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Programming Quiz Channel
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Programming quizzes and knowledge tests Short quizzes on programming, logic and computer science. Test and improve your coding knowledge. Join 👉 https://rebrand.ly/bigdatachannels DMCA: @disclosure_bds Contact: @mldatascientist
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Channel Posts
A model achieves 99% accuracy detecting fraud, but only 1% of transactions are actually fraudulent. What metric should you examine next?
| 2 | Why is debouncing often used for search bars? | 68 |
| 3 | Two transactions modify the same record simultaneously and produce inconsistent results. What issue occurred? | 87 |
| 4 | What is the output of this code?
x = [1, 2, 3]
y = x y.append(4) print(len(x)) | 328 |
| 5 | What does high variance usually indicate? | 96 |
| 6 | What problem was DNS primarily created to solve? | 91 |
| 7 | A website loads slowly because it requests 500 small images. What is the main issue? | 331 |
| 8 | Why is a model evaluated on data it has never seen before? | 109 |
| 9 | Why do databases use transactions? | 423 |
| 10 | A computer has multiple CPU cores, but a program only uses one core. Which change is MOST likely to improve performance? | 122 |
| 11 | What is the primary purpose of a load balancer? | 122 |
| 12 | A developer changes a single function and unexpectedly breaks five unrelated features. Which design issue is MOST likely present? | 393 |
| 13 | Which traversal of a Binary Search Tree produces sorted output? | 418 |
| 14 | What does the 'I' in ACID database properties stand for? | 1 799 |
| 15 | Which metric is most appropriate for evaluating a regression model's performance? | 1 430 |
| 16 | Which browser storage mechanism is automatically sent with HTTP requests? | 504 |
| 17 | What is a context switch? | 152 |
| 18 | Which data structure would you choose to implement an autocomplete feature? | 561 |
| 19 | Which statistic is least affected by extreme outliers? | 1 268 |
| 20 | What is 'thrashing' in virtual memory systems? | 163 |
