Month: July 2013

Computer Overheating?

Here is the inside of a computer I’m working on. Symptom: It doesn’t power on. Here is a shot of the power supply unit (PSU): Please try to keep dust and dirt out of your computer. Once a year, open it up and shoot the insides with canned air to get the dirt out. If […]

Inside Your Computer

“How does a computer work? The critical components of a computer are the peripherals (including the mouse), the input/output subsystem (which controls what and how much information comes in and out), and the central processing unit (the brains), as well as human-written programs and memory. Bettina Bair walks us through the steps your computer takes […]

Tetris Rewards

Pull up the original Tetris on Nintendo or using an emulator and play the B-Type game. When you clear enough lines to get the Success! message, what’s with the random reward screens? Giant penguins walking behind the Kremlin? Ufo’s? Pterodactyls? “Good” blimps? The Rocket-propelled onion tops makes sense though. Dr. Mario also had weird ones.

Mother of All Demos

“The Mother of All Demos is a name given retrospectively to Douglas Engelbart‘s December 9, 1968, demonstration of experimental computer technologies that are now commonplace. The live demonstration featured the introduction of the computer mouse, video conferencing, teleconferencing, hypertext, word processing, hypermedia, object addressing and dynamic file linking, bootstrapping, and a collaborative real-time editor.”