Introduction to Computing MCQs with Answers
Practice important Introduction to Computing MCQs with answers and explanations.
Multiple Choice Questions
Q1441: In the example while (the pH level is greater than 4): add a drop of sulfuric acid, what determines the number of iterations?
- A: The pH level
- B: The number of drops of acid added
- C: The loop control structure
- D: The body of the loop
View Answer
A
Q1442: Why is the control of a loop considered significant despite its seeming minor importance?
- A: Because it is more error-prone and requires careful attention
- B: Because it performs the main task of the algorithm
- C: Because it simplifies the body of the loop
- D: Because it eliminates the need for complex algorithms
View Answer
A
Q1443: What is the advantage of using a loop structure over manually repeating instructions for a task?
- A: It handles unknown quantities efficiently and reduces manual code
- B: It requires less computational resources
- C: It makes the code less readable and complex
- D: It avoids the need for any control structures
View Answer
A
Q1444: Which of the following best describes the while loop's execution cycle?
- A: Check the condition, execute the body, check the condition again
- B: Execute the body, check the condition, repeat the body
- C: Execute the body, skip to the next iteration, check the condition
- D: Check the condition, execute the body once, end the loop
View Answer
A
Q1445: What are the three main activities of loop control?
- A: Initialize, test, modify
- B: Start, check, execute
- C: Set, loop, end
- D: Begin, validate, finish
View Answer
A
Q1446: In a while loop, what does the test activity do?
- A: It causes the loop to terminate based on a condition
- B: It executes the body of the loop
- C: It initializes the starting condition
- D: It modifies the loop control variable
View Answer
A
Q1447: What is the termination condition in the while (the pH level is greater than 4): add a drop of sulfuric acid loop?
- A: The pH level is not greater than 4
- B: The pH level is greater than 4
- C: Adding a drop of sulfuric acid
- D: The list is empty
View Answer
A
Q1448: What does the initialization step in a loop control do?
- A: It establishes the starting condition for the loop
- B: It modifies the loop control variable
- C: It checks if the termination condition is met
- D: It executes the body of the loop
View Answer
A
Q1449: How does the modification step in a loop control function?
- A: It moves the current condition towards the termination condition
- B: It sets up the initial condition for the loop
- C: It checks the loop termination condition
- D: It executes the loop body
View Answer
A
Q1450: In the while loop, what is the role of the modification step?
- A: To move the position of interest toward the end of the list
- B: To initialize the loop control variable
- C: To check if the loop condition is met
- D: To execute the body of the loop
View Answer
A