CSP exam review

x = 3

y = 4

print(x * y - y)

12

Which of the following is an example of abstraction in programming?

Using Variables instead of hardcoded values

def mystery(a, b):

return a + b * 2

print(mystery(2, 3))

8

In a loop that says for i in range(4):, how many times will the loop run?

4

What is the main purpose of using functions in programs?

To organize and reuse code

What is a Boolean expression?

An expression that evaluates to True or False

Which of the following is a correct logical operator

NOT

What is an event-driven program

A program that responds to the user's interactions

What does the modulus operator (%) do?

Returns the remainder

Which statement properly defines a list in Python?

List [” apple”, “banana”, “oranges”]

What is the purpose of an algorithm?

Solve a problem or complete a task

Which of these sorting algorithms is most efficient for large data sets?

Merge sort

What is the best reason to use data visualization?

To easily identify patterns or trends

Which of these data types is used to represent text in most programming languages?

String

What does it mean to traverse a list?

Go through each item one by one

What is a good reason to compress data?

To reduce the file size and transmission time

3

An algorithm has a run time of O(n^2). What does this mean?

The run time grows quadractically with the size of input

Which tool is used to visually represent an algorithms!

Flowchart

What is metadata?

Data about data

What does DNS stand for

Domain Name System

What is an IP address used for?

To identify devices on a network

Which protocol is responsible for reliable data transmission on the internet?

TCP

What is phishing?

An attack on Steel's info via a fake email/websites

What does HTTP stand for?

hypertext transfer protocol

What is encryption?

Making data unreadable without a key

Which of the following helps ensure data integrity during transmission?

Checksum

What is a digital divide?

A gap between people with and without access to tech

What is a packet switching?

Breaking data into smaller chunks for transmission m

Which of the following best describes a DDoS attack?

Multiple systems are overwhelming a server with traffic

What is the purpose of pseudocode?

To describe a program’s logic without syntax

Which of the following is a computing innovation?

A smart watch

What is the benefit of open-source software?

Anyone can modify or improve it

Which of these is an example of digital divide?

A student in the U.S. does not have access to Wi-Fi

What is a citizen science project?

Science work done by the public using computing tools

What is pair programming

Two people working on two seperate programs

What does scalability in a computing system refer do?

Its ability to handle growth or increased demanded

Which is a bias that can arise from computer models?

Skewed outcomes due to limited data

What is an iteration in programming?

A single repetition of a process or loop

What does an event handler do?

Runs code in response to an event like a click