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Which of the following is the correct syntax to represent a request queue in a scheduling algorithm?

easy🧠 Conceptual Q3 of 15
LLD - Design — Elevator System
Which of the following is the correct syntax to represent a request queue in a scheduling algorithm?
A[45, 10, 22, 70, 5]
B{45, 10, 22, 70, 5}
C(45; 10; 22; 70; 5)
D<45, 10, 22, 70, 5>
Step-by-Step Solution
Solution:

  1. Step 1: Identify common data structure for request queue

    Request queues are typically represented as lists or arrays using square brackets.

  2. Step 2: Check syntax options

    [45, 10, 22, 70, 5] uses square brackets with commas, which is standard for lists.

  3. Final Answer:

    [45, 10, 22, 70, 5] -> Option A

  4. Quick Check:

    Request queue = list with square brackets [OK]
Quick Trick: Use square brackets for list representation [OK]
Common Mistakes:
MISTAKES
  • Using curly braces which denote sets or dictionaries
  • Using parentheses which denote tuples or function calls
  • Using angle brackets which are invalid for lists

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