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Computers and Software

Answer as many questions as possible correctly
Quiz by CargoClutz
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Last updated: March 5, 2021
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First submittedMarch 4, 2021
Times taken80
Average score30.0%
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1. Ada Lovelace is widely recognised as the first computer programmer for the algorithm she published to run on a Babbage machine. What did it do?
Calculated decimals of Pi ✓
Calculated Bernouilli numbers ✓
Calculated Gaussian probabilities ✓
Calculated a hash code for Strings ✓
2. In 2020 the fastest supercomputer could execute approximately how many floating point operations per second?
4,000,000,000,000 ✓
4,000,000,000,000,000 ✓
40,000,000,000,000,000 ✓
400,000,000,000,000,000 ✓
3. What is the maximum number of Bitcoins that can be created?
2,100,000 ✓
21,000,000 ✓
210,000,000 ✓
2,100,000,000 ✓
4. The weight of the first fully functional digital computer was
750 kilos ✓
3 tons ✓
30 tons ✓
50 tons ✓
5. The linux kernel is approximately how many lines of code?
100,000 ✓
2,000,000 ✓
30,000,000 ✓
400,000,000 ✓
6. Unix v1.0 had how many lines of code (1971)?
1000 ✓
10,000 ✓
100,000 ✓
1,000,000 ✓
7. The original name for Java was what?
Bonsai ✓
Coffee ✓
Oak ✓
Lava ✓
8. In a 64 bit JVM, the smallest object is how big?
8 byte ✓
16 bytes ✓
32 bytes ✓
64 bytes ✓
9. What is 1.875 (decimal) in binary?
1.01 ✓
1.101 ✓
1.11 ✓
1.111 ✓
10. What is Moore's second law?
That Quantum Mechanics will limit transistor sizes to 5 nanometers ✓
That the energy used by a chip will double every two years ✓
That the cost making a chip will double every four years ✓
That the size of transistors will shrink by square root of two every two years ✓
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