Morgan Stanley Interview

Morgan Stanley came for Full Time recruitment for Software Associate in our campus.

Round 1

Online test on HackerRank/AMCAT contains 19 MCQ (DS, OS, DBMS, and Reasoning etc.)2 Coding Questions

1. Count the number of changes in LED Light when display one digit after another of a given number. (Initially all LED is off)

Given number – 082
Answer: 9
Explanation: Initially 0 has 6 LED On, then for 8 we will turn on 1 more LED, then for 2 we turn off two LEDs so 6+1+2 = 9.

2. Given an array on n integers containing numbers 1,2,3 & 4 where
1 is No work is done
2 is A work is done
3 is B work is done
4 is either A or B work is done
Find the minimum number of free days such that no same work can take place two days simultaneously.

Those who done 1 coding question complete and at least 6 MCA correct are selected for next round.

23 are shortlisted for direct interview. I was one of them.

Round 2

Face to Face Technical Interview Round (50 minutes)

1. Tell me about yourself?

2. Discussion on 2nd coding question of round 1 with better approaches.

3. Given 10 computers and 20 persons who want to use these computers, what type of scheduling you will use?

4. What if a person using a computer ask for more time in between?

5. Which type of scheduling is done in Windows 10 OS?

6. How google chrome tabs are loaded through scheduling?

7. Give a parking lot which can contain n cars at max. Each parking area is of different size. Only the car of that size can park in that area (neither smaller nor bigger).
Design a data structure with program on how you will tell the incoming cars to park at what position and also which cars you can neglect.
Example –
Park = {2,1,2,3,3,4,2,4,1} (Size of Park Area)
Cars = {1,2,5,1,2,4,2,3,2,1} (Size of Car)
Solution: Car – Index
1 – 1, 2 – 0, 5 – NA, 1 – 8, 2 – 2, 4 – 5, 2 – 6, 3 – 3, 2 – NA, 1 – NA

8. Design a Database of student, subject and marks and describe various keys and attributes.

Some Questions asked to my Friends –

1. What are Smart Pointer?

2. What starts first when computer is turned on?

3. Process state diagram with explanation?

6 were selected for Group Activity round, I was not one of them.

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