Review · Luhn algorithm1 / 7
RightSignalWeek of Nov 2 – 8 · review
Review · Two's complement2 / 7
An 8-bit signed counter holds 127. What does it hold after adding 1?
Review · Rolling hash3 / 7
A window's hash equals the target's hash. What should the search do next?
Review · Time-based one-time passwords4 / 7
How can a fake login page still get into your account?
Review · Locality-sensitive hashing5 / 7
Why can't an ordinary hash like SHA-256 find near-duplicate pages?
Review · Content-addressable storage6 / 7
Two people on different computers save files with exactly the same bytes. What are their content addresses?
Review · Copy-on-write7 / 7
A process with 1,000 pages forks. The child writes to 20 pages and the parent writes to 10 others. How many page copies are made?
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