TS PGECET 2026 Computer Science and Information Technology (CS) Question Paper: Download Answer Key with Solutions PDF

TS PGECET Questions

• 1.

  What is a primary key in a relational database?

  • A unique identifier for each record in a table
    
  • A key used for sorting records
    
  • A key linking two tables
    
  • A key for encrypting data
  View Solution

  ---

• 2.

  Which algorithm strategy is followed by Kruskal's algorithm?

  • Divide and conquer
    
  • Dynamic programming
    
  • Greedy
    
  • Branch and bound
    
  View Solution

  ---

• 3.

  What is normalization in database design?

  • Process of organizing data to eliminate redundancy
    
  • Process of indexing tables for faster queries
    
  • Process of encrypting database records
    
  • Process of backing up database files
  View Solution

  ---

• 4.

  Which data structure is used in the implementation of recursion?

  • Stack
    
  • Queue
    
  • Linked List
    
  • Array
    
  View Solution

  ---

• 5.

  What is the purpose of the subnet mask in IP addressing?

  • To separate network and host portions of an IP address
    
  • To encrypt data packets
    
  • To assign IP addresses dynamically
    
  • To route packets between networks
  View Solution

  ---

• 6.

  What is the time complexity of inserting an element into a balanced binary search tree?

  • $O(\log n)$
    
  • $O(n)$
    
  • $O(n \log n)$
    
  • $O(1)$
  View Solution