NSCT – Algorithms & Flow Control MCQs 20 min Score: 0 Attempted: 0/20 Subscribe 1. . An algorithm is: (A) A database backup process (B) A type of encryption (C) A data compression method (D) A step-by-step procedure to solve a problem or perform a taskShow All Answers 2. . Characteristics of a good algorithm include: (A) Only encryption (B) Finiteness, definiteness, input, output, and effectiveness (C) Only compression (D) Backup only 3. . Finiteness in an algorithm means: (A) Backup only (B) Encrypting data (C) Compressing files (D) The algorithm must terminate after a finite number of steps 4. . Definiteness in an algorithm means: (A) Compressing files (B) Encrypting files (C) Each step of the algorithm must be precisely defined (D) Backup only 5. . Input in an algorithm refers to: (A) Backup files (B) Encryption key (C) Compressed data (D) The data supplied to the algorithm to process 6. . Output in an algorithm refers to: (A) Backup files (B) Encrypted data (C) Compressed files (D) The result produced by the algorithm after processing input 7. . Effectiveness in an algorithm means: (A) Encrypting data only (B) Each step is basic enough to be performed correctly in a finite amount of time (C) Compressing data only (D) Backup only 8. . Flowchart is: (A) Backup table (B) Encrypted table (C) Compressed file (D) A graphical representation of an algorithm or process 9. . Symbols used in flowcharts include: (A) Oval (Start/End), Rectangle (Process), Diamond (Decision), Parallelogram (Input/Output) (B) Only encryption symbols (C) Only compression symbols (D) Backup symbols only 10. . Sequential control in flow control means: (A) Executing statements one after another in order (B) Encrypting data sequentially (C) Compressing files sequentially (D) Backup only 11. . Selection control in flow control means: (A) Compressing conditionally (B) Encrypting conditionally (C) Making decisions and executing statements based on conditions (D) Backup only 12. . Iteration (looping) in flow control means: (A) Encrypting repeatedly (B) Repeating a set of statements until a condition is met (C) Compressing repeatedly (D) Backup only 13. . Types of loops include: (A) For loop, while loop, and do-while loop (B) Only encryption loops (C) Only compression loops (D) Backup loops only 14. . Nested control structures are: (A) Backup only (B) Encryption inside compression (C) Compression inside encryption (D) Using one control structure inside another (e.g., loop inside a loop) 15. . Pseudocode is: (A) Encrypted code (B) A high-level description of an algorithm using structured language (C) Compressed code (D) Backup code 16. . Advantages of using flowcharts include: (A) Only encryption (B) Easy understanding, communication, debugging, and documentation of algorithms (C) Only compression (D) Backup only 17. . Decision-making in algorithms involves: (A) Compressing files conditionally (B) Encrypting files conditionally (C) Using conditional statements like if-else or switch to choose actions (D) Backup only 18. . Stepwise refinement in algorithm design means: (A) Backup only (B) Encrypting data stepwise (C) Compressing data stepwise (D) Breaking a problem into smaller subproblems and solving them step by step 19. . Debugging an algorithm means: (A) Detecting and correcting errors in the algorithm or flowchart (B) Encrypting algorithm (C) Compressing algorithm (D) Backup only 20. . The main purpose of algorithms and flow control is to: (A) Encrypt data (B) Develop structured, efficient, and clear procedures to solve problems computationally (C) Compress files (D) Backup tables
