AP Computer Science Principles Unit 1-4
Assessments Answers 100% Pass
What is a key characteristic of a high-level programming language?
a) Low readability
b) Directly interacts with hardware
c) Designed to be easy for humans to read and write
d) Requires extensive knowledge of machine code
✔✔c) Designed to be easy for humans to read and write
Which of the following best describes an algorithm?
a) A single line of code
b) A step-by-step procedure for solving a problem
c) A hardware component
d) A specific programming language
✔✔b) A step-by-step procedure for solving a problem
What is the purpose of a loop in programming?
a) To store data
1
,b) To execute a block of code multiple times
c) To end the program
d) To handle errors
✔✔b) To execute a block of code multiple times
How does abstraction help in programming?
a) By providing access to low-level hardware
b) By hiding complex implementation details
c) By increasing the complexity of code
d) By preventing code reuse
✔✔b) By hiding complex implementation details
What is the function of a variable in a program?
a) To execute code
b) To store data
c) To compile code
d) To design the user interface
✔✔b) To store data
2
,Why is it important to test and debug code?
a) To add more features
b) To ensure the code functions correctly and fix errors
c) To write more comments
d) To increase the program's size
✔✔b) To ensure the code functions correctly and fix errors
How does binary data representation work in computing?
a) Uses only letters
b) Uses only numbers
c) Uses only 0s and 1s
d) Uses a combination of colors
✔✔c) Uses only 0s and 1s
What is the role of a function in a program?
a) To run the entire program
b) To perform a specific task or operation
3
, c) To store large amounts of data
d) To create user interfaces
✔✔b) To perform a specific task or operation
How does a condition statement influence the flow of a program?
a) It creates new functions
b) It decides which code block to execute based on a condition
c) It loops through code
d) It stores data temporarily
✔✔b) It decides which code block to execute based on a condition
What is the purpose of using comments in code?
a) To execute the code
b) To improve code readability and understanding
c) To increase program performance
d) To encrypt the code
✔✔b) To improve code readability and understanding
4
Assessments Answers 100% Pass
What is a key characteristic of a high-level programming language?
a) Low readability
b) Directly interacts with hardware
c) Designed to be easy for humans to read and write
d) Requires extensive knowledge of machine code
✔✔c) Designed to be easy for humans to read and write
Which of the following best describes an algorithm?
a) A single line of code
b) A step-by-step procedure for solving a problem
c) A hardware component
d) A specific programming language
✔✔b) A step-by-step procedure for solving a problem
What is the purpose of a loop in programming?
a) To store data
1
,b) To execute a block of code multiple times
c) To end the program
d) To handle errors
✔✔b) To execute a block of code multiple times
How does abstraction help in programming?
a) By providing access to low-level hardware
b) By hiding complex implementation details
c) By increasing the complexity of code
d) By preventing code reuse
✔✔b) By hiding complex implementation details
What is the function of a variable in a program?
a) To execute code
b) To store data
c) To compile code
d) To design the user interface
✔✔b) To store data
2
,Why is it important to test and debug code?
a) To add more features
b) To ensure the code functions correctly and fix errors
c) To write more comments
d) To increase the program's size
✔✔b) To ensure the code functions correctly and fix errors
How does binary data representation work in computing?
a) Uses only letters
b) Uses only numbers
c) Uses only 0s and 1s
d) Uses a combination of colors
✔✔c) Uses only 0s and 1s
What is the role of a function in a program?
a) To run the entire program
b) To perform a specific task or operation
3
, c) To store large amounts of data
d) To create user interfaces
✔✔b) To perform a specific task or operation
How does a condition statement influence the flow of a program?
a) It creates new functions
b) It decides which code block to execute based on a condition
c) It loops through code
d) It stores data temporarily
✔✔b) It decides which code block to execute based on a condition
What is the purpose of using comments in code?
a) To execute the code
b) To improve code readability and understanding
c) To increase program performance
d) To encrypt the code
✔✔b) To improve code readability and understanding
4
