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Answer as many questions as possible correctly

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Last updated: March 5, 2021

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First submitted | March 4, 2021 |

Times taken | 88 |

Average score | 30.0% |

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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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