Apple Verification Engineer interview questions

1) Swap in Verilog 2) Print 2D matrix spirally starting from centre 3) randomize the size of a 2D matrix/multi dimentional array 4) Fork-join and how to disable fork 5) Assertions 6) Reverse a string 7) How to verify a vending machine 8) Application of UVM Barrier class, 9) Divide by 5 state machine and extract a mathematical equation to generate the next state , 10) Write a system verilog test to verify if all the clocks on the SOC have been switched off after writing 'b1 to a register , 11) Why do we need UVM agents , 12) How is UVM Scoreboard implemented, 13) Constraint address to word accessible , atleast 2 ways to do it , 14) Test Plan and functional Coverage

You have a black box which sorts 2 numbers: big and small (an ouput of a box: smallest and highest) The question has two sections: Section A: Create a system which sorts 4 numbers