are particularly useful in app development.
From BLOG@CACM
Charles Babbage and the Loom
Babbage wanted to control his analytical engine, regarded as the ancestor of the modern-day computer, with punched cards.
From BLOG@CACM
Understanding NoSQL Database Types: Graph Databases
SQL represents data stored in rows and tables, while high-growth NoSQL is data stores arranged via nested documents as columnar schemas or key-value pairs. One...
From BLOG@CACM
Misnomer and Malgorithm
The algorithm should be respected; the malgorithm should be rejected.
From BLOG@CACM
AI or Intelligence Augmentation for Education?
Applications of artificial intelligence to education are spreading and intensifying, but we have the acronym backwards. Building ethical, equitable applications...
From BLOG@CACM
NoSQL vs. SQL
Broadly, NoSQL has an absence of strict schemas for entities/attributes, while SQL rigidly relates/regulates the two.
From BLOG@CACM
The Skills Students Gain in Online Learning
The Corona Year as an opportunity for science and engineering students to practice 21st century skills.
From BLOG@CACM
Birthday Bit Boundaries
Which birthdays would have special significance if our culture were binary-based instead of decimal-based?
From BLOG@CACM
Why Focus on Technologies for Human Learning?
By choosing human learning as a topic area, computer scientists can contribute to major societal challenges, win grants in additional programs, and tackle new computer...
From BLOG@CACM
How Do You Calculate on the Abacus?
Considering the use of one of the most long-lived calculating devices.
From BLOG@CACM
Deadlines of the Digital Turn
Sometimes the digital turn forces us to designate things that aren't there.
From BLOG@CACM