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First Known Software Bug:
Buggy Computer Club, in 1945 engineers found a moth in Panel F, Relay #70 of the Harvard Mark II system. The computer was running a test of its multiplier and adder when the engineers noticed something was wrong.
PSY404 HANDOUTS PDF
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The moth was trapped, removed, and taped into the computer’s logbook with the words: “first actual case of a software bug being found.”
i. NASA: Mariner Failure in 1962
A bug in the flight software for the Mariner 1 causes the rocket to divert from its intended path on launch. Mission control destroys the rocket over the Atlantic Ocean.
The accident discovered that a formula written on paper with a pencil was incorrectly transcribed. Computer code, causing the computer to calculate the rocket’s trajectory incorrectly.
PSY404 HANDOUTS-ABNORMAL PSYCHOLOGY:
ii. Korean airliner crash:
The Korean Air KAL801 crash in Guam killed 225 of the 254 people on board. software design A problem has been detected with the Ground Approach Warning System (GPWS) barometric altimeter.
iii. customer tracking system:
In 1996, a bank in San Francisco was ready to deploy an app to track a customer’s phone. Reports from the new system are delivered directly to the bank president and director group.
PSY404 HANDOUTS PDF-ABNORMAL PSYCHOLOGY:
The initial presentation of the product seemed slow, but the phone banking part was The stylist assured the director that everything was fine. But the system kept crashing. It cannot support multiple users at the same time and does not meet the security requirements of the bank. after, after The 3-month project was stopped. This results in approximately $200,000 in lost employee time.