Introduction to Computing MCQs with Answers
Practice important Introduction to Computing MCQs with answers and explanations.
Chapter: 97
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
Correct Answer:
A
Chapter: 97
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
Correct Answer:
A
Chapter: 97
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
Correct Answer:
A
Chapter: 97
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
Correct Answer:
A
Chapter: 98
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
Correct Answer:
A
Chapter: 98
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
Correct Answer:
A
Chapter: 98
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
Correct Answer:
A
Chapter: 98
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
Correct Answer:
A
Chapter: 98
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
Correct Answer:
A
Chapter: 98
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
Correct Answer:
A
Chapter: 98
Q1451:
Which statement best describes the termination condition in a while loop?
A. It is the negation of the condition in the while statement
B. It is the same as the condition in the while statement
C. It is set before the loop starts
D. It is always true
Correct Answer:
A
Chapter: 98
Q1452:
What happens if the termination condition of a loop is never met?
A. The loop will continue indefinitely
B. The loop will terminate immediately
C. The loop will execute only once
D. The loop will terminate with an error
Correct Answer:
A
Chapter: 98
Q1453:
In a loop, what happens during the modification step?
A. The condition of the loop is adjusted to approach the termination condition
B. The loop is initialized with a starting condition
C. The body of the loop is executed
D. The termination condition is checked
Correct Answer:
A
Chapter: 98
Q1454:
How does the while (TargetValue <= TestEntry) or (there are no more entries to be considered) termination condition work?
A. It ends the loop if the target value is less than or equal to the test entry or if the end of the list is reached
B. It starts the loop when the target value is less than or equal to the test entry
C. It modifies the test entry to reach the end of the list
D. It initializes the test entry as the first entry
Correct Answer:
A
Chapter: 98
Q1455:
Why is the termination condition in a while loop considered important?
A. It ensures that the loop will eventually stop executing
B. It determines the number of iterations of the loop
C. It sets up the loop control variable
D. It executes the body of the loop
Correct Answer:
A
Chapter: 98
Q1456:
What is the result of the loop control activities when done correctly?
A. The loop will execute the body until the termination condition is met
B. The loop will execute the body only once
C. The loop will skip the body execution
D. The loop will not terminate
Correct Answer:
A
Chapter: 99
Q1457:
What is the purpose of the FindMax() function?
A. To find the maximum number from a list
B. To sort the list in ascending order
C. To count the number of elements in the list
D. To find the minimum number from a list
Correct Answer:
A
Chapter: 99
Q1458:
In the pseudo-code FindMax(), what is initialized with the first number in the list?
A. max
B. Current
C. next value
D. last value
Correct Answer:
A
Chapter: 99
Q1459:
What does the While loop in the FindMax() function check for?
A. Whether there are more elements in the list
B. Whether the current value is greater than the maximum
C. Whether the list is sorted
D. Whether the next value is available
Correct Answer:
A
Chapter: 99
Q1460:
How does the FindMax() function update the max value?
A. By comparing it with the current value and updating if the current value is greater
B. By setting it to the next value in the list
C. By adding it to the current value
D. By removing it from the list
Correct Answer:
A