Online Privacy and Targeted Advertising

What is a consequence of online activities that can lead to users reinforcing their existing beliefs about a topic?

Being exposed to a wide range of opinions
Encountering echo chambers (correct)
Having limited access to information
Encountering advertisements tailored to their interests

What is the primary purpose of cookies on a website?

To run programs on a user's computer
To store information about a user for customized experiences (correct)
To store malware on a user's computer
To track a user's browsing history

What is the primary risk of using the same password for multiple applications?

Increased security from using a single, strong password
Password guessing becomes easier
Account compromise if one site is hacked (correct)
Password fatigue from remembering multiple passwords

What is the primary purpose of third-party cookies?

To enable tracking of user behavior across multiple websites (D) Signup and view all the answers

What is a key principle for minimizing digital risks when responding to emails?

Not clicking on suspicious links or download attachments (B) Signup and view all the answers

What is a key feature of network policies?

Locking screens when devices are not in use (B) Signup and view all the answers

What has been a significant impact of computing on society?

Immediate access to events and information (A) Signup and view all the answers

What should passwords ideally be, according to best practices?

Complex and unique for every application (B) Signup and view all the answers

What is the primary purpose of curly brackets `{}` in Java?

To group code together in a block (D) Signup and view all the answers

Which of the following data types can hold a single character?

char (A) Signup and view all the answers

What is the purpose of white space in Java code?

To make the code more readable (B) Signup and view all the answers

What is the purpose of meaningful variable names?

To help keep track of the purpose of variables (C) Signup and view all the answers

What is the purpose of a semicolon `;` in Java?

To separate statements (A) Signup and view all the answers

What is the purpose of a multiple line comment in Java?

To comment out multiple lines of code (A) Signup and view all the answers

What is the primary purpose of a conditional in Java?

To make decisions based on conditions (A) Signup and view all the answers

What is the purpose of indenting in Java?

To make the code more readable (A) Signup and view all the answers

What is the primary purpose of an else statement?

To specify an alternative action when the if condition is false (D) Signup and view all the answers

What is the main difference between a switch statement and an if-else statement?

A switch statement is used for a single condition with multiple possible values (D) Signup and view all the answers

What is the purpose of the break statement in a switch structure?

To skip to the end of the switch structure and execute the next line of code (C) Signup and view all the answers

What is the primary purpose of a for loop?

To execute a block of code a set number of times (C) Signup and view all the answers

What is the purpose of the default statement in a switch structure?

To specify an alternative action when all cases are false (D) Signup and view all the answers

What is the purpose of an if-else if structure?

To check multiple conditions and execute a block of code only when one condition is true (B) Signup and view all the answers

What is the purpose of a code block in an if statement?

To execute a block of code only when a condition is true (C) Signup and view all the answers

What is the primary purpose of iteration in programming?

To repeat a block of code until a condition is met (A) Signup and view all the answers

What is the purpose of a debugger in a program?

To locate the runtime error and point to the line where the error is (B) Signup and view all the answers

What type of error occurs when a program compiles and runs but fails to complete?

Runtime Error (A) Signup and view all the answers

What is the purpose of a diamond in a flow chart?

To show decisions that must be made or questions that must be answered (B) Signup and view all the answers

What is a characteristic of a loop in a program?

It contains at least one decision diamond (B) Signup and view all the answers

What is the purpose of a rectangle in a flow chart?

To show actions, activities, and steps in a program sequence (A) Signup and view all the answers

What is an example of a runtime error?

Dividing by zero (B) Signup and view all the answers

What is the purpose of arrows in a flow chart?

To show the direction of flow in a program and the outcome of a decision (A) Signup and view all the answers

What is a characteristic of a logic error?

The program runs without crashing but doesn't do what it's intended to do (D) Signup and view all the answers

What is the main purpose of the condition statement in a for loop?

To determine when to stop the loop (D) Signup and view all the answers

What happens if the step expression in a for loop increases in the wrong direction?

The loop will run infinitely (D) Signup and view all the answers

What is the purpose of the initialization expression in a for loop?

To initialize the loop variable (D) Signup and view all the answers

What is the difference between a while loop and a do-while loop?

The condition is checked before the body in a while loop (D) Signup and view all the answers

What happens if the condition in a while loop is false to begin with?

The loop will never run (C) Signup and view all the answers

What is the purpose of the body in a for loop?

To execute a set of statements repeatedly (D) Signup and view all the answers

What happens if the step expression is missing in a for loop?

The loop will run indefinitely (D) Signup and view all the answers

Where is the step expression typically located in a while loop?

In the body of the loop (C) Signup and view all the answers