APCS Principles 24-25 Midterm review Questions

Which of the following is true of algorithms?

• Algorithms must be written in a specific programming language

• Algorithms can solve every problem

• Algorithms can be constructed using combinations of sequencing, selection, and iteration

• Algorithms always have a set of ambiguous instructions

Which data type is appropriate for storing a person's age in years?

• String

• Number

• Boolean

• Array

Which code segment results in "true" being returned if a number is odd?

• A. num % 2 == 1;

• B. num % 1 != 2;

• C. num % 1 == 1;

• D. num % 2 == 0;

Which concept does the following algorithm BEST demonstrate? Repeat for Weekdays Wake up Go to school Come home Go to bed

• Execution

• Sequencing

• Selection

• Iteration

What is the result of the expression: 17 % 4?

• 1

• 2

• 3

• 4

Given that y has a value of 10, what is the value of the expression: (y < 10) AND (y > 5)?

• True

• False

• y

• 10

Which of the following terms is accurate for the definition: a reusable block of code that performs a specific task?

• Function Call

• Variable

• Function

• Expression

Which data type is appropriate for storing a person's height in centimeters?

• String

• Number

• Boolean

• List

Which code segment results in 'true' being returned if a number is positive? Replace 'MISSING CONDITION' with the correct code segment.

• num > 0;

• num >= 0;

• num < 0;

• num <= 0;

Which of these statements correctly adds the value in numList at position i to a variable, total?

• A. total = numList[i];

• B. total = total + numList[i];

• C. total *= numList[i];

• D. total + numList[i];