Happy 25 year birthday to the PC or personal computer!

“At 25 years old, it’s fun to look back on how far we’ve come. At 21 pounds (without drives), the 5150 wasn’t much fatter than the PCs of today. Under the hood, things looked a bit different: 40KB of read-only memory and 16KB of RAM (upgradable to 256KB). You could configure the machine with one or two 160KB floppy drives, but a jack for a cassette player was included. Users certainly loved the “power-on automatic self-test of system components” and “built-in speaker for musical programming.” And the keyboard (included) weighed six pounds. The 11.5-inch monochrome monitor, capable of displaying 25 lines of text, weighed in at 17 lbs. and supported both upper- and lowercase characters. Whoa.”
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