View All num of num See all Photos Dow Jones This employer has taken extra steps to respond to reviews and provide job seekers with accurate company information, photos, and reviews. Interested for your company?Learn More. www.dj.com www.dj.com Work in HR? Unlock Free Profile Overview Reviews Salaries Interviews Jobs Photos Benefits 311 Reviews 477 Salaries 68 Interviews Follow Add Review or Salary Follow Add Review or Salary Dow Jones 311 Interview Question Technology Showcase Event! Interview New York, NY Dow Jones Four Interview Questions 1. Multiple Choice - Choose a location to work. (3 min) 2. Video - Use an example to explain the lifecycle of HTTP request & response. (3 min) 3. Essay - Programming (40 min) Most people have adopted the decimal number system which has ten symbols (0,1,2,3,4,5,6,7,8,9). There are other number systems like binary, hex and octal. Your job is to convert a hex number into a musical number. What is a musical number you might ask? It’s something we invented. Keep reading. The Hex alphabet contains 16 symbols: 0,1,2,3,4,5,6,7,8,9,a,b,c,d,e,f The Musical alphabet contains 12 symbols: A,A#,B,C,C#,D,D#,E,F,F#,G,G# (# is pronounced 'sharp' so 'A#' is pronounced 'A-sharp', 'C#' is 'C-sharp' and so on) Your program should validate input (make sure input is a hex number i.e. it is in base-16) and convert it to a number represented by the musical alphabet (base-12). Your program should output the musical number OR an error string "Input is not valid Hex" if the input is not valid hex. Sample inputs & outputs: Input:9, Output:F# Input:dead, Output:BFG#GD Input:feedface, Output:F#G#C#C#C#A#AA#B ***You may write the program in any language you wish, just make a note at the top of the answer page letting us know which one you chose. 4. Video - Please explain the thought process behind your answer to the previous question. (3 min) Tags: technical, coding See more , See less 8 Answer Add Tags Flag as Inappropriate Thank you! Your feedback has been sent to the team and we'll look into it. Oops! We're sorry but your feedback didn't make it to the team. Your input is valuable to us — would you mind trying again? Send Answer Add Answers or Comments To comment on this, Sign In or Sign Up.